
代码1:
package com.ywhttpurlconnection;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.widget.Button;public class YwhttpurlconnectionActivity extends Activity { /** Called when the activity is first created. */private Button btn1 = null;private Button btn2 = null;private Button btn3 = null;private Button btn4 = null;@Overridepublic void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //直接获取数据btn1 = (Button) this.findViewById(R.id.Button01); //GET方式传递btn2 = (Button) this.findViewById(R.id.Button02); //POST方式传递btn3 = (Button) this.findViewById(R.id.Button03);//获取图片btn4 = (Button) this.findViewById(R.id.Button04);btn1.setOnClickListener(new Button.OnClickListener(){ public void onClick(View v) { // TODO Auto-generated method stub Intent intent = new Intent(); intent.setClass(YwhttpurlconnectionActivity.this, showdata.class); Bundle b = new Bundle(); b.putInt("id", 1); intent.putExtras(b); startActivity(intent);} }); btn2.setOnClickListener(new Button.OnClickListener(){ public void onClick(View v) { // TODO Auto-generated method stub Intent intent = new Intent(); intent.setClass(YwhttpurlconnectionActivity.this, showdata.class); Bundle b = new Bundle(); b.putInt("id", 2); intent.putExtras(b); startActivity(intent);} }); btn3.setOnClickListener(new Button.OnClickListener(){ public void onClick(View v) { // TODO Auto-generated method stub Intent intent = new Intent(); intent.setClass(YwhttpurlconnectionActivity.this, showdata.class); Bundle b = new Bundle(); b.putInt("id", 3); intent.putExtras(b); startActivity(intent);} }); btn4.setOnClickListener(new Button.OnClickListener(){ public void onClick(View v) { // TODO Auto-generated method stub Intent intent = new Intent(); intent.setClass(YwhttpurlconnectionActivity.this, showdata.class); Bundle b = new Bundle(); b.putInt("id", 4); intent.putExtras(b); startActivity(intent);} });} }代码2:package com.ywhttpurlconnection;import java.io.BufferedReader;import java.io.DataOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.net.URLEncoder;import android.app.Activity;import android.content.Intent;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.os.Bundle;import android.util.Log;import android.widget.ImageView;import android.widget.TextView;public class showdata extends Activity {private TextView tv = null;private ImageView iv = null;private Bitmap mBitmap = null;@Overridepublic void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.http); Intent intent = this.getIntent(); Bundle b = intent.getExtras(); int id = b.getInt("id"); tv = (TextView) this.findViewById(R.id.TextView_HTTP); iv = (ImageView) this.findViewById(R.id.ImageView01); //直接获取数据if (id == 1) { // String httpUrl = "http://192.168.0.132:8080/Android/http.jsp";String httpUrl = "http://www.jb-aptech.com.cn"; URL url = null;try { url = new URL(httpUrl);} catch (MalformedURLException e) { e.printStackTrace();}if (url != null) { try {// 打开连接,此处只是创建一个实例,并没有真正的连接HttpURLConnection urlConn = (HttpURLConnection) url.openConnection(); // 连接urlConn.connect();InputStream input = urlConn.getInputStream();InputStreamReader inputReader = new InputStreamReader(input);BufferedReader reader = new BufferedReader(inputReader);String inputLine = null;StringBuffer sb = new StringBuffer();while ((inputLine = reader.readLine()) != null) { sb.append(inputLine).append("
");}reader.close();inputReader.close();input.close(); urlConn.disconnect();if(sb !=null){ tv.setText(sb.toString());}else{ tv.setText("读取的内容:NULL");} } catch (IOException e) {e.printStackTrace(); }}else{ Log.i("TAG", "url is null");}}else if(id==2){//GET方式传递// String httpUrl = "http://192.168.0.132:8080/Android/httpreq.jsp?par=hk";String httpUrl = "http://liveat.acewill.cn/liveat/?cmd=1&uid=xiaoming";URL url = null;try { url = new URL(httpUrl);} catch (MalformedURLException e) { e.printStackTrace();}if (url != null) { try {HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();// 打开连接,此处只是创建一个实力,并没有真正的连接urlConn.setDoInput(true);urlConn.setDoOutput(true);urlConn.connect();// 连接InputStream input = urlConn.getInputStream();InputStreamReader inputReader = new InputStreamReader(input);BufferedReader reader = new BufferedReader(inputReader);String inputLine = null;StringBuffer sb = new StringBuffer();while ((inputLine = reader.readLine()) != null) { sb.append(inputLine).append("
");}reader.close();inputReader.close();input.close();urlConn.disconnect();if(sb !=null){ tv.setText(sb.toString());}else{ tv.setText("读取的内容:NULL");} } catch (IOException e) {e.printStackTrace(); }}else{ Log.i("TAG", "url is null");} }else if(id==3){//POST方式传递// String httpUrl = "http://192.168.0.132:8080/Android/httpreq.jsp";String httpUrl = "http://www.jb-aptech.com.cn";URL url = null;try { url = new URL(httpUrl);} catch (MalformedURLException e) { e.printStackTrace();}if (url != null) { try {HttpURLConnection urlConn = (HttpURLConnection) url.openConnection();// 打开连接,此处只是创建一个实例,并没有真正的连接urlConn.setDoInput(true);urlConn.setDoOutput(true);urlConn.setRequestMethod("POST");urlConn.setUseCaches(false);//post请求不能使用缓存.urlConn.setInstanceFollowRedirects(true);//是否自动重定向.urlConn.connect();// 连接OutputStream out = urlConn.getOutputStream();DataOutputStream data = new DataOutputStream(out);data.writeBytes("par="+URLEncoder.encode("hk", "GBK"));data.flush();data.close();out.close();InputStream input = urlConn.getInputStream();InputStreamReader inputReader = new InputStreamReader(input);BufferedReader reader = new BufferedReader(inputReader);String inputLine = null;StringBuffer sb = new StringBuffer();while ((inputLine = reader.readLine()) != null) { sb.append(inputLine).append("
");}reader.close();inputReader.close();input.close();urlConn.disconnect();if(sb !=null){ tv.setText(sb.toString());}else{ tv.setText("读取的内容:NULL");} } catch (IOException e) {e.printStackTrace(); }}else{ Log.i("TAG", "url is null");} }else if(id==4){ String httpUrl = "http://www.google.com.hk/intl/zh-CN/images/logo_cn.gif";URL url = null;try { url = new URL(httpUrl);} catch (MalformedURLException e) { e.printStackTrace();}if (url != null) { try {// 打开连接,此处只是创建一个实例,并没有真正的连接HttpURLConnection urlConn = (HttpURLConnection) url.openConnection(); urlConn.connect();// 连接InputStream input = urlConn.getInputStream();mBitmap = BitmapFactory.decodeStream(input);if(mBitmap != null){ iv.setImageBitmap(mBitmap);} } catch (IOException e) {e.printStackTrace(); }}else{ Log.i("TAG", "url is null");} }} } 代码3:<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.ywhttpurlconnection" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="10" /> <uses-permission android:name="android.permission.INTERNET"/> <applicationandroid:icon="@drawable/ic_launcher"android:label="@string/app_name" ><activity android:label="@string/app_name" android:name=".YwhttpurlconnectionActivity" > <intent-filter ><action android:name="android.intent.action.MAIN" /><category android:name="android.intent.category.LAUNCHER" /> </intent-filter></activity> <activity android:name=".showdata"></activity></application></manifest>代码4:http.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TextViewandroid:id="@+id/TextView_HTTP"android:layout_width="fill_parent"android:layout_height="wrap_content"/><ImageViewandroid:id="@+id/ImageView01"android:layout_width="172dp"android:layout_height="307dp" > </ImageView></LinearLayout>代码5.mail.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <TextViewandroid:layout_width="fill_parent"android:layout_height="wrap_content"android:text="@string/hello" /><Button android:text="直接获取数据" android:id="@+id/Button01" android:layout_width="fill_parent" android:layout_height="wrap_content"></Button><Button android:text="GET方式传递" android:id="@+id/Button02" android:layout_width="fill_parent" android:layout_height="wrap_content"></Button><Button android:text="POST方式传递" android:id="@+id/Button03" android:layout_width="fill_parent" android:layout_height="wrap_content"></Button><Button android:text="获取图片" android:id="@+id/Button04" android:layout_width="fill_parent" android:layout_height="wrap_content"></Button> </LinearLayout>6.运行结果
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持脚本之家。