package com.ruoyi.common.utils.poi;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.lang.reflect.ParameterizedType;
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import java.math.BigDecimal;
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import java.text.DecimalFormat;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.Comparator;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.UUID;
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import java.util.stream.Collectors;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.commons.lang3.ArrayUtils;
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import org.apache.commons.lang3.RegExUtils;
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import org.apache.commons.lang3.reflect.FieldUtils;
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import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
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import org.apache.poi.hssf.usermodel.HSSFPicture;
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import org.apache.poi.hssf.usermodel.HSSFPictureData;
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import org.apache.poi.hssf.usermodel.HSSFShape;
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import org.apache.poi.hssf.usermodel.HSSFSheet;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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import org.apache.poi.ooxml.POIXMLDocumentPart;
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import org.apache.poi.ss.usermodel.*;
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import org.apache.poi.ss.util.CellRangeAddress;
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import org.apache.poi.ss.util.CellRangeAddressList;
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import org.apache.poi.util.IOUtils;
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import org.apache.poi.xssf.streaming.SXSSFWorkbook;
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import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
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import org.apache.poi.xssf.usermodel.XSSFDataValidation;
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import org.apache.poi.xssf.usermodel.XSSFDrawing;
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import org.apache.poi.xssf.usermodel.XSSFPicture;
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import org.apache.poi.xssf.usermodel.XSSFShape;
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import org.apache.poi.xssf.usermodel.XSSFSheet;
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import org.apache.poi.xssf.usermodel.XSSFWorkbook;
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import org.openxmlformats.schemas.drawingml.x2006.spreadsheetDrawing.CTMarker;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.ruoyi.common.annotation.Excel;
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import com.ruoyi.common.annotation.Excel.ColumnType;
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import com.ruoyi.common.annotation.Excel.Type;
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import com.ruoyi.common.annotation.Excels;
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import com.ruoyi.common.config.RuoYiConfig;
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import com.ruoyi.common.core.domain.AjaxResult;
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import com.ruoyi.common.core.text.Convert;
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import com.ruoyi.common.exception.UtilException;
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import com.ruoyi.common.utils.DateUtils;
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import com.ruoyi.common.utils.DictUtils;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.common.utils.file.FileTypeUtils;
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import com.ruoyi.common.utils.file.FileUtils;
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import com.ruoyi.common.utils.file.ImageUtils;
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import com.ruoyi.common.utils.reflect.ReflectUtils;
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/**
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* Excel相关处理
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*
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* @author ruoyi
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*/
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public class ExcelUtil<T> {
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private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
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public static final String FORMULA_REGEX_STR = "=|-|\\+|@";
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public static final String[] FORMULA_STR = {"=", "-", "+", "@"};
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/**
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* Excel sheet最大行数，默认65536
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*/
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public static final int sheetSize = 65536;
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/**
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* 工作表名称
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*/
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private String sheetName;
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/**
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* 导出类型（EXPORT:导出数据；IMPORT：导入模板）
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*/
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private Type type;
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/**
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* 工作薄对象
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*/
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private Workbook wb;
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/**
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* 工作表对象
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*/
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private Sheet sheet;
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/**
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* 样式列表
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*/
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private Map<String, CellStyle> styles;
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/**
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* 导入导出数据列表
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*/
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private List<T> list;
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/**
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* 注解列表
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*/
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private List<Object[]> fields;
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/**
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* 当前行号
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*/
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private int rownum;
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/**
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* 标题
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*/
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private String title;
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/**
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* 最大高度
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*/
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private short maxHeight;
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/**
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* 合并后最后行数
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*/
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private int subMergedLastRowNum = 0;
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/**
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* 合并后开始行数
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*/
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private int subMergedFirstRowNum = 1;
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/**
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* 对象的子列表方法
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*/
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private Method subMethod;
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/**
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* 对象的子列表属性
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*/
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private List<Field> subFields;
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/**
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* 统计列表
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*/
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private Map<Integer, Double> statistics = new HashMap<Integer, Double>();
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/**
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* 数字格式
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*/
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private static final DecimalFormat DOUBLE_FORMAT = new DecimalFormat("######0.00");
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/**
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* 实体对象
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*/
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public Class<T> clazz;
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/**
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* 需要排除列属性
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*/
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public String[] excludeFields;
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public ExcelUtil(Class<T> clazz) {
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this.clazz = clazz;
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}
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/**
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* 隐藏Excel中列属性
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*
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* @param fields 列属性名 示例[单个"name"/多个"id","name"]
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* @throws Exception
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*/
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public void hideColumn(String... fields) {
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this.excludeFields = fields;
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}
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public void init(List<T> list, String sheetName, String title, Type type) {
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if (list == null) {
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list = new ArrayList<T>();
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}
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this.list = list;
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this.sheetName = sheetName;
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this.type = type;
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this.title = title;
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createExcelField();
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createWorkbook();
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createTitle();
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createSubHead();
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}
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/**
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* 创建excel第一行标题
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*/
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public void createTitle() {
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if (StringUtils.isNotEmpty(title)) {
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subMergedFirstRowNum++;
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subMergedLastRowNum++;
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int titleLastCol = this.fields.size() - 1;
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if (isSubList()) {
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titleLastCol = titleLastCol + subFields.size() - 1;
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}
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Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0);
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titleRow.setHeightInPoints(30);
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Cell titleCell = titleRow.createCell(0);
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titleCell.setCellStyle(styles.get("title"));
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titleCell.setCellValue(title);
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sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), titleRow.getRowNum(), titleLastCol));
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}
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}
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/**
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* 创建对象的子列表名称
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*/
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public void createSubHead() {
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if (isSubList()) {
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subMergedFirstRowNum++;
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subMergedLastRowNum++;
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Row subRow = sheet.createRow(rownum);
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int excelNum = 0;
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for (Object[] objects : fields) {
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Excel attr = (Excel) objects[1];
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Cell headCell1 = subRow.createCell(excelNum);
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headCell1.setCellValue(attr.name());
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headCell1.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
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excelNum++;
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}
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int headFirstRow = excelNum - 1;
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int headLastRow = headFirstRow + subFields.size() - 1;
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if (headLastRow > headFirstRow) {
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sheet.addMergedRegion(new CellRangeAddress(rownum, rownum, headFirstRow, headLastRow));
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}
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rownum++;
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}
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}
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/**
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* 对excel表单默认第一个索引名转换成list
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*
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* @param is 输入流
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* @return 转换后集合
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*/
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public List<T> importExcel(InputStream is) throws Exception {
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return importExcel(is, 0);
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}
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/**
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* 对excel表单默认第一个索引名转换成list
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*
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* @param is 输入流
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* @param titleNum 标题占用行数
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* @return 转换后集合
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*/
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public List<T> importExcel(InputStream is, int titleNum) throws Exception {
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return importExcel(StringUtils.EMPTY, is, titleNum);
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}
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/**
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* 对excel表单指定表格索引名转换成list
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*
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* @param sheetName 表格索引名
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* @param titleNum 标题占用行数
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* @param is 输入流
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* @return 转换后集合
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*/
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public List<T> importExcel(String sheetName, InputStream is, int titleNum) throws Exception {
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this.type = Type.IMPORT;
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this.wb = WorkbookFactory.create(is);
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List<T> list = new ArrayList<T>();
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// 如果指定sheet名,则取指定sheet中的内容 否则默认指向第1个sheet
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Sheet sheet = StringUtils.isNotEmpty(sheetName) ? wb.getSheet(sheetName) : wb.getSheetAt(0);
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if (sheet == null) {
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throw new IOException("文件sheet不存在");
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}
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boolean isXSSFWorkbook = !(wb instanceof HSSFWorkbook);
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Map<String, PictureData> pictures;
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if (isXSSFWorkbook) {
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pictures = getSheetPictures07((XSSFSheet) sheet, (XSSFWorkbook) wb);
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} else {
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pictures = getSheetPictures03((HSSFSheet) sheet, (HSSFWorkbook) wb);
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}
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// 获取最后一个非空行的行下标，比如总行数为n，则返回的为n-1
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int rows = sheet.getLastRowNum();
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if (rows > 0) {
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// 定义一个map用于存放excel列的序号和field.
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Map<String, Integer> cellMap = new HashMap<String, Integer>();
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// 获取表头
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Row heard = sheet.getRow(titleNum);
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for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++) {
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Cell cell = heard.getCell(i);
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if (StringUtils.isNotNull(cell)) {
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String value = this.getCellValue(heard, i).toString();
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cellMap.put(value, i);
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} else {
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cellMap.put(null, i);
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}
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}
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// 有数据时才处理 得到类的所有field.
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List<Object[]> fields = this.getFields();
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Map<Integer, Object[]> fieldsMap = new HashMap<Integer, Object[]>();
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for (Object[] objects : fields) {
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Excel attr = (Excel) objects[1];
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Integer column = cellMap.get(attr.name());
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if (column != null) {
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fieldsMap.put(column, objects);
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}
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}
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for (int i = titleNum + 1; i <= rows; i++) {
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// 从第2行开始取数据,默认第一行是表头.
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Row row = sheet.getRow(i);
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// 判断当前行是否是空行
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if (isRowEmpty(row)) {
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continue;
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}
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T entity = null;
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for (Map.Entry<Integer, Object[]> entry : fieldsMap.entrySet()) {
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Object val = this.getCellValue(row, entry.getKey());
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// 如果不存在实例则新建.
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entity = (entity == null ? clazz.newInstance() : entity);
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// 从map中得到对应列的field.
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Field field = (Field) entry.getValue()[0];
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Excel attr = (Excel) entry.getValue()[1];
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// 取得类型,并根据对象类型设置值.
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Class<?> fieldType = field.getType();
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if (String.class == fieldType) {
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String s = Convert.toStr(val);
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if (StringUtils.endsWith(s, ".0")) {
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val = StringUtils.substringBefore(s, ".0");
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} else {
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String dateFormat = field.getAnnotation(Excel.class).dateFormat();
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if (StringUtils.isNotEmpty(dateFormat)) {
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val = parseDateToStr(dateFormat, val);
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} else {
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val = Convert.toStr(val);
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}
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}
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} else if ((Integer.TYPE == fieldType || Integer.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val))) {
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val = Convert.toInt(val);
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} else if ((Long.TYPE == fieldType || Long.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val))) {
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val = Convert.toLong(val);
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} else if (Double.TYPE == fieldType || Double.class == fieldType) {
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val = Convert.toDouble(val);
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} else if (Float.TYPE == fieldType || Float.class == fieldType) {
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val = Convert.toFloat(val);
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} else if (BigDecimal.class == fieldType) {
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val = Convert.toBigDecimal(val);
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} else if (Date.class == fieldType) {
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if (val instanceof String) {
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val = DateUtils.parseDate(val);
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} else if (val instanceof Double) {
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val = DateUtil.getJavaDate((Double) val);
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}
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} else if (Boolean.TYPE == fieldType || Boolean.class == fieldType) {
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val = Convert.toBool(val, false);
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}
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if (StringUtils.isNotNull(fieldType)) {
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String propertyName = field.getName();
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if (StringUtils.isNotEmpty(attr.targetAttr())) {
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propertyName = field.getName() + "." + attr.targetAttr();
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} else if (StringUtils.isNotEmpty(attr.readConverterExp())) {
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val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator());
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} else if (StringUtils.isNotEmpty(attr.dictType())) {
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val = reverseDictByExp(Convert.toStr(val), attr.dictType(), attr.separator());
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} else if (!attr.handler().equals(ExcelHandlerAdapter.class)) {
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val = dataFormatHandlerAdapter(val, attr);
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} else if (ColumnType.IMAGE == attr.cellType() && StringUtils.isNotEmpty(pictures)) {
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PictureData image = pictures.get(row.getRowNum() + "_" + entry.getKey());
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if (image == null) {
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val = "";
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} else {
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byte[] data = image.getData();
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val = FileUtils.writeImportBytes(data);
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}
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}
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ReflectUtils.invokeSetter(entity, propertyName, val);
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}
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}
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list.add(entity);
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}
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}
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return list;
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}
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/**
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* 对list数据源将其里面的数据导入到excel表单
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*
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* @param list 导出数据集合
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* @param sheetName 工作表的名称
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* @return 结果
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*/
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public AjaxResult exportExcel(List<T> list, String sheetName) {
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return exportExcel(list, sheetName, StringUtils.EMPTY);
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}
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/**
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* 对list数据源将其里面的数据导入到excel表单
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*
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* @param list 导出数据集合
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* @param sheetName 工作表的名称
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* @param title 标题
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* @return 结果
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*/
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public AjaxResult exportExcel(List<T> list, String sheetName, String title) {
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this.init(list, sheetName, title, Type.EXPORT);
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return exportExcel();
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}
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/**
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* 对list数据源将其里面的数据导入到excel表单
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*
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* @param response 返回数据
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* @param list 导出数据集合
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* @param sheetName 工作表的名称
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* @return 结果
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*/
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public void exportExcel(HttpServletResponse response, List<T> list, String sheetName) {
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exportExcel(response, list, sheetName, StringUtils.EMPTY);
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}
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/**
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* 对list数据源将其里面的数据导入到excel表单
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*
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* @param response 返回数据
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* @param list 导出数据集合
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* @param sheetName 工作表的名称
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* @param title 标题
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* @return 结果
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*/
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public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title) {
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response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
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response.setCharacterEncoding("utf-8");
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this.init(list, sheetName, title, Type.EXPORT);
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exportExcel(response);
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}
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/**
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* 对list数据源将其里面的数据导入到excel表单
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*
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* @param sheetName 工作表的名称
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* @return 结果
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*/
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public AjaxResult importTemplateExcel(String sheetName) {
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return importTemplateExcel(sheetName, StringUtils.EMPTY);
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}
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/**
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* 对list数据源将其里面的数据导入到excel表单
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*
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* @param sheetName 工作表的名称
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* @param title 标题
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* @return 结果
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*/
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public AjaxResult importTemplateExcel(String sheetName, String title) {
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this.init(null, sheetName, title, Type.IMPORT);
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return exportExcel();
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}
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/**
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* 对list数据源将其里面的数据导入到excel表单
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*
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* @param sheetName 工作表的名称
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* @return 结果
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*/
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public void importTemplateExcel(HttpServletResponse response, String sheetName) {
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importTemplateExcel(response, sheetName, StringUtils.EMPTY);
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}
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/**
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* 对list数据源将其里面的数据导入到excel表单
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*
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* @param sheetName 工作表的名称
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* @param title 标题
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* @return 结果
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*/
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public void importTemplateExcel(HttpServletResponse response, String sheetName, String title) {
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response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
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response.setCharacterEncoding("utf-8");
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this.init(null, sheetName, title, Type.IMPORT);
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exportExcel(response);
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}
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/**
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* 对list数据源将其里面的数据导入到excel表单
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*
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* @return 结果
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*/
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public void exportExcel(HttpServletResponse response) {
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try {
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writeSheet();
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wb.write(response.getOutputStream());
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} catch (Exception e) {
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log.error("导出Excel异常{}", e.getMessage());
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} finally {
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IOUtils.closeQuietly(wb);
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}
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}
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/**
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* 对list数据源将其里面的数据导入到excel表单
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*
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* @return 结果
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*/
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public AjaxResult exportExcel() {
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OutputStream out = null;
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try {
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writeSheet();
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String filename = encodingFilename(sheetName);
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out = new FileOutputStream(getAbsoluteFile(filename));
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wb.write(out);
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return AjaxResult.success(filename);
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} catch (Exception e) {
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log.error("导出Excel异常{}", e.getMessage());
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throw new UtilException("导出Excel失败，请联系网站管理员！");
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} finally {
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IOUtils.closeQuietly(wb);
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IOUtils.closeQuietly(out);
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}
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}
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/**
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* 创建写入数据到Sheet
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*/
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public void writeSheet() {
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// 取出一共有多少个sheet.
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int sheetNo = Math.max(1, (int) Math.ceil(list.size() * 1.0 / sheetSize));
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for (int index = 0; index < sheetNo; index++) {
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createSheet(sheetNo, index);
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// 产生一行
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Row row = sheet.createRow(rownum);
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int column = 0;
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// 写入各个字段的列头名称
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for (Object[] os : fields) {
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Field field = (Field) os[0];
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Excel excel = (Excel) os[1];
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if (Collection.class.isAssignableFrom(field.getType())) {
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for (Field subField : subFields) {
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Excel subExcel = subField.getAnnotation(Excel.class);
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this.createHeadCell(subExcel, row, column++);
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}
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} else {
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this.createHeadCell(excel, row, column++);
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}
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}
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if (Type.EXPORT.equals(type)) {
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fillExcelData(index, row);
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addStatisticsRow();
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}
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}
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}
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/**
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* 填充excel数据
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*
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* @param index 序号
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* @param row 单元格行
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*/
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@SuppressWarnings("unchecked")
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public void fillExcelData(int index, Row row) {
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int startNo = index * sheetSize;
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int endNo = Math.min(startNo + sheetSize, list.size());
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int rowNo = (1 + rownum) - startNo;
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for (int i = startNo; i < endNo; i++) {
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rowNo = isSubList() ? (i > 1 ? rowNo + 1 : rowNo + i) : i + 1 + rownum - startNo;
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row = sheet.createRow(rowNo);
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// 得到导出对象.
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T vo = (T) list.get(i);
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Collection<?> subList = null;
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if (isSubList()) {
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if (isSubListValue(vo)) {
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subList = getListCellValue(vo);
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subMergedLastRowNum = subMergedLastRowNum + subList.size();
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} else {
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subMergedFirstRowNum++;
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subMergedLastRowNum++;
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}
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}
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int column = 0;
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for (Object[] os : fields) {
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Field field = (Field) os[0];
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Excel excel = (Excel) os[1];
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if (Collection.class.isAssignableFrom(field.getType()) && StringUtils.isNotNull(subList)) {
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boolean subFirst = false;
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for (Object obj : subList) {
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if (subFirst) {
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rowNo++;
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row = sheet.createRow(rowNo);
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}
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List<Field> subFields = FieldUtils.getFieldsListWithAnnotation(obj.getClass(), Excel.class);
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int subIndex = 0;
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for (Field subField : subFields) {
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if (subField.isAnnotationPresent(Excel.class)) {
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subField.setAccessible(true);
|
Excel attr = subField.getAnnotation(Excel.class);
|
this.addCell(attr, row, (T) obj, subField, column + subIndex);
|
}
|
subIndex++;
|
}
|
subFirst = true;
|
}
|
this.subMergedFirstRowNum = this.subMergedFirstRowNum + subList.size();
|
} else {
|
this.addCell(excel, row, vo, field, column++);
|
}
|
}
|
}
|
}
|
|
/**
|
* 创建表格样式
|
*
|
* @param wb 工作薄对象
|
* @return 样式列表
|
*/
|
private Map<String, CellStyle> createStyles(Workbook wb) {
|
// 写入各条记录,每条记录对应excel表中的一行
|
Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
|
CellStyle style = wb.createCellStyle();
|
style.setAlignment(HorizontalAlignment.CENTER);
|
style.setVerticalAlignment(VerticalAlignment.CENTER);
|
Font titleFont = wb.createFont();
|
titleFont.setFontName("Arial");
|
titleFont.setFontHeightInPoints((short) 16);
|
titleFont.setBold(true);
|
style.setFont(titleFont);
|
styles.put("title", style);
|
|
style = wb.createCellStyle();
|
style.setAlignment(HorizontalAlignment.CENTER);
|
style.setVerticalAlignment(VerticalAlignment.CENTER);
|
style.setBorderRight(BorderStyle.THIN);
|
style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
style.setBorderLeft(BorderStyle.THIN);
|
style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
style.setBorderTop(BorderStyle.THIN);
|
style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
style.setBorderBottom(BorderStyle.THIN);
|
style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
Font dataFont = wb.createFont();
|
dataFont.setFontName("Arial");
|
dataFont.setFontHeightInPoints((short) 10);
|
style.setFont(dataFont);
|
DataFormat format = wb.createDataFormat();
|
style.setDataFormat(format.getFormat("@"));//设置文本格式
|
styles.put("data", style);
|
|
style = wb.createCellStyle();
|
style.setAlignment(HorizontalAlignment.CENTER);
|
style.setVerticalAlignment(VerticalAlignment.CENTER);
|
Font totalFont = wb.createFont();
|
totalFont.setFontName("Arial");
|
totalFont.setFontHeightInPoints((short) 10);
|
style.setFont(totalFont);
|
styles.put("total", style);
|
|
styles.putAll(annotationHeaderStyles(wb, styles));
|
|
styles.putAll(annotationDataStyles(wb));
|
|
return styles;
|
}
|
|
/**
|
* 根据Excel注解创建表格头样式
|
*
|
* @param wb 工作薄对象
|
* @return 自定义样式列表
|
*/
|
private Map<String, CellStyle> annotationHeaderStyles(Workbook wb, Map<String, CellStyle> styles) {
|
Map<String, CellStyle> headerStyles = new HashMap<String, CellStyle>();
|
for (Object[] os : fields) {
|
Excel excel = (Excel) os[1];
|
String key = StringUtils.format("header_{}_{}", excel.headerColor(), excel.headerBackgroundColor());
|
if (!headerStyles.containsKey(key)) {
|
CellStyle style = wb.createCellStyle();
|
style.cloneStyleFrom(styles.get("data"));
|
style.setAlignment(HorizontalAlignment.CENTER);
|
style.setVerticalAlignment(VerticalAlignment.CENTER);
|
style.setFillForegroundColor(excel.headerBackgroundColor().index);
|
style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
|
Font headerFont = wb.createFont();
|
headerFont.setFontName("Arial");
|
headerFont.setFontHeightInPoints((short) 10);
|
headerFont.setBold(true);
|
headerFont.setColor(excel.headerColor().index);
|
style.setFont(headerFont);
|
headerStyles.put(key, style);
|
}
|
}
|
return headerStyles;
|
}
|
|
/**
|
* 根据Excel注解创建表格列样式
|
*
|
* @param wb 工作薄对象
|
* @return 自定义样式列表
|
*/
|
private Map<String, CellStyle> annotationDataStyles(Workbook wb) {
|
Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
|
for (Object[] os : fields) {
|
Excel excel = (Excel) os[1];
|
String key = StringUtils.format("data_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor());
|
if (!styles.containsKey(key)) {
|
CellStyle style = wb.createCellStyle();
|
style.setAlignment(excel.align());
|
style.setVerticalAlignment(VerticalAlignment.CENTER);
|
style.setBorderRight(BorderStyle.THIN);
|
style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
style.setBorderLeft(BorderStyle.THIN);
|
style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
style.setBorderTop(BorderStyle.THIN);
|
style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
style.setBorderBottom(BorderStyle.THIN);
|
style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
|
style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
|
style.setFillForegroundColor(excel.backgroundColor().getIndex());
|
Font dataFont = wb.createFont();
|
dataFont.setFontName("Arial");
|
dataFont.setFontHeightInPoints((short) 10);
|
dataFont.setColor(excel.color().index);
|
style.setFont(dataFont);
|
styles.put(key, style);
|
}
|
}
|
return styles;
|
}
|
|
/**
|
* 创建单元格
|
*/
|
public Cell createHeadCell(Excel attr, Row row, int column) {
|
// 创建列
|
Cell cell = row.createCell(column);
|
// 写入列信息
|
cell.setCellValue(attr.name());
|
setDataValidation(attr, row, column);
|
cell.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
|
if (isSubList()) {
|
// 填充默认样式，防止合并单元格样式失效
|
sheet.setDefaultColumnStyle(column, styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
|
if (attr.needMerge()) {
|
sheet.addMergedRegion(new CellRangeAddress(rownum - 1, rownum, column, column));
|
}
|
}
|
return cell;
|
}
|
|
/**
|
* 设置单元格信息
|
*
|
* @param value 单元格值
|
* @param attr 注解相关
|
* @param cell 单元格信息
|
*/
|
public void setCellVo(Object value, Excel attr, Cell cell) {
|
if (ColumnType.STRING == attr.cellType()) {
|
String cellValue = Convert.toStr(value);
|
// 对于任何以表达式触发字符 =-+@开头的单元格，直接使用tab字符作为前缀，防止CSV注入。
|
if (StringUtils.startsWithAny(cellValue, FORMULA_STR)) {
|
cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");
|
}
|
if (value instanceof Collection && StringUtils.equals("[]", cellValue)) {
|
cellValue = StringUtils.EMPTY;
|
}
|
cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
|
} else if (ColumnType.NUMERIC == attr.cellType()) {
|
if (StringUtils.isNotNull(value)) {
|
cell.setCellValue(StringUtils.contains(Convert.toStr(value), ".") ? Convert.toDouble(value) : Convert.toInt(value));
|
}
|
} else if (ColumnType.IMAGE == attr.cellType()) {
|
ClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), cell.getRow().getRowNum(), (short) (cell.getColumnIndex() + 1), cell.getRow().getRowNum() + 1);
|
String imagePath = Convert.toStr(value);
|
if (StringUtils.isNotEmpty(imagePath)) {
|
byte[] data = ImageUtils.getImage(imagePath);
|
getDrawingPatriarch(cell.getSheet()).createPicture(anchor, cell.getSheet().getWorkbook().addPicture(data, getImageType(data)));
|
}
|
}
|
}
|
|
/**
|
* 获取画布
|
*/
|
public static Drawing<?> getDrawingPatriarch(Sheet sheet) {
|
if (sheet.getDrawingPatriarch() == null) {
|
sheet.createDrawingPatriarch();
|
}
|
return sheet.getDrawingPatriarch();
|
}
|
|
/**
|
* 获取图片类型,设置图片插入类型
|
*/
|
public int getImageType(byte[] value) {
|
String type = FileTypeUtils.getFileExtendName(value);
|
if ("JPG".equalsIgnoreCase(type)) {
|
return Workbook.PICTURE_TYPE_JPEG;
|
} else if ("PNG".equalsIgnoreCase(type)) {
|
return Workbook.PICTURE_TYPE_PNG;
|
}
|
return Workbook.PICTURE_TYPE_JPEG;
|
}
|
|
/**
|
* 创建表格样式
|
*/
|
public void setDataValidation(Excel attr, Row row, int column) {
|
if (attr.name().indexOf("注：") >= 0) {
|
sheet.setColumnWidth(column, 6000);
|
} else {
|
// 设置列宽
|
sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
|
}
|
if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0) {
|
if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255) {
|
// 如果下拉数大于15或字符串长度大于255，则使用一个新sheet存储，避免生成的模板下拉值获取不到
|
setXSSFValidationWithHidden(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
|
} else {
|
// 提示信息或只能选择不能输入的列内容.
|
setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
|
}
|
}
|
}
|
|
/**
|
* 添加单元格
|
*/
|
public Cell addCell(Excel attr, Row row, T vo, Field field, int column) {
|
Cell cell = null;
|
try {
|
// 设置行高
|
row.setHeight(maxHeight);
|
// 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列.
|
if (attr.isExport()) {
|
// 创建cell
|
cell = row.createCell(column);
|
if (isSubListValue(vo) && getListCellValue(vo).size() > 1 && attr.needMerge()) {
|
CellRangeAddress cellAddress = new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column);
|
sheet.addMergedRegion(cellAddress);
|
}
|
cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
|
|
// 用于读取对象中的属性
|
Object value = getTargetValue(vo, field, attr);
|
String dateFormat = attr.dateFormat();
|
String readConverterExp = attr.readConverterExp();
|
String separator = attr.separator();
|
String dictType = attr.dictType();
|
if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value)) {
|
cell.setCellValue(parseDateToStr(dateFormat, value));
|
} else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value)) {
|
cell.setCellValue(convertByExp(Convert.toStr(value), readConverterExp, separator));
|
} else if (StringUtils.isNotEmpty(dictType) && StringUtils.isNotNull(value)) {
|
cell.setCellValue(convertDictByExp(Convert.toStr(value), dictType, separator));
|
} else if (value instanceof BigDecimal && -1 != attr.scale()) {
|
cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).doubleValue());
|
} else if (!attr.handler().equals(ExcelHandlerAdapter.class)) {
|
cell.setCellValue(dataFormatHandlerAdapter(value, attr));
|
} else {
|
// 设置列类型
|
setCellVo(value, attr, cell);
|
}
|
addStatisticsData(column, Convert.toStr(value), attr);
|
}
|
} catch (Exception e) {
|
log.error("导出Excel失败{}", e);
|
}
|
return cell;
|
}
|
|
/**
|
* 设置 POI XSSFSheet 单元格提示或选择框
|
*
|
* @param sheet 表单
|
* @param textlist 下拉框显示的内容
|
* @param promptContent 提示内容
|
* @param firstRow 开始行
|
* @param endRow 结束行
|
* @param firstCol 开始列
|
* @param endCol 结束列
|
*/
|
public void setPromptOrValidation(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol) {
|
DataValidationHelper helper = sheet.getDataValidationHelper();
|
DataValidationConstraint constraint = textlist.length > 0 ? helper.createExplicitListConstraint(textlist) : helper.createCustomConstraint("DD1");
|
CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
|
DataValidation dataValidation = helper.createValidation(constraint, regions);
|
if (StringUtils.isNotEmpty(promptContent)) {
|
// 如果设置了提示信息则鼠标放上去提示
|
dataValidation.createPromptBox("", promptContent);
|
dataValidation.setShowPromptBox(true);
|
}
|
// 处理Excel兼容性问题
|
if (dataValidation instanceof XSSFDataValidation) {
|
dataValidation.setSuppressDropDownArrow(true);
|
dataValidation.setShowErrorBox(true);
|
} else {
|
dataValidation.setSuppressDropDownArrow(false);
|
}
|
sheet.addValidationData(dataValidation);
|
}
|
|
/**
|
* 设置某些列的值只能输入预制的数据,显示下拉框（兼容超出一定数量的下拉框）.
|
*
|
* @param sheet 要设置的sheet.
|
* @param textlist 下拉框显示的内容
|
* @param promptContent 提示内容
|
* @param firstRow 开始行
|
* @param endRow 结束行
|
* @param firstCol 开始列
|
* @param endCol 结束列
|
*/
|
public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol) {
|
String hideSheetName = "combo_" + firstCol + "_" + endCol;
|
Sheet hideSheet = wb.createSheet(hideSheetName); // 用于存储 下拉菜单数据
|
for (int i = 0; i < textlist.length; i++) {
|
hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);
|
}
|
// 创建名称，可被其他单元格引用
|
Name name = wb.createName();
|
name.setNameName(hideSheetName + "_data");
|
name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);
|
DataValidationHelper helper = sheet.getDataValidationHelper();
|
// 加载下拉列表内容
|
DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetName + "_data");
|
// 设置数据有效性加载在哪个单元格上,四个参数分别是：起始行、终止行、起始列、终止列
|
CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
|
// 数据有效性对象
|
DataValidation dataValidation = helper.createValidation(constraint, regions);
|
if (StringUtils.isNotEmpty(promptContent)) {
|
// 如果设置了提示信息则鼠标放上去提示
|
dataValidation.createPromptBox("", promptContent);
|
dataValidation.setShowPromptBox(true);
|
}
|
// 处理Excel兼容性问题
|
if (dataValidation instanceof XSSFDataValidation) {
|
dataValidation.setSuppressDropDownArrow(true);
|
dataValidation.setShowErrorBox(true);
|
} else {
|
dataValidation.setSuppressDropDownArrow(false);
|
}
|
|
sheet.addValidationData(dataValidation);
|
// 设置hiddenSheet隐藏
|
wb.setSheetHidden(wb.getSheetIndex(hideSheet), true);
|
}
|
|
/**
|
* 解析导出值 0=男,1=女,2=未知
|
*
|
* @param propertyValue 参数值
|
* @param converterExp 翻译注解
|
* @param separator 分隔符
|
* @return 解析后值
|
*/
|
public static String convertByExp(String propertyValue, String converterExp, String separator) {
|
StringBuilder propertyString = new StringBuilder();
|
String[] convertSource = converterExp.split(",");
|
for (String item : convertSource) {
|
String[] itemArray = item.split("=");
|
if (StringUtils.containsAny(propertyValue, separator)) {
|
for (String value : propertyValue.split(separator)) {
|
if (itemArray[0].equals(value)) {
|
propertyString.append(itemArray[1] + separator);
|
break;
|
}
|
}
|
} else {
|
if (itemArray[0].equals(propertyValue)) {
|
return itemArray[1];
|
}
|
}
|
}
|
return StringUtils.stripEnd(propertyString.toString(), separator);
|
}
|
|
/**
|
* 反向解析值 男=0,女=1,未知=2
|
*
|
* @param propertyValue 参数值
|
* @param converterExp 翻译注解
|
* @param separator 分隔符
|
* @return 解析后值
|
*/
|
public static String reverseByExp(String propertyValue, String converterExp, String separator) {
|
StringBuilder propertyString = new StringBuilder();
|
String[] convertSource = converterExp.split(",");
|
for (String item : convertSource) {
|
String[] itemArray = item.split("=");
|
if (StringUtils.containsAny(propertyValue, separator)) {
|
for (String value : propertyValue.split(separator)) {
|
if (itemArray[1].equals(value)) {
|
propertyString.append(itemArray[0] + separator);
|
break;
|
}
|
}
|
} else {
|
if (itemArray[1].equals(propertyValue)) {
|
return itemArray[0];
|
}
|
}
|
}
|
return StringUtils.stripEnd(propertyString.toString(), separator);
|
}
|
|
/**
|
* 解析字典值
|
*
|
* @param dictValue 字典值
|
* @param dictType 字典类型
|
* @param separator 分隔符
|
* @return 字典标签
|
*/
|
public static String convertDictByExp(String dictValue, String dictType, String separator) {
|
return DictUtils.getDictLabel(dictType, dictValue, separator);
|
}
|
|
/**
|
* 反向解析值字典值
|
*
|
* @param dictLabel 字典标签
|
* @param dictType 字典类型
|
* @param separator 分隔符
|
* @return 字典值
|
*/
|
public static String reverseDictByExp(String dictLabel, String dictType, String separator) {
|
return DictUtils.getDictValue(dictType, dictLabel, separator);
|
}
|
|
/**
|
* 数据处理器
|
*
|
* @param value 数据值
|
* @param excel 数据注解
|
* @return
|
*/
|
public String dataFormatHandlerAdapter(Object value, Excel excel) {
|
try {
|
Object instance = excel.handler().newInstance();
|
Method formatMethod = excel.handler().getMethod("format", new Class[]{Object.class, String[].class});
|
value = formatMethod.invoke(instance, value, excel.args());
|
} catch (Exception e) {
|
log.error("不能格式化数据 " + excel.handler(), e.getMessage());
|
}
|
return Convert.toStr(value);
|
}
|
|
/**
|
* 合计统计信息
|
*/
|
private void addStatisticsData(Integer index, String text, Excel entity) {
|
if (entity != null && entity.isStatistics()) {
|
Double temp = 0D;
|
if (!statistics.containsKey(index)) {
|
statistics.put(index, temp);
|
}
|
try {
|
temp = Double.valueOf(text);
|
} catch (NumberFormatException e) {
|
}
|
statistics.put(index, statistics.get(index) + temp);
|
}
|
}
|
|
/**
|
* 创建统计行
|
*/
|
public void addStatisticsRow() {
|
if (statistics.size() > 0) {
|
Row row = sheet.createRow(sheet.getLastRowNum() + 1);
|
Set<Integer> keys = statistics.keySet();
|
Cell cell = row.createCell(0);
|
cell.setCellStyle(styles.get("total"));
|
cell.setCellValue("合计");
|
|
for (Integer key : keys) {
|
cell = row.createCell(key);
|
cell.setCellStyle(styles.get("total"));
|
cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key)));
|
}
|
statistics.clear();
|
}
|
}
|
|
/**
|
* 编码文件名
|
*/
|
public String encodingFilename(String filename) {
|
filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx";
|
return filename;
|
}
|
|
/**
|
* 获取下载路径
|
*
|
* @param filename 文件名称
|
*/
|
public String getAbsoluteFile(String filename) {
|
String downloadPath = RuoYiConfig.getDownloadPath() + filename;
|
File desc = new File(downloadPath);
|
if (!desc.getParentFile().exists()) {
|
desc.getParentFile().mkdirs();
|
}
|
return downloadPath;
|
}
|
|
/**
|
* 获取bean中的属性值
|
*
|
* @param vo 实体对象
|
* @param field 字段
|
* @param excel 注解
|
* @return 最终的属性值
|
* @throws Exception
|
*/
|
private Object getTargetValue(T vo, Field field, Excel excel) throws Exception {
|
Object o = field.get(vo);
|
if (StringUtils.isNotEmpty(excel.targetAttr())) {
|
String target = excel.targetAttr();
|
if (target.contains(".")) {
|
String[] targets = target.split("[.]");
|
for (String name : targets) {
|
o = getValue(o, name);
|
}
|
} else {
|
o = getValue(o, target);
|
}
|
}
|
return o;
|
}
|
|
/**
|
* 以类的属性的get方法方法形式获取值
|
*
|
* @param o
|
* @param name
|
* @return value
|
* @throws Exception
|
*/
|
private Object getValue(Object o, String name) throws Exception {
|
if (StringUtils.isNotNull(o) && StringUtils.isNotEmpty(name)) {
|
Class<?> clazz = o.getClass();
|
Field field = clazz.getDeclaredField(name);
|
field.setAccessible(true);
|
o = field.get(o);
|
}
|
return o;
|
}
|
|
/**
|
* 得到所有定义字段
|
*/
|
private void createExcelField() {
|
this.fields = getFields();
|
this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList());
|
this.maxHeight = getRowHeight();
|
}
|
|
/**
|
* 获取字段注解信息
|
*/
|
public List<Object[]> getFields() {
|
List<Object[]> fields = new ArrayList<Object[]>();
|
List<Field> tempFields = new ArrayList<>();
|
tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
|
tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
|
for (Field field : tempFields) {
|
if (!ArrayUtils.contains(this.excludeFields, field.getName())) {
|
// 单注解
|
if (field.isAnnotationPresent(Excel.class)) {
|
Excel attr = field.getAnnotation(Excel.class);
|
if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) {
|
field.setAccessible(true);
|
fields.add(new Object[]{field, attr});
|
}
|
if (Collection.class.isAssignableFrom(field.getType())) {
|
subMethod = getSubMethod(field.getName(), clazz);
|
ParameterizedType pt = (ParameterizedType) field.getGenericType();
|
Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];
|
this.subFields = FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class);
|
}
|
}
|
|
// 多注解
|
if (field.isAnnotationPresent(Excels.class)) {
|
Excels attrs = field.getAnnotation(Excels.class);
|
Excel[] excels = attrs.value();
|
for (Excel attr : excels) {
|
if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) {
|
field.setAccessible(true);
|
fields.add(new Object[]{field, attr});
|
}
|
}
|
}
|
}
|
}
|
return fields;
|
}
|
|
/**
|
* 根据注解获取最大行高
|
*/
|
public short getRowHeight() {
|
double maxHeight = 0;
|
for (Object[] os : this.fields) {
|
Excel excel = (Excel) os[1];
|
maxHeight = Math.max(maxHeight, excel.height());
|
}
|
return (short) (maxHeight * 20);
|
}
|
|
/**
|
* 创建一个工作簿
|
*/
|
public void createWorkbook() {
|
this.wb = new SXSSFWorkbook(500);
|
this.sheet = wb.createSheet();
|
wb.setSheetName(0, sheetName);
|
this.styles = createStyles(wb);
|
}
|
|
/**
|
* 创建工作表
|
*
|
* @param sheetNo sheet数量
|
* @param index 序号
|
*/
|
public void createSheet(int sheetNo, int index) {
|
// 设置工作表的名称.
|
if (sheetNo > 1 && index > 0) {
|
this.sheet = wb.createSheet();
|
this.createTitle();
|
wb.setSheetName(index, sheetName + index);
|
}
|
}
|
|
/**
|
* 获取单元格值
|
*
|
* @param row 获取的行
|
* @param column 获取单元格列号
|
* @return 单元格值
|
*/
|
public Object getCellValue(Row row, int column) {
|
if (row == null) {
|
return row;
|
}
|
Object val = "";
|
try {
|
Cell cell = row.getCell(column);
|
if (StringUtils.isNotNull(cell)) {
|
if (cell.getCellType() == CellType.NUMERIC || cell.getCellType() == CellType.FORMULA) {
|
val = cell.getNumericCellValue();
|
if (DateUtil.isCellDateFormatted(cell)) {
|
val = DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换
|
} else {
|
if ((Double) val % 1 != 0) {
|
val = new BigDecimal(val.toString());
|
} else {
|
val = new DecimalFormat("0").format(val);
|
}
|
}
|
} else if (cell.getCellType() == CellType.STRING) {
|
val = cell.getStringCellValue();
|
} else if (cell.getCellType() == CellType.BOOLEAN) {
|
val = cell.getBooleanCellValue();
|
} else if (cell.getCellType() == CellType.ERROR) {
|
val = cell.getErrorCellValue();
|
}
|
|
}
|
} catch (Exception e) {
|
return val;
|
}
|
return val;
|
}
|
|
/**
|
* 判断是否是空行
|
*
|
* @param row 判断的行
|
* @return
|
*/
|
private boolean isRowEmpty(Row row) {
|
if (row == null) {
|
return true;
|
}
|
for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++) {
|
Cell cell = row.getCell(i);
|
if (cell != null && cell.getCellType() != CellType.BLANK) {
|
return false;
|
}
|
}
|
return true;
|
}
|
|
/**
|
* 获取Excel2003图片
|
*
|
* @param sheet 当前sheet对象
|
* @param workbook 工作簿对象
|
* @return Map key:图片单元格索引（1_1）String，value:图片流PictureData
|
*/
|
public static Map<String, PictureData> getSheetPictures03(HSSFSheet sheet, HSSFWorkbook workbook) {
|
Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
|
List<HSSFPictureData> pictures = workbook.getAllPictures();
|
if (!pictures.isEmpty()) {
|
for (HSSFShape shape : sheet.getDrawingPatriarch().getChildren()) {
|
HSSFClientAnchor anchor = (HSSFClientAnchor) shape.getAnchor();
|
if (shape instanceof HSSFPicture) {
|
HSSFPicture pic = (HSSFPicture) shape;
|
int pictureIndex = pic.getPictureIndex() - 1;
|
HSSFPictureData picData = pictures.get(pictureIndex);
|
String picIndex = String.valueOf(anchor.getRow1()) + "_" + String.valueOf(anchor.getCol1());
|
sheetIndexPicMap.put(picIndex, picData);
|
}
|
}
|
return sheetIndexPicMap;
|
} else {
|
return sheetIndexPicMap;
|
}
|
}
|
|
/**
|
* 获取Excel2007图片
|
*
|
* @param sheet 当前sheet对象
|
* @param workbook 工作簿对象
|
* @return Map key:图片单元格索引（1_1）String，value:图片流PictureData
|
*/
|
public static Map<String, PictureData> getSheetPictures07(XSSFSheet sheet, XSSFWorkbook workbook) {
|
Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
|
for (POIXMLDocumentPart dr : sheet.getRelations()) {
|
if (dr instanceof XSSFDrawing) {
|
XSSFDrawing drawing = (XSSFDrawing) dr;
|
List<XSSFShape> shapes = drawing.getShapes();
|
for (XSSFShape shape : shapes) {
|
if (shape instanceof XSSFPicture) {
|
XSSFPicture pic = (XSSFPicture) shape;
|
XSSFClientAnchor anchor = pic.getPreferredSize();
|
CTMarker ctMarker = anchor.getFrom();
|
String picIndex = ctMarker.getRow() + "_" + ctMarker.getCol();
|
sheetIndexPicMap.put(picIndex, pic.getPictureData());
|
}
|
}
|
}
|
}
|
return sheetIndexPicMap;
|
}
|
|
/**
|
* 格式化不同类型的日期对象
|
*
|
* @param dateFormat 日期格式
|
* @param val 被格式化的日期对象
|
* @return 格式化后的日期字符
|
*/
|
public String parseDateToStr(String dateFormat, Object val) {
|
if (val == null) {
|
return "";
|
}
|
String str;
|
if (val instanceof Date) {
|
str = DateUtils.parseDateToStr(dateFormat, (Date) val);
|
} else if (val instanceof LocalDateTime) {
|
str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDateTime) val));
|
} else if (val instanceof LocalDate) {
|
str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDate) val));
|
} else {
|
str = val.toString();
|
}
|
return str;
|
}
|
|
/**
|
* 是否有对象的子列表
|
*/
|
public boolean isSubList() {
|
return StringUtils.isNotNull(subFields) && subFields.size() > 0;
|
}
|
|
/**
|
* 是否有对象的子列表，集合不为空
|
*/
|
public boolean isSubListValue(T vo) {
|
return StringUtils.isNotNull(subFields) && subFields.size() > 0 && StringUtils.isNotNull(getListCellValue(vo)) && getListCellValue(vo).size() > 0;
|
}
|
|
/**
|
* 获取集合的值
|
*/
|
public Collection<?> getListCellValue(Object obj) {
|
Object value;
|
try {
|
value = subMethod.invoke(obj, new Object[]{});
|
} catch (Exception e) {
|
return new ArrayList<Object>();
|
}
|
return (Collection<?>) value;
|
}
|
|
/**
|
* 获取对象的子列表方法
|
*
|
* @param name 名称
|
* @param pojoClass 类对象
|
* @return 子列表方法
|
*/
|
public Method getSubMethod(String name, Class<?> pojoClass) {
|
StringBuffer getMethodName = new StringBuffer("get");
|
getMethodName.append(name.substring(0, 1).toUpperCase());
|
getMethodName.append(name.substring(1));
|
Method method = null;
|
try {
|
method = pojoClass.getMethod(getMethodName.toString(), new Class[]{});
|
} catch (Exception e) {
|
log.error("获取对象异常{}", e.getMessage());
|
}
|
return method;
|
}
|
}
|
