checkuserpopedom.java

这是一个内容管理系统（CMS）以MVC方式写出,没有使用框架

package servlet;

import java.io.IOException;
import java.io.PrintWriter;

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

/**
 * Servlet implementation class for Servlet: CheckUserPopedom
 *
 */
 public class CheckUserPopedom extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
   static final long serialVersionUID = 1L;
   
    /* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public CheckUserPopedom() {
		super();
	}   	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String page=request.getParameter("page");
		HttpSession session =request.getSession();
		//RequestDispatcher rd=null; 重定向
		String UserName=(String)session.getAttribute("jsjusername");
		String UserPopedom=(String)session.getAttribute("jsjpopedom");
		String UserType=(String)session.getAttribute("jsjusertype");
		PrintWriter out=response.getWriter();		
		if(UserName==null || UserPopedom==null || UserType==null){
			//rd=request.getRequestDispatcher("/admin/admin_login.jsp");
			//rd.forward(request, response);		
			out.print("<script language=javascript>window.open('"+request.getContextPath()+"/jsjadmin/admin_login.jsp"+"','_parent');</script>");   
		}else{
			if(!UserType.trim().equals("issupper")){
				if(!(UserPopedom.indexOf(page.trim())!=-1)){
					out.print("<script   language=javascript>window.open('"+request.getContextPath()+"/jsjadmin/admin_login.jsp"+"','_parent');</script>");   			
				}
			}
		}
	}
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}   	  	    
}