Android程式開發之網路通訊（一）： 使用Http的Get方式讀取網路資料

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url採用的是有道詞典提供的api

MainActivity.java

package com.example.treasure.httpget;import android.app.Activity;import android.content.SyncStatusObserver;import android.os.AsyncTask;import android.os.Bundle;import android.support.design.widget.FloatingActionButton;import android.support.design.widget.Snackbar;import android.support.v7.app.AppCompatActivity;import android.support.v7.widget.Toolbar;import android.view.View;import android.view.Menu;import android.view.MenuItem;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.net.MalformedURLException;import java.net.URL;import java.net.URLConnection;public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        findViewById(R.id.get).setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {               new AsyncTask<String,Void,Void>(){                   @Override                   protected Void doInBackground(String... params) {                       try {                           URL url = new URL(params[0]);                           URLConnection connection=url.openConnection();                          //  connection.setDoInput(true);                          // connection.setDoOutput(true);                         //  connection.sx                          // OutputStreamWriter bow=new OutputStreamWriter(connection.getOutputStream(),"UTF-8");                         //  BufferedWriter bw=new BufferedWriter(bow);                          // bw.write("keyfrom=treasure&key=1383408303&type=data&doctype=json&version=1.1&q=good");                         //  bw.flush();                           InputStream is=connection.getInputStream();                           InputStreamReader isr=new InputStreamReader(is,"UTF-8");                           BufferedReader br=new BufferedReader(isr);                           String line;                           while((line=br.readLine())!=null){                               System.out.println(line);                           }                           br.close();                           isr.close();                           is.close();                       } catch (MalformedURLException e) {                           e.printStackTrace();                       } catch (IOException e) {                           e.printStackTrace();                       }                       return null;                   }               }.execute("http://fanyi.youdao.com/openapi.do?keyfrom=treasure&key=1383408303&type=data&doctype=xml&version=1.1&q=good");            }        });    }}

Android程式開發之網路通訊（一）： 使用Http的Get方式讀取網路資料