调用HTTPS与HTTP接口（亲测可用）

public class HttpsPostJsonUtil {

private static class TrustAnyTrustManager implements X509TrustManager {
//该方法检查客户端的证书，若不信任该证书则抛出异常。由于我们不需要对客户端进行认证，因此我们只需要执行默认的信任管理器的这个方法。
//JSSE中，默认的信任管理器类为TrustManager。
public void checkClientTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
}
//该方法检查服务器的证书，若不信任该证书同样抛出异常。通过自己实现该方法，可以使之信任我们指定的任何证书。在实现该方法时，也可以简单的不做任何处理，即一个空的函数体，由于不会抛出异常，它就会信任任何证书。
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
}
//返回受信任的X509证书数组。
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[] {};
}
}

private static class TrustAnyHostnameVerifier implements HostnameVerifier {
public boolean verify(String hostname, SSLSession session) {
return true;
}
}

/**

• post方式请求服务器(https协议)

• @param url

•  请求地址
  

• @param content

•  参数
  

• @param charset

•  编码
  

• @return

• @throws NoSuchAlgorithmException

• @throws KeyManagementException

• @throws IOException
  */
  public String post(String url, String content)
  throws NoSuchAlgorithmException, KeyManagementException,
  IOException {
  /*类HttpsURLConnection似乎并没有提供方法设置信任管理器。其实，HttpsURLConnection通过SSLSocket来建立与HTTPS的安全连接，SSLSocket对象是由SSLSocketFactory生成的。

• HttpsURLConnection提供了方法setSSLSocketFactory(SSLSocketFactory)设置它使用的SSLSocketFactory对象。

• SSLSocketFactory通过SSLContext对象来获得，在初始化SSLContext对象时，可指定信任管理器对象。

• */
  String result = null;
  content=content.replace("’",""");
  SSLContext sc = SSLContext.getInstance(“SSL”);
  sc.init(null, new TrustManager[] { new TrustAnyTrustManager() },
  new java.security.SecureRandom());

  String charset=“UTF-8”;
  URL console = new URL(url);
  HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();
  conn.setSSLSocketFactory(sc.getSocketFactory());
  conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
  conn.setDoOutput(true);
  //设置请求头
  conn.setRequestProperty(“Content-Type”, “application/json;charset=utf-8”);
  conn.connect();
  DataOutputStream out = new DataOutputStream(conn.getOutputStream());
  out.write(content.getBytes(charset));
  // 刷新、关闭
  out.flush();
  out.close();
  InputStream is = conn.getInputStream();
  if (HttpURLConnection.HTTP_OK == conn.getResponseCode()) {
  System.out.println(“连接成功”);
  // 请求返回的数据
  if (is != null) {
  ByteArrayOutputStream outStream = new ByteArrayOutputStream();
  byte[] buffer = new byte[1024];
  int len = 0;
  while ((len = is.read(buffer)) != -1) {
  outStream.write(buffer, 0, len);
  }
  is.close();
  byte[] lens = outStream.toByteArray();
  result = new String(lens,“UTF-8”);
  }
  } else {
  result = “调用接口失败！”;
  System.out.println(“error++”);
  }

  return result;
  }

/**

• post方式请求服务器(http协议)

• @param url

•  请求地址
  

• @param content

•  参数
  

• @param charset

•  编码
  

• @return

• @throws NoSuchAlgorithmException

• @throws KeyManagementException

• @throws IOException
  */
  public String getJsonData(String xmlInfo, String URL) throws
  IOException{
  String charset=“UTF-8”;
  String result=null;
  xmlInfo=xmlInfo.replace("’",""");
  System.out.println(“发起的数据:” + xmlInfo);

  byte[] xmlData = xmlInfo.getBytes();

  URL url = new URL(URL);
  URLConnection urlCon = url.openConnection();
  urlCon.setDoOutput(true);
  urlCon.setDoInput(true);
  //urlCon.setUseCaches(false);

  urlCon.setRequestProperty(“Content-Type”, “application/json;charset=utf-8”);
  urlCon.setRequestProperty(“charset”, “utf-8”);
  urlCon.setRequestProperty(“Content-length”,String.valueOf(xmlData.length));
  urlCon.setRequestProperty(“X-Auth-Token”, “token”); //设置请求的token
  urlCon.setRequestProperty(“Connection”, “keep-alive”); //设置连接的状态
  urlCon.setRequestProperty(“user-agent”, “Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)”);

  System.out.println(String.valueOf(xmlData.length));
  urlCon.connect();
  DataOutputStream out = new DataOutputStream(urlCon.getOutputStream());
  out.write(xmlInfo.getBytes(charset));
  // 刷新、关闭
  out.flush();
  out.close();
  InputStream is = urlCon.getInputStream();
  if (HttpURLConnection.HTTP_OK == ((HttpURLConnection) urlCon).getResponseCode()) {
  System.out.println(“连接成功”);
  // 请求返回的数据
  if (is != null) {
  ByteArrayOutputStream outStream = new ByteArrayOutputStream();
  byte[] buffer = new byte[1024];
  int len = 0;
  while ((len = is.read(buffer)) != -1) {
  outStream.write(buffer, 0, len);
  }
  is.close();
  byte[] lens = outStream.toByteArray();
  result = new String(lens,“UTF-8”);
  }
  } else {
  result = “调用接口失败！”;
  System.out.println(“error++”);
  }

  return result;
  }