loginclservlet.java

简单的M2样式

package com.qs.controller;

import java.io.IOException;

import com.qs.model.*;

import java.util.*;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@SuppressWarnings("serial")
public class LoginClServlet extends HttpServlet {

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
			
			String u=request.getParameter("username");
			String p=request.getParameter("passwd");
			UserBeanCl ubc=new UserBeanCl();
			if(ubc.checkUser(u, p)){
				
				ArrayList al=ubc.getUserByPage(1);
				int pageCount=ubc.getPageCount();
				
				request.setAttribute("result", al);
				request.setAttribute("pageCount", pageCount+"");
				request.setAttribute("pageNow","1");
				
				request.getRequestDispatcher("wel.jsp?user="+u).forward(request, response);
			}
			else{
				request.getRequestDispatcher("login.jsp").forward(request, response);
			}
		
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		this.doGet(request, response);
	}

}