httpget

来源：互联网发布：网站域名备案查询系统编辑：程序博客网时间：2024/05/16 15:12

package com.example.httpget;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.net.MalformedURLException;import java.net.URL;import java.net.URLConnection;import java.sql.Connection;import android.annotation.SuppressLint;import android.annotation.TargetApi;import android.app.Activity;import android.os.Build;import android.os.Bundle;import android.os.StrictMode;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.TextView;public class MainActivity extends Activity{private Button getDate;private TextView view;private String strDate="";    @SuppressLint("NewApi")    @TargetApi(Build.VERSION_CODES.GINGERBREAD)    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        //获取网络数据耗时处理        if (android.os.Build.VERSION.SDK_INT > 9) {             StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();             StrictMode.setThreadPolicy(policy);            }        getDate=(Button) findViewById(R.id.getDate);        view=(TextView) findViewById(R.id.txtdate);        getDate.setOnClickListener(new OnClickListener() {                        @Override            public void onClick(View v) {                try {                    URL url=new URL("http://fanyi.youdao.com/openapi.do?keyfrom=nnddkj2015&key=1486965503&type=data&doctype=xml&version=1.1&q=good ");                    URLConnection connection=url.openConnection();//建立网络连接                    InputStream is=connection.getInputStream();//获取网络输入流                    InputStreamReader isr=new InputStreamReader(is,"utf-8");//接收网络字条集转字符                    BufferedReader br=new BufferedReader(isr);//为输出创建BufferedReader                    String line="";                    //循环读取数据                    while((line=br.readLine())!=null)                    {                        strDate+=line+"\n";                                            }                    line="";                    is.close();                    isr.close();                    br.close();                                        if(strDate!="")                    {                    Log.e("GET", strDate);                    view.setText(strDate);                    }                    else                    {                        Log.e("GET","获取数据为空");                        view.setText("获取数据为空");                                            }                } catch (MalformedURLException e) {                    // TODO Auto-generated catch block                    e.printStackTrace();                } catch (IOException e) {                    // TODO Auto-generated catch block                    e.printStackTrace();                }            }        });                }}

以下是配制文件中的代码如下：

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.httpget"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="8"        android:targetSdkVersion="17" /><uses-permission android:name="android.permission.INTERNET"/>    <application        android:allowBackup="true"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name="com.example.httpget.MainActivity"            android:label="@string/app_name" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application></manifest>

domo下载：http://download.csdn.net/detail/u013519290/9151495

0 0