How to solve the problem of session expiration in JSP by jumping to the login page and jumping out of the iframe-PHP开发-php.cn

When the session expires, you can use filters to set up redirect pages

public class ActionFilter extends HttpServlet implements Filter { private FilterConfig filterConfig; public void init(FilterConfig config) { this.filterConfig = config; } public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws ServletException, IOException { HttpServletRequest req = (HttpServletRequest) servletRequest; servletRequest.setCharacterEncoding(“UTF-8″); HttpServletResponse res = (HttpServletResponse) servletResponse; String url = req.getRequestURI(); SysUserVOImpl user = (SysUserVOImpl) req.getSession().getAttribute(“SysUser”); if (null == user) { if (!COMMON.isEmpty(url) && (url.endsWith(“newestlogin.jsp”) || url.endsWith(“UserLoginAction.jsp”) || url.endsWith(“login.jsp”) || url.endsWith(“loginAction.do”))) { filterChain.doFilter(servletRequest, servletResponse); } else { req.getRequestDispatcher(“/newestlogin.jsp”).forward(req, res); } } else { filterChain.doFilter(servletRequest, servletResponse); } }

Copy after login

, but this will not allow you to jump out of iframes and other frames.
Can be solved with javaScript

Add the following code between the page you want to control the jump to, such as login.jsp betweenand

Copy after login

JS Refresh Frame Script Statement

//如何刷新包含该框架的页面用  //子窗口刷新父窗口  (　或　刷新 ) //如何刷新另一个框架的页面用  如果想关闭窗口时刷新或者想开窗时刷新的话，在中调用以下语句即可。  开窗时刷新  关闭时刷新

Copy after login

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