安卓前端後端交互

點擊查找博客請求這個方法：

網絡路徑是u27665492r.wicp.vip:47513/test

package com.wxw.hit;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLDecoder;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.Map;

import static java.net.Proxy.Type.HTTP;

public class MainActivity extends AppCompatActivity {
    private Button button;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        bindId();
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //安卓異步操作
                new Thread(new Runnable() {
                    @Override
                    public void run() {
                        getWebinfo();
                    }
                }).start();
            }
        });
    }

    private void getWebinfo() {
        try {
            //1.找水源---創建URL（統一資源定位器）
            URL url=new URL("http://u27665492r.wicp.vip:47513/test");
            //2.開水閘---openCOnnection
            HttpURLConnection httpURLConnection= (HttpURLConnection) url.openConnection();
            //3.建管道---InputStream
            InputStream inputStream=httpURLConnection.getInputStream();
            //4.建蓄水池---InputStreamReader
            InputStreamReader inputStreamReader=new InputStreamReader(inputStream,"UTF-8");
            //5.水桶盛水——BufferedReader
            BufferedReader bufferedReader=new BufferedReader(inputStreamReader);

            StringBuffer stringBuffer=new StringBuffer();
            String temp=null;

            //循環做盛水工作---while循環
            while ((temp=bufferedReader.readLine())!=null){
                stringBuffer.append(temp);
            }

            //關閉水池入口，從管道到水桶
            bufferedReader.close();
            inputStreamReader.close();
            inputStream.close();
            //打印日誌
            Log.e("Main",stringBuffer.toString());
            System.out.println(stringBuffer.toString());

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    //綁定Id
    private void bindId() {
        button=findViewById(R.id.getBlog);
    }
}

AndroidManifest.xml記得加上網絡權限：

請求成功。