simple.java

抽奖系统

import java.io.*;
import java.net.*;
import java.awt.*;
import javax.swing.*;
import java.lang.*;

public class simple
{
	private void sendform(String para,int i)
	{
		
		try
		{
			URL url = new URL("http://auth.cau.edu.cn/ipgw/ipgw.ipgw");
			URLConnection connection = url.openConnection();
			connection.setDoOutput(true);
			PrintWriter out = new PrintWriter(connection.getOutputStream());
			out.write("uid=030805111&password=lolo&operation=" + para + "&range=" + i + "&timeout=1");
			out.close();
			BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
			String inputLine;
			while ((inputLine = in.readLine()) != null)
			{
				System.out.println(inputLine + "\n");
			}
			in.close();

		}
		catch (Exception e)
		{
			System.out.println("网络连接失败，请检查网络设置！");
		}

	}
	public simple()
	{
		sendform("disconnectall", 3);
		sendform("connect",2);		
	}
	public static void main(String arg[])
	{
		new simple();
	}
}