parent
a295b4c140
commit
b2d354400a
@ -0,0 +1,100 @@
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package com.example.ceshi;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.net.HttpURLConnection;
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import java.net.MalformedURLException;
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import java.net.URL;d
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import android.app.Activity;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.view.View;
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import android.widget.TextView;
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public class get extends Activity {
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// textview
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private TextView mTextView;
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// handler线程
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private Handler mHandler = new Handler() {
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public void handleMessage(android.os.Message msg) {
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mTextView.setText((String) msg.obj);
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};
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};
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.get);
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// 绑定id
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mTextView = (TextView) findViewById(R.id.a);
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}
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// 联网
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private void getHttp() {
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InputStream stream = null;
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InputStreamReader re = null;
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BufferedReader reader = null;
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try {
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// 找水源
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URL url = new URL("http://www.taobao.com");
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// 建立总闸
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HttpURLConnection conn = (HttpURLConnection) url.openConnection();
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conn.setRequestMethod("GET");
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// 建立水道
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stream = conn.getInputStream();
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// 捕鱼
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// 小渔网
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re = new InputStreamReader(stream);
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// 大渔网
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reader = new BufferedReader(re);
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// 捞鱼
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// 大水桶
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String len = "";
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// 小水桶
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String temp = "";
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while ((temp = reader.readLine()) != null) {
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len += temp;
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}
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// 更新UI
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Message sg = new Message();
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sg.obj = len;
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mHandler.sendMessage(sg);
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} catch (MalformedURLException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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} finally {
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// 晒网,关闭资源
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try {
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if (reader != null) {
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reader.close();
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}
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if (re != null) {
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re.close();
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}
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if (stream != null) {
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stream.close();
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}
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} catch (Exception e2) {
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}
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}
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}
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// 按钮监听
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public void aaa(View v) {
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//新建一个线程
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new Thread() {
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public void run() {
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getHttp();
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};
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}.start();
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}
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}
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@ -1,9 +1,23 @@
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<?xml version="1.0" encoding="utf-8"?>
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<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<WebView
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android:id="@+id/web_view"
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android:layout_width="match_parent"
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android:layout_height="match_parent"/>
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android:layout_height="match_parent"
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tools:layout_editor_absoluteX="61dp"
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tools:layout_editor_absoluteY="86dp">
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<Button
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android:id="@+id/button8"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_x="307dp"
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android:layout_y="666dp"
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android:background="@android:color/holo_orange_light"
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android:text="收藏" />
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</WebView>
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</androidx.constraintlayout.widget.ConstraintLayout>
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@ -0,0 +1,27 @@
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<?xml version="1.0" encoding="utf-8"?>
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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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>
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<Button
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android:id="@+id/a12"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="获取"
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android:onClick="aaa"
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/>
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<ScrollView
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android:layout_below="@id/a12"
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android:layout_width="match_parent"
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android:layout_height="match_parent" >
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<TextView
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android:id="@+id/a"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="获取网址内容" />
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</ScrollView>
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</RelativeLayout>
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