checkuser.java

实现银行系统中某个部门的计算机设备管理、公共信息管理、权限用户管理、系统设置等,为系统的安全正常运行提供保障

package com.isoftstone.banktearm1.tools;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.isoftstone.banktearm1.vo.BankTeam1EmpVo;

public class CheckUser implements Filter {

	public void destroy() {
		// TODO Auto-generated method stub

	}

	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		HttpServletRequest request=(HttpServletRequest)arg0;
		HttpServletResponse response=(HttpServletResponse)arg1;
		HttpSession session=request.getSession();
		BankTeam1EmpVo empVo=(BankTeam1EmpVo)session.getAttribute("empVo");
		String pageUri=request.getRequestURI();
		
		if(empVo==null&&!pageUri.equals("/BankTeam1/")&&pageUri.indexOf(".gif")==-1&&pageUri.indexOf("Index")==-1&&pageUri.indexOf("Login.jsp")==-1&&pageUri.indexOf("LoginProcess")==-1){
			String errorMessage="您还没有登录,请登录后使用本系统";
			request.setAttribute("errorMessage",errorMessage);
			request.getRequestDispatcher("BankTeam1ErrorPage.jsp").forward(request,response);
		}
		arg2.doFilter(arg0, arg1);
	}

	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub

	}

}