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URL url = new URL(path); //获取连接对象 HttpURLConnection conn = (HttpURLConnection) url.openConnection(); //设置连接属性 conn.setRequestMethod("GET"); conn.setConnectTimeout(5000); conn.setReadTimeout(5000); //建立连接,获取响应吗 if(conn.getResponseCode() == 200){ }
byte[] b = new byte[1024]; int len = 0; ByteArrayOutputStream bos = new ByteArrayOutputStream(); while((len = is.read(b)) != -1){ //把读到的字节先写入字节数组输出流中存起来 bos.write(b, 0, len); } //把字节数组输出流中的内容转换成字符串 //默认使用utf-8 text = new String(bos.toByteArray());
//手动指定码表 text = new String(bos.toByteArray(), "utf-8");
public class MainActivity extends Activity { Handler handler = new Handler(){ public void handleMessage(android.os.Message msg) { TextView tv = (TextView) findViewById(R.id.tv); tv.setText((String)msg.obj); } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } public void click(View v){ Thread t = new Thread(){ @Override public void run() { String path = "http://192.168.1.103:8080/baidu.html"; try { URL url = new URL(path); //获取连接对象,此时还未建立连接 HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); conn.setConnectTimeout(5000); conn.setReadTimeout(5000); //先建立连接,然后获取响应码 if(conn.getResponseCode() == 200){ //拿到服务器返回的输入流,流里的数据就是html的源文件 InputStream is = conn.getInputStream(); //从流里把文本数据取出来 String text = Utils.getTextFromStream(is); //发送消息,让主线程刷新ui,显示源文件 Message msg = handler.obtainMessage(); msg.obj = text; handler.sendMessage(msg); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } }; t.start(); } }
public class Utils { public static String getTextFromStream(InputStream is){ byte[] b = new byte[1024]; int len = 0; //创建字节数组输出流,读取输入流的文本数据时,同步把数据写入数组输出流 ByteArrayOutputStream bos = new ByteArrayOutputStream(); try { while((len = is.read(b)) != -1){ bos.write(b, 0, len); } //把字节数组输出流里的数据转换成字节数组 String text = new String(bos.toByteArray()); return text; } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; } }
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原文地址:http://blog.csdn.net/idiandi/article/details/51357123