文件名称：购物车源码
文件大小：1KB
文件格式：JAVA
更新时间：2018-05-28 15:36:47
购物车页面
购物车模块登录页面package com filter; import java io IOException; import javax servlet Filter; import javax servlet FilterChain; import javax servlet FilterConfig; import javax servlet RequestDispatcher; import javax servlet ServletException; import javax servlet ServletRequest; import javax servlet ServletResponse; import javax servlet http HttpServletRequest; import javax servlet http HttpSession; public class LoginFilter implements Filter { private FilterConfig fc; public void doFilter ServletRequest sRequest ServletResponse sResponse FilterChain chain throws IOException ServletException { HttpServletRequest request HttpServletRequest sRequest; String whichsubmit request getParameter "whichsubmit" ; if whichsubmit null { HttpSession session request getSession ; Object loginer session getAttribute "loginer" ; if loginer null|| loginer instanceof com valuebean UserBean { 如果没有登录 RequestDispatcher rd request getRequestDispatcher " login jsp" ; rd forward request sResponse ; } else 如果已经登录 chain doFilter sRequest sResponse ; 继续向下执行 } else chain doFilter sRequest sResponse ; } public void init FilterConfig fc throws ServletException { this fc fc; } public void destroy { this fc null; } }">购物车模块登录页面package com filter; import java io IOException; import javax servlet Filter; import javax servlet FilterChain; import javax servlet FilterConfig; import javax servlet RequestDispatcher; import javax servlet ServletException; import javax servlet ServletRequest; import ja [更多]