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这篇文章给大家分享的是有关如何实现java公众平台通用接口工具类HttpConnectUtil的内容。小编觉得挺实用的,因此分享给大家做个参考,一起跟随小编过来看看吧。
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; /** * 公众平台通用接口工具类 * * @author * @date 2013-08-09 */ public class HttpConnectUtil { private static Logger log = LoggerFactory.getLogger(HttpConnectUtil.class); /** * 发起https请求并获取结果 * * @param requestUrl 请求地址 * @param requestMethod 请求方式(GET、POST) * @param outputStr 提交的数据 * @return JSONObject(通过JSONObject.get(key)的方式获取json对象的属性值) */ 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", "*/*"); 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("Weixin server connection timed out."); } catch (Exception e) { log.error("https request error:{}", e); } return result; } /** * 发起https请求并获取结果 * * @param requestUrl 请求地址 * @param requestMethod 请求方式(GET、POST) * @param outputStr 提交的数据 * @return 结果字符串 */ 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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