Socket获取天气

Posted 2021-03-11 zhaideang

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;

public class TalkClient {
    public static void main(String[] args) {
        try{
            //向本机的4700端口发出客户请求
            Socket socket=new Socket("restapi.amap.com",80);

            //由Socket对象得到输出流，并构造PrintWriter对象
            PrintWriter os=new PrintWriter(socket.getOutputStream());

            os.println("GET https://restapi.amap.com/v3/weather/weatherInfo?city=370883&key=。。。&output=xml");
            os.flush();

            //由Socket对象得到输入流，并构造相应的BufferedReader对象
            BufferedReader input = new BufferedReader(new InputStreamReader(socket.getInputStream(), "UTF-8"));  
            String line = null;  
            while ((line = input.readLine()) != null) {  
                System.out.println(line);  
            } 
            os.close(); //关闭Socket输出流
            input.close(); //关闭Socket输入流
            socket.close(); //关闭Socket
        }catch(Exception e){
            e.printStackTrace();//出错，打印出错信息
        }

    }

}