import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;


public class Test {

  public static final String POST_URL = "http://www.jianzhou.sh.cn/JianzhouSMSWSServer/http/sendBatchMessage";

  public static void readContentFromPost() throws IOException {
    // Post请求的url，与get不同的是不需要带参数
    URL postUrl = new URL(POST_URL);
    // 打开连接
    HttpURLConnection connection = (HttpURLConnection) postUrl.openConnection();
    // Output to the connection. Default is
    // false, set to true because post
    // method must write something to the
    // connection
    // 设置是否向connection输出，因为这个是post请求，参数要放在
    // http正文内，因此需要设为true
    connection.setDoOutput(true);
    // Read from the connection. Default is true.
    connection.setDoInput(true);
    // Set the post method. Default is GET
    connection.setRequestMethod("POST");
    // Post cannot use caches
    // Post 请求不能使用缓存
    connection.setUseCaches(false);
    // This method takes effects to
    // every instances of this class.
    // URLConnection.setFollowRedirects是static函数，作用于所有的URLConnection对象。
    // connection.setFollowRedirects(true);

    // This methods only
    // takes effacts to this
    // instance.
    // URLConnection.setInstanceFollowRedirects是成员函数，仅作用于当前函数
    connection.setInstanceFollowRedirects(true);
    // Set the content type to urlencoded,
    // because we will write
    // some URL-encoded content to the
    // connection. Settings above must be set before connect!
    // 配置本次连接的Content-type，配置为application/x-www-form-urlencoded的
    // 意思是正文是urlencoded编码过的form参数，下面我们可以看到我们对正文内容使用URLEncoder.encode
    // 进行编码
    connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    // 连接，从postUrl.openConnection()至此的配置必须要在connect之前完成，
    // 要注意的是connection.getOutputStream会隐含的进行connect。
    connection.connect();
    DataOutputStream out = new DataOutputStream(connection.getOutputStream());
    // The URL-encoded contend

    //下面为http发送短信模式--------
    String content = "account=" + "jz004" + "&" + "password=" + "xxxx" + "&" + "sendDateTime=" + "" + "&" + "destmobile=" + "18717830363" + "&"
        + "msgText=" + URLEncoder.encode("验证码：456789【建周科技】", "UTF-8");

    System.out.println(content);
    out.writeBytes(content);

    out.flush();
    out.close(); // flush and close
    BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
    String line;
    System.out.println("=============================");
    System.out.println("Contents of post request");
    System.out.println("=============================");
    while ((line = reader.readLine()) != null) {
      System.out.println(line);
    }
    System.out.println("=============================");
    System.out.println("Contents of post request ends");
    System.out.println("=============================");
    reader.close();
    connection.disconnect();
  }

  /**
   * @param args
   */
  public static void main(String[] args) {
    // TODO Auto-generated method stub
    try {
      readContentFromPost();
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
  }

}