package com.xueyoucto.xueyou;


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;

/**
 * Hello world!
 */
class GetPostTest {
    public static String sendGet(String url, String param) {
        String result = "";
        String urlName = url + "?" + param;
        try {
            URL realURL = new URL(urlName);
            URLConnection conn = realURL.openConnection();
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36");
            conn.connect();
            Map<String, List<String>> map = conn.getHeaderFields();
            for (String s : map.keySet()) {
                System.out.println(s + "-->" + map.get(s));
            }
            BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result += "\n" + line;
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return result;
    }

    public static String sendPost(String url,String param){
        String result = "";
        try {
            URL realUrl = new URL(url);
            URLConnection conn = realUrl.openConnection();
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36");
            //post設定如下兩行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            PrintWriter out = new PrintWriter(conn.getOutputStream());
            out.print(param);
            out.flush();
            BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream(),"utf-8"));
            String line;
            while((line = in.readLine()) != null){
                result +="\n" + line;
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return result;
    }
}

public class App {
    public static void main(String[] args) throws Exception {
        System.out.println("hello world");
        String sendRecvGet =GetPostTest.sendGet("http://localhost:8989/testServletEncoding/encodingTest","param=xxxxx嘻嘻嘻");
        System.out.println(sendRecvGet);
        String sendRecvPost =GetPostTest.sendPost("http://localhost:8989/testServletEncoding/encodingTest","param=就是我");
        System.out.println(sendRecvPost);
    }
}

下面是執行結果: