package com.ruoyi.common.utils.http;
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import java.io.*;
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import java.net.*;
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import java.nio.charset.StandardCharsets;
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import java.security.cert.X509Certificate;
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import java.util.Map;
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import java.util.Objects;
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import javax.net.ssl.HostnameVerifier;
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import javax.net.ssl.HttpsURLConnection;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLSession;
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import javax.net.ssl.TrustManager;
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import javax.net.ssl.X509TrustManager;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.ruoyi.common.constant.Constants;
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import com.ruoyi.common.utils.StringUtils;
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/**
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* 通用http发送方法
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*
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* @author ruoyi
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*/
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public class HttpUtils {
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private static final Logger log = LoggerFactory.getLogger(HttpUtils.class);
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/**
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* 向指定 URL 发送GET方法的请求
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*
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* @param url 发送请求的 URL
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* @return 所代表远程资源的响应结果
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*/
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public static String sendGet(String url) {
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return sendGet(url, StringUtils.EMPTY);
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}
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/**
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* 向指定 URL 发送GET方法的请求
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*
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* @param url 发送请求的 URL
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* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
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* @return 所代表远程资源的响应结果
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*/
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public static String sendGet(String url, String param) {
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return sendGet(url, param, Constants.UTF8);
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}
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/**
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* 向指定 URL 发送GET方法的请求
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*
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* @param url 发送请求的 URL
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* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
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* @param contentType 编码类型
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* @return 所代表远程资源的响应结果
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*/
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public static String sendGet(String url, String param, String contentType) {
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StringBuilder result = new StringBuilder();
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BufferedReader in = null;
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try {
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String urlNameString = StringUtils.isNotBlank(param) ? url + "?" + param : url;
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// log.info("sendGet - {}", urlNameString);
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URL realUrl = new URL(urlNameString);
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URLConnection connection = realUrl.openConnection();
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connection.setRequestProperty("accept", "*/*");
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connection.setRequestProperty("connection", "Keep-Alive");
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connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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connection.connect();
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in = new BufferedReader(new InputStreamReader(connection.getInputStream(), contentType));
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String line;
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while ((line = in.readLine()) != null) {
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result.append(line);
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}
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// log.info("recv - {}", result);
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} catch (ConnectException e) {
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log.error("调用HttpUtils.sendGet ConnectException, url=" + url + ",param=" + param, e);
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} catch (SocketTimeoutException e) {
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log.error("调用HttpUtils.sendGet SocketTimeoutException, url=" + url + ",param=" + param, e);
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} catch (IOException e) {
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log.error("调用HttpUtils.sendGet IOException, url=" + url + ",param=" + param, e);
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} catch (Exception e) {
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log.error("调用HttpsUtil.sendGet Exception, url=" + url + ",param=" + param, e);
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} finally {
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try {
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if (in != null) {
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in.close();
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}
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} catch (Exception ex) {
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log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
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}
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}
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return result.toString();
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}
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/**
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* 向指定 URL 发送POST方法的请求
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*
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* @param url 发送请求的 URL
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* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
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* @return 所代表远程资源的响应结果
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*/
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public static String sendPost(String url, String param) {
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PrintWriter out = null;
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BufferedReader in = null;
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StringBuilder result = new StringBuilder();
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try {
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log.info("sendPost - {}", url);
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URL realUrl = new URL(url);
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URLConnection conn = realUrl.openConnection();
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conn.setRequestProperty("accept", "*/*");
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conn.setRequestProperty("connection", "Keep-Alive");
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conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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conn.setRequestProperty("Accept-Charset", "utf-8");
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conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
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conn.setDoOutput(true);
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conn.setDoInput(true);
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out = new PrintWriter(new OutputStreamWriter(conn.getOutputStream(), StandardCharsets.UTF_8));
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out.print(param);
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out.flush();
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in = new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8));
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String line;
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while ((line = in.readLine()) != null) {
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result.append(line);
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}
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log.info("recv - {}", result);
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} catch (ConnectException e) {
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log.error("调用HttpUtils.sendPost ConnectException, url=" + url + ",param=" + param, e);
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} catch (SocketTimeoutException e) {
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log.error("调用HttpUtils.sendPost SocketTimeoutException, url=" + url + ",param=" + param, e);
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} catch (IOException e) {
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log.error("调用HttpUtils.sendPost IOException, url=" + url + ",param=" + param, e);
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} catch (Exception e) {
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log.error("调用HttpsUtil.sendPost Exception, url=" + url + ",param=" + param, e);
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} finally {
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try {
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if (out != null) {
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out.close();
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}
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if (in != null) {
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in.close();
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}
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} catch (IOException ex) {
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log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
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}
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}
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return result.toString();
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}
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public static String sendPostByHeaderOld(String url, String param, Map<String, String> headers) {
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PrintWriter out = null;
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BufferedReader in = null;
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StringBuilder result = new StringBuilder();
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try {
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log.info("sendPost - {}", url);
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URL realUrl = new URL(url);
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URLConnection conn = realUrl.openConnection();
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conn.setRequestProperty("accept", "*/*");
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conn.setRequestProperty("connection", "Keep-Alive");
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conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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conn.setRequestProperty("Accept-Charset", "utf-8");
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conn.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
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conn.setDoOutput(true);
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conn.setDoInput(true);
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if (!Objects.isNull(headers)) {
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for (Map.Entry<String, String> entry : headers.entrySet()) {
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conn.setRequestProperty(entry.getKey(), entry.getValue());
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}
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}
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out = new PrintWriter(new OutputStreamWriter(conn.getOutputStream(), StandardCharsets.UTF_8));
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log.error("---------param发送的数据为:{}",param);
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out.print(param);
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out.flush();
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in = new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8));
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String line;
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while ((line = in.readLine()) != null) {
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result.append(line);
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}
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} catch (ConnectException e) {
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log.error("调用HttpUtils.sendPost ConnectException, url=" + url + ",param=" + param, e);
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} catch (SocketTimeoutException e) {
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log.error("调用HttpUtils.sendPost SocketTimeoutException, url=" + url + ",param=" + param, e);
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} catch (IOException e) {
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log.error("调用HttpUtils.sendPost IOException, url=" + url + ",param=" + param, e);
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} catch (Exception e) {
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log.error("调用HttpsUtil.sendPost Exception, url=" + url + ",param=" + param, e);
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} finally {
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try {
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if (out != null) {
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out.close();
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}
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if (in != null) {
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in.close();
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}
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} catch (IOException ex) {
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log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
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}
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}
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return result.toString();
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}
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public static String sendPostByHeader(String url, String param, Map<String, String> headers) {
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StringBuilder result = new StringBuilder();
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HttpURLConnection conn = null;
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try {
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log.info("sendPost - {}", url);
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URL realUrl = new URL(url);
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conn = (HttpURLConnection) realUrl.openConnection();
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conn.setRequestMethod("POST");
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conn.setRequestProperty("Accept", "*/*");
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conn.setRequestProperty("Connection", "Keep-Alive");
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conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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conn.setRequestProperty("Content-Type", "application/json; charset=UTF-8");
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conn.setDoOutput(true);
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conn.setDoInput(true);
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if (headers != null) {
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for (Map.Entry<String, String> entry : headers.entrySet()) {
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conn.setRequestProperty(entry.getKey(), entry.getValue());
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}
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}
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log.error("发送参数：{}", param);
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try (OutputStream os = conn.getOutputStream()) {
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byte[] input = param.getBytes(StandardCharsets.UTF_8);
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os.write(input, 0, input.length);
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}
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try (BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), StandardCharsets.UTF_8))) {
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String line;
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while ((line = in.readLine()) != null) {
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result.append(line);
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}
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}
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} catch (Exception e) {
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log.error("调用 sendPostByHeader 异常，url={}, param={}", url, param, e);
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} finally {
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if (conn != null) {
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conn.disconnect();
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}
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}
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return result.toString();
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}
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public static String sendSSLPost(String url, String param) {
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StringBuilder result = new StringBuilder();
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String urlNameString = url + "?" + param;
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try {
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log.info("sendSSLPost - {}", urlNameString);
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SSLContext sc = SSLContext.getInstance("SSL");
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sc.init(null, new TrustManager[]{new TrustAnyTrustManager()}, new java.security.SecureRandom());
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URL console = new URL(urlNameString);
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HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();
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conn.setRequestProperty("accept", "*/*");
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conn.setRequestProperty("connection", "Keep-Alive");
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conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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conn.setRequestProperty("Accept-Charset", "utf-8");
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conn.setRequestProperty("contentType", "utf-8");
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conn.setDoOutput(true);
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conn.setDoInput(true);
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conn.setSSLSocketFactory(sc.getSocketFactory());
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conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
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conn.connect();
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InputStream is = conn.getInputStream();
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BufferedReader br = new BufferedReader(new InputStreamReader(is));
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String ret = "";
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while ((ret = br.readLine()) != null) {
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if (ret != null && !"".equals(ret.trim())) {
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result.append(new String(ret.getBytes(StandardCharsets.ISO_8859_1), StandardCharsets.UTF_8));
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}
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}
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log.info("recv - {}", result);
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conn.disconnect();
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br.close();
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} catch (ConnectException e) {
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log.error("调用HttpUtils.sendSSLPost ConnectException, url=" + url + ",param=" + param, e);
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} catch (SocketTimeoutException e) {
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log.error("调用HttpUtils.sendSSLPost SocketTimeoutException, url=" + url + ",param=" + param, e);
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} catch (IOException e) {
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log.error("调用HttpUtils.sendSSLPost IOException, url=" + url + ",param=" + param, e);
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} catch (Exception e) {
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log.error("调用HttpsUtil.sendSSLPost Exception, url=" + url + ",param=" + param, e);
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}
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return result.toString();
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}
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private static class TrustAnyTrustManager implements X509TrustManager {
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@Override
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public void checkClientTrusted(X509Certificate[] chain, String authType) {
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}
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@Override
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public void checkServerTrusted(X509Certificate[] chain, String authType) {
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}
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@Override
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public X509Certificate[] getAcceptedIssuers() {
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return new X509Certificate[]{};
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}
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}
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private static class TrustAnyHostnameVerifier implements HostnameVerifier {
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@Override
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public boolean verify(String hostname, SSLSession session) {
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return true;
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}
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}
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}
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