如何实现java公众平台通用接口工具类HttpConnectUtil
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实例如下:
package com.common.util;import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.net.ConnectException;import java.net.HttpURLConnection;import java.net.URL;import java.util.Date;import javax.net.ssl.HttpsURLConnection;import javax.net.ssl.SSLContext;import javax.net.ssl.SSLSocketFactory;import javax.net.ssl.TrustManager;import javax.servlet.http.HttpServletRequest;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import com.common.weixin.access.util.MyX509TrustManager;public class HttpConnectUtil {private static Logger log = LoggerFactory.getLogger(HttpConnectUtil.class);public static String httpRequest(String requestUrl, String requestMethod, String outputStr) {String result = null;StringBuffer buffer = new StringBuffer();try {URL url = new URL(requestUrl);HttpURLConnection httpUrlConn = (HttpURLConnection) url.openConnection();// 设置通用的请求属性httpUrlConn.setRequestProperty("accept", "*public static String httpsRequest(String requestUrl, String requestMethod, String outputStr) throws Exception{String result = null;StringBuffer buffer = new StringBuffer();try { // 创建SSLContext对象,并使用我们指定的信任管理器初始化 TrustManager[] tm = { new MyX509TrustManager() }; SSLContext sslContext = SSLContext.getInstance("SSL", "SunJSSE"); sslContext.init(null, tm, new java.security.SecureRandom()); // 从上述SSLContext对象中得到SSLSocketFactory对象 SSLSocketFactory ssf = sslContext.getSocketFactory(); URL url = new URL(requestUrl); HttpsURLConnection httpUrlConn = (HttpsURLConnection) url.openConnection(); httpUrlConn.setSSLSocketFactory(ssf); // 设置通用的请求属性httpUrlConn.setRequestProperty("accept", "*/*");httpUrlConn.setRequestProperty("connection", "Keep-Alive");httpUrlConn.setRequestProperty("Charset", "utf-8"); httpUrlConn.setDoOutput(true);httpUrlConn.setDoInput(true);httpUrlConn.setUseCaches(false);// 设置请求方式(GET/POST)httpUrlConn.setRequestMethod(requestMethod);if ("GET".equalsIgnoreCase(requestMethod))httpUrlConn.connect();// 当有数据需要提交时if (null != outputStr) {OutputStream outputStream = httpUrlConn.getOutputStream();// 注意编码格式,防止中文乱码outputStream.write(outputStr.getBytes("UTF-8"));outputStream.close();}// 将返回的输入流转换成字符串InputStream inputStream = httpUrlConn.getInputStream();InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");BufferedReader bufferedReader = new BufferedReader(inputStreamReader);String str = null;while ((str = bufferedReader.readLine()) != null) {buffer.append(str);}bufferedReader.close();inputStreamReader.close();// 释放资源inputStream.close();inputStream = null;httpUrlConn.disconnect();result = buffer.toString();//jsonObject = JSONObject.fromObject(buffer.toString());} catch (ConnectException ce) {log.error(requestUrl + " server connection timed out.");throw new Exception("连接服务器超时");} catch (Exception e) {log.error(requestUrl +" https request error:{}", e);throw new Exception("HTTPS请求错误");}return result;} public static String getIpAddr(HttpServletRequest request) {String ip = request.getHeader("x-forwarded-for");if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {ip = request.getHeader("Proxy-Client-IP");}if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {ip = request.getHeader("WL-Proxy-Client-IP");}if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {ip = request.getRemoteAddr();}return ip;} }
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