HttpsURLConnection实现SSL的GET/POST请求

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package org.nercita.weixin.util;import java.security.cert.CertificateException;import java.security.cert.X509Certificate;import javax.net.ssl.X509TrustManager;/** * 证书信任管理器（用于https请求） * 这个证书管理器的作用就是让它信任我们指定的证书，下面的代码意味着信任所有证书，不管是否权威机构颁发。 * @author zhangwenchao * */public class MyX509TrustManager implements  X509TrustManager{@Overridepublic void checkClientTrusted(X509Certificate[] chain, String authType)throws CertificateException {}@Overridepublic void checkServerTrusted(X509Certificate[] chain, String authType)throws CertificateException {}@Overridepublic X509Certificate[] getAcceptedIssuers() {return null;}}

package org.nercita.weixin.util;import java.io.BufferedReader;  import java.io.InputStream;  import java.io.InputStreamReader;  import java.io.OutputStream;  import java.net.ConnectException;  import java.net.URL;    import javax.net.ssl.HttpsURLConnection;  import javax.net.ssl.SSLContext;  import javax.net.ssl.SSLSocketFactory;  import javax.net.ssl.TrustManager;    import net.sf.json.JSONException;import net.sf.json.JSONObject;    import org.nercita.weixin.domain.AccessToken;import org.nercita.weixin.domain.Menu;import org.slf4j.Logger;  import org.slf4j.LoggerFactory;/** * 公众平台通用接口工具类  * 用户实现https请求 * @author zhangwenchao * */public class HttpsRequestUtil {private static Logger logger = LoggerFactory.getLogger(HttpsRequestUtil.class); // 获取access_token接口的地址（GET） 限200（次/天） public final static String access_token_url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET"; // 菜单创建（POST） 限100（次/天）   public static String menu_create_url = "https://api.weixin.qq.com/cgi-bin/menu/create?access_token=ACCESS_TOKEN";     /**      * 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 JSONObject httpRequest(String requestUrl, String requestMethod, String outputStr) {          JSONObject jsonObject = 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();                //打开连接            URL url = new URL(requestUrl);              HttpsURLConnection httpUrlConn = (HttpsURLConnection) url.openConnection();              httpUrlConn.setSSLSocketFactory(ssf);              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();              jsonObject = JSONObject.fromObject(buffer.toString());          } catch (ConnectException ce) {          logger.error("Weixin server connection timed out.");          } catch (Exception e) {          logger.error("https request error:{}", e);          }          return jsonObject;      }                 /**      * 获取access_token      * 微信服务器会返回json格式的数据：{"access_token":"ACCESS_TOKEN","expires_in":7200}     * @param appid 凭证      * @param appsecret 密钥      * @return      */      public static AccessToken getAccessToken(String appid, String appsecret) {          AccessToken accessToken = null;          String requestUrl = access_token_url.replace("APPID", appid).replace("APPSECRET", appsecret);          JSONObject jsonObject = httpRequest(requestUrl, "GET", null);          // 如果请求成功           if (null != jsonObject) {              try {                  accessToken = new AccessToken();                  accessToken.setAccessToken(jsonObject.getString("access_token"));                  accessToken.setExpiresIn(jsonObject.getInt("expires_in"));              } catch (JSONException e) {                  accessToken = null;                  // 获取token失败                   logger.error("获取token失败 errcode:{} errmsg:{}", jsonObject.getInt("errcode"), jsonObject.getString("errmsg"));              }          }          return accessToken;      }                /**      * 创建菜单      *       * @param menu 菜单实例      * @param accessToken 有效的access_token      * @return 0表示成功，其他值表示失败      */      public static int createMenu(Menu menu, String accessToken) {          int result = 0;                // 拼装创建菜单的url           String url = menu_create_url.replace("ACCESS_TOKEN", accessToken);          // 将菜单对象转换成json字符串           String jsonMenu = JSONObject.fromObject(menu).toString();          // 调用接口创建菜单           JSONObject jsonObject = httpRequest(url, "POST", jsonMenu);                if (null != jsonObject) {              if (0 != jsonObject.getInt("errcode")) {                  result = jsonObject.getInt("errcode");                  logger.error("创建菜单失败 errcode:{} errmsg:{}", jsonObject.getInt("errcode"), jsonObject.getString("errmsg"));              }          }                return result;      } }

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