logon.java

北大Java 语言程序设计 ppt课件及源码

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class Logon extends HttpServlet {
    
    public void doPost(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {
        response.setContentType("text/html;gb2312");
        
	    PrintWriter out = new PrintWriter(response.getOutputStream());

		String username=request.getParameter("UserName");
		username=new String(username.getBytes("ISO-8859-1"),"GB2312");

		System.out.println("in Logon, username:"+username);

	     //Http请求重定向
	    String uri="servlettwo";
		RequestDispatcher rd=request.getRequestDispatcher(uri);
	    rd.forward(request,response);
	    //或者另一种方法：
		//response.sendRedirect(uri);
		out.close();


    }
   
    
}