package com.ruoyi.common.core.utils;
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import com.ruoyi.common.core.constant.Constants;
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import com.ruoyi.common.core.exception.ServiceException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import javax.net.ssl.*;
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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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/**
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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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{
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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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{
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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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{
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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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{
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StringBuilder result = new StringBuilder();
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BufferedReader in = null;
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try
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{
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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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{
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result.append(line);
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}
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log.info("recv - {}", result);
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}
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catch (ConnectException e)
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{
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log.error("调用HttpUtils.sendGet ConnectException, url=" + url + ",param=" + param, e);
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}
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catch (SocketTimeoutException e)
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{
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log.error("调用HttpUtils.sendGet SocketTimeoutException, url=" + url + ",param=" + param, e);
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}
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catch (IOException e)
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{
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log.error("调用HttpUtils.sendGet IOException, url=" + url + ",param=" + param, e);
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}
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catch (Exception e)
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{
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log.error("调用HttpsUtil.sendGet Exception, url=" + url + ",param=" + param, e);
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}
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finally
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{
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try
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{
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if (in != null)
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{
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in.close();
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}
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}
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catch (Exception ex)
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{
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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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{
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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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{
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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("contentType", "utf-8");
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conn.setDoOutput(true);
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conn.setDoInput(true);
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out = new PrintWriter(conn.getOutputStream());
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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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{
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result.append(line);
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}
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log.info("recv - {}", result);
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}
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catch (ConnectException e)
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{
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log.error("调用HttpUtils.sendPost ConnectException, url=" + url + ",param=" + param, e);
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}
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catch (SocketTimeoutException e)
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{
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log.error("调用HttpUtils.sendPost SocketTimeoutException, url=" + url + ",param=" + param, e);
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}
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catch (IOException e)
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{
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log.error("调用HttpUtils.sendPost IOException, url=" + url + ",param=" + param, e);
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}
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catch (Exception e)
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{
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log.error("调用HttpsUtil.sendPost Exception, url=" + url + ",param=" + param, e);
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}
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finally
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{
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try
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{
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if (out != null)
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{
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out.close();
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}
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if (in != null)
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{
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in.close();
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}
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}
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catch (IOException ex)
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{
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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 sendSSLPost(String url, String param)
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{
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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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{
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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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{
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if (ret != null && !"".equals(ret.trim()))
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{
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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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}
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catch (ConnectException e)
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{
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log.error("调用HttpUtils.sendSSLPost ConnectException, url=" + url + ",param=" + param, e);
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}
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catch (SocketTimeoutException e)
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{
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log.error("调用HttpUtils.sendSSLPost SocketTimeoutException, url=" + url + ",param=" + param, e);
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}
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catch (IOException e)
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{
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log.error("调用HttpUtils.sendSSLPost IOException, url=" + url + ",param=" + param, e);
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}
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catch (Exception e)
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{
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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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public static String post(String strURL, String params) {
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String result = "";
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BufferedReader reader = null;
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try {
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URL url = new URL(strURL);// 创建连接
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HttpURLConnection connection = (HttpURLConnection) url
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.openConnection();
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connection.setDoOutput(true);
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connection.setDoInput(true);
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connection.setUseCaches(false);
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connection.setInstanceFollowRedirects(true);
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connection.setRequestMethod("POST"); // 设置请求方式
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connection.setRequestProperty("Accept", "application/json"); // 设置接收数据的格式
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connection.setRequestProperty("Content-Type", "application/json"); // 设置发送数据的格式
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connection.connect();
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if (params != null && !StringUtils.isEmpty(params)) {
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byte[] writebytes = params.getBytes();
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// 设置文件长度
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// connection.setRequestProperty("Content-Length", String.valueOf(writebytes.length));
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OutputStream outwritestream = connection.getOutputStream();
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outwritestream.write(params.getBytes());
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outwritestream.flush();
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outwritestream.close();
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// Log.d("hlhupload", "doJsonPost: conn"+connection.getResponseCode());
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}
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if (connection.getResponseCode() == 200) {
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log.info("<<<<<<<<<<<<<请求响应:{}", connection.getResponseMessage());
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reader = new BufferedReader(
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new InputStreamReader(connection.getInputStream()));
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result = reader.readLine();
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log.info("<<<<<<<<<<<<<请求响应:{}", result);
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} else {
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throw new ServiceException(connection.getResponseMessage());
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}
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} catch (Exception e) {
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throw new ServiceException("http的post请求异常!" + e.getMessage());
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} finally {
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if (reader != null) {
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try {
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reader.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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return result;
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}
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private static class TrustAnyTrustManager implements X509TrustManager
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{
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@Override
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public void checkClientTrusted(X509Certificate[] chain, String authType)
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{
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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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}
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@Override
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public X509Certificate[] getAcceptedIssuers()
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{
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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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{
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@Override
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public boolean verify(String hostname, SSLSession session)
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{
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return true;
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}
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}
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}
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