loginclservlet.java

课程管理系统

package cn.rludrea.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;

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

import cn.rludrea.model.CourseBeanBO;
import cn.rludrea.model.studentBeanBO;

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 {

		response.setContentType("text/html");
		response.setCharacterEncoding("utf-8");
		PrintWriter out = response.getWriter();
		
		String stuName=request.getParameter("stuName");
		String stuPwd=request.getParameter("stuPwd");
		
		studentBeanBO sbo=new studentBeanBO();
		CourseBeanBO cbo=new CourseBeanBO();
		
		if(sbo.LoginCheak(stuName, stuPwd))
		{
			ArrayList al=new ArrayList();
			al=cbo.getCourseByPage(6, 1);
			request.setAttribute("al", al);
			int pageCount=cbo.getPageCount(6);
			String s_pageCount=pageCount+"";
			request.setAttribute("pageCount", s_pageCount);
			String hide="1";
			request.getSession().setAttribute("hide", hide);
			request.getSession().setAttribute("stuName", stuName);			
			request.getRequestDispatcher("showCourse.jsp").forward(request, response);
		}
		else
		{
			request.setAttribute("type", "studentIndex.jsp");
			request.getRequestDispatcher("fail.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);
	}

}