android:HttpURLConnection

android:HttpURLConnection

package com.example.utils;import java.io.ByteArrayOutputStream;import java.io.InputStream;public class StreamTool {public static byte[] readInputStream(InputStream inStream) throws Exception {ByteArrayOutputStream outStream = new ByteArrayOutputStream();// 輸出資料流，寫到記憶體byte[] buffer = new byte[1024];// 1K緩衝區容量int len = 0;while ((len = inStream.read(buffer)) != -1) {outStream.write(buffer, 0, len);// 從數組buffer中讀取從0到len的資料}inStream.close();return outStream.toByteArray();}}

package com.example.image;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.URL;import com.example.utils.StreamTool;public class HtmlService {public static String getHtml(String path) throws Throwable {URL url = new URL(path);HttpURLConnection conn = (HttpURLConnection) url.openConnection();conn.setRequestMethod("GET");conn.setConnectTimeout(5 * 1000);InputStream inStream = conn.getInputStream();// 通過輸入資料流擷取html資料byte[] data = StreamTool.readInputStream(inStream);// 得到的html的位元據String html= new String(data,"utf-8");        return (html);}}

package com.example.image;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends Activity {    private static final String TAG="htmlcodeview";@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_image);TextView textView=(TextView)this.findViewById(R.id.textView);try {textView.setText(HtmlService.getHtml("www.baidu.con"));} catch (Throwable e) {Log.e(TAG, e.toString());Toast.makeText(MainActivity.this, "error", 1).show();}}}// //