java 拦截指定jsp_[Java教程]自定义拦截器Jsp

[Java教程]自定义拦截器Jsp

0

-09-27 08:00:21

SessionFilter:

package com.duocy.util;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

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 com.duocy.bean.Client;

import com.duocy.bean.Emp;

public class SessionFilter implements Filter {

//需要定义系统页面访问中可放行的连接

private List list = new ArrayList();

public void init(FilterConfig arg0) throws ServletException {

//定义前台不被拦截的页面

list.add("/index.html");

list.add("/login.html");

list.add("/register.jsp");

list.add("/customer-case.html");

list.add("/product-show.html");

list.add("/solutions.html");

list.add("/getFindkey.jsp");

//定义管理后台不被拦截的页面

list.add("/admin/login.html");

list.add("/admin/assets");

}

public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,FilterChain chain) throws IOException, ServletException {

HttpServletRequest request = (HttpServletRequest) servletRequest;

HttpServletResponse response = (HttpServletResponse) servletResponse;

//1、获取页面中的访问的路径连接

String path = request.getServletPath();

if(list!=null && list.contains(path)){

//如果页面中获取的访问连接于定义的可放行的连接一致，则放行

chain.doFilter(request, response);

return;

}

//2、从session(globle_user)对象中获取当前登录的用户

Client client = (Client) request.getSession().getAttribute("LoginClient");

Emp emp = (Emp) request.getSession().getAttribute("LoginEmp");

if(client!=null){

//如果从session中获取的用户对象不为空，则放行

chain.doFilter(request, response);

return;

}else{

//如果不满足条件1和2，则不能放行，回到客户登录页面

response.sendRedirect(request.getContextPath()+"/login.html");

return;

}

/*if(emp!=null) {

//如果从session中获取的用户对象不为空，则放行

chain.doFilter(request, response);

return;

}else {

//如果不满足条件1和2，则不能放行，回到管理登录页面

response.sendRedirect(request.getContextPath()+"/EmpCheackLogin");

return;

}*/

}

public void destroy() {

}

}

web.

SessionFilter

com.duocy.util.SessionFilter

SessionFilter

*.jsp

10

个人记录之用！

本文网址：/a/417870.html

*特别声明：以上内容来自于网络收集，著作权属原作者所有，如有侵权，请联系我们：admin@。

JS

0