listviewclservlet.java

课程管理系统

package cn.rludrea.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import cn.rludrea.model.*;

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

public class ListViewClServlet 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 type=request.getParameter("type");
		if(type.equals("view"))
		{
			ArrayList al=new ArrayList();		
			listViewBeanBO lbo=new listViewBeanBO();
			int pageNow=1;
			String s_pageNow=request.getParameter("pageNow");
			if(s_pageNow!=null)
			{
				pageNow=Integer.parseInt(s_pageNow);
			}
			al=lbo.getListByPage(6, pageNow);
			request.setAttribute("al", al);			
			request.getRequestDispatcher("listView.jsp").forward(request, response);
		}
		else if(type.equals("addList"))
		{
			String listName=request.getParameter("listName");
			String listEmail=request.getParameter("listEmail");
			String listContent=request.getParameter("listContent");
			listViewBeanBO lbo=new listViewBeanBO();
			if(lbo.addList(listEmail, listName, listContent))
			{
				ArrayList al=new ArrayList();					
				al=lbo.getListByPage(6, 1);
				request.setAttribute("al", al);
				request.getRequestDispatcher("listView.jsp").forward(request, response);
			}
			else
			{
				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);
	}

}