testhttp.java

来自「Java ME手机应用开发大全一书的配套光盘上的源码」· Java 代码 · 共 41 行

//程序名TestHTTP.java;
import javax.microedition.midlet.*;
import javax.microedition.io.*;
import java.io.*;

public class TestHTTP extends MIDlet {
	public void startApp() {
    try {
      testHttpConnection();//调用连接HTTP服务器的方法
    } catch (IOException e) {
      System.out.println("error.");
    }
		notifyDestroyed();//测试完毕后关闭应用程序
	}
  //定义连接HTTP服务器的方法
  void testHttpConnection() throws IOException{
    try {
	  //声明连接的URL
      String uri ="http://localhost:8080/test.html";
	  //创建并打开连接
      HttpConnection conn = (HttpConnection)Connector.open( uri );
	  //创建连接的输入流
      InputStream in = conn.openInputStream();
      int ch;
	  //读取并显示连接的页面
      while( ( ch = in.read() ) != -1 ){
        System.out.print( (char) ch );
      }
      in.close();
      conn.close();
    } catch( ConnectionNotFoundException e ){
      System.out.println( "Http could not be opened" );
    }
  }

	public void pauseApp() {
	}

	public void destroyApp( boolean unconditional ) {
	}
}