解决文件上传时，文件名重复问题

liusheng

2023-11-01 6892c31200a7ed1b0e60ee5aff794b1fcecc7ef6

 ruoyi-admin/src/main/java/com/ruoyi/web/controller/common/CommonController.java

@@ -15,6 +15,7 @@
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.MediaType;
import org.springframework.mock.web.MockMultipartFile;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
@@ -23,6 +24,7 @@
import javax.management.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.lang.management.ManagementFactory;
import java.util.Set;

@@ -75,6 +77,24 @@
        try {
            // 上传文件路径
            String filePath = RuoYiConfig.getUploadPath();

            //判断文件是否存在
            String filename = file.getOriginalFilename().trim();
            String felinamePath = FileUploadUtils.extractFilename(file);
//            String pathFileName = FileUploadUtils.getPathFileName(filePath, s);
            File file1 = new File(filePath + "/" + felinamePath);
            boolean exists = file1.exists();
            if (exists) {
                int i = filename.lastIndexOf(".");
                String startStr = filename.substring(0, i);
                String endStr = filename.substring(i, filename.length());

                String newFilename = startStr + System.currentTimeMillis() + endStr; // your new filename
                String contentType = file.getContentType();
                byte[] bytes = file.getBytes();
                file = new MockMultipartFile(newFilename, newFilename, contentType, bytes);
            }

            // 上传并返回新文件名称
            String fileName = FileUploadUtils.upload(filePath, file);
            String url1 = serverConfig.getUrl();