HttpURLConnection网络获取天气预报信息

来源：互联网发布：网约车用什么软件好编辑：程序博客网时间：2024/05/16 09:44

配置android.permission.INTERNET

android.permission.INTERNETimport java.io.ByteArrayOutputStream;

import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLEncoder;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.EditText;

public class MainActivity extends Activity {

   private static final String TAG = "MainActivity";
   private EditText text;

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);
       text = (EditText) findViewById(R.id.et_text);

   }

   public void bt(View v){
       new Thread(){
           public void run() {
               //网络数据
               httpcontent();
           }
       }.start();
   }

   private void httpcontent() {
       // TODO Auto-generated method stub
       try {
       String name = text.getText().toString().trim();
       //路径
       String path="http://wthrcdn.etouch.cn/weather_mini?city=";

           URL url=new URL(path+URLEncoder.encode(name));
           Log.i(TAG, "name:"+URLEncoder.encode(name, "utf-8"));
           //建立连接
           HttpURLConnection openConnection = (HttpURLConnection) url.openConnection();
           openConnection.setConnectTimeout(5000);
           openConnection.setReadTimeout(5000);
           openConnection.setRequestMethod("GET");
           int responseCode = openConnection.getResponseCode();
           if(responseCode==200){
               InputStream inputStream = openConnection.getInputStream();
               //将获得的文件json转换成字符串
               ByteArrayOutputStream arrayOutputStream=new ByteArrayOutputStream();
               byte[] buffer=new byte[1024];
               int len=0;
               while((len=inputStream.read(buffer))!=-1){
                   arrayOutputStream.write(buffer, 0, len);
               }

String str = arrayOutputStream.toString();

//接着gson解析bean类集合

               Log.i(TAG, "str:"+str);
           }else{

           }
       } catch (Exception e) {
           // TODO Auto-generated catch block
           e.printStackTrace();
       }

   };

}

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