HttpUrlconnection POST提交 用于接口调用传参

package com.jr.demo;

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 C {

    public static void main(String[] args) throws IOException {
        URL url=new URL("http://pc201407240141:8080/Spring_MVC_Test/loging.html");
        HttpURLConnection connection=(HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setDoOutput(true);
        connection.setDoInput(true);
        connection.setUseCaches(false);
         connection.setRequestProperty("Content-Type","application/x-www-form-urlencoded");
        connection.connect();
        DataOutputStream outputStream=new DataOutputStream(connection.getOutputStream());
        String content="name="+URLEncoder.encode("吕佳瑞", "gbk");
        content+="&pwd="+URLEncoder.encode("123", "gbk");
        outputStream.writeBytes(content);
        outputStream.flush();
        outputStream.close();

        InputStreamReader is=new InputStreamReader(connection.getInputStream());

        BufferedReader br=new BufferedReader(is);
        String line="";
        StringBuffer sb=new StringBuffer();
        while ((line=br.readLine())!=null) {
            sb.append(line);
        }

        System.out.println(sb.toString());
        br.close();

    }

}