【文件属性】：
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]