使用HttpsURLConnection发送POST请求

重写X509TrustManager

private static TrustManager myX509TrustManager = new X509TrustManager() {

@Override
public X509Certificate[] getAcceptedIssuers() {
return null;
}

@Override
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
}

@Override
public void checkClientTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
}
};

static public String SendHttpsPOST(String url, List<NameValuePair> param, String data)
{
String result = null;

//使用此工具可以将键值对编码成"Key=Value&Key2=Value2&Key3=Value3”形式的请求参数
String requestParam = URLEncodedUtils.format(param, "UTF-8");
try {
//设置SSLContext
SSLContext sslcontext = SSLContext.getInstance("TLS");
sslcontext.init(null, new TrustManager[]{myX509TrustManager}, null);

//打开连接
//要发送的POST请求url?Key=Value&Key2=Value2&Key3=Value3的形式
URL requestUrl = new URL(url + "?" + requestParam);
HttpsURLConnection httpsConn = (HttpsURLConnection)requestUrl.openConnection();

//设置套接工厂
httpsConn.setSSLSocketFactory(sslcontext.getSocketFactory());

//加入数据
httpsConn.setRequestMethod("POST");
httpsConn.setDoOutput(true);
DataOutputStream out = new DataOutputStream(
httpsConn.getOutputStream());
if (data != null)
out.writeBytes(data);

out.flush();
out.close();

//获取输入流
BufferedReader in = new BufferedReader(new InputStreamReader(httpsConn.getInputStream()));
int code = httpsConn.getResponseCode();
if (HttpsURLConnection.HTTP_OK == code){
String temp = in.readLine();
/*连接成一个字符串*/
while (temp != null) {
if (result != null)
result += temp;
else
result = temp;
temp = in.readLine();
}
}
} catch (KeyManagementException e) {
e.printStackTrace();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (ProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}

return result;
}