直接贴代码:
第一步:判断如果Sessoin为空,返回前台信息(红色代码)
protected override void OnActionExecuting(ActionExecutingContext filterContext) {
if (HttpContext.Request.Url.ToString().IndexOf("ValidCode") != -1 || HttpContext.Request.Url.ToString().IndexOf("Login") != -1) { base.OnActionExecuting(filterContext); return; } if (CurMemberCache.Id == 0 && HttpContext.Request.Url.ToString().ToLower().IndexOf("loginpage") == -1) { if (filterContext.HttpContext.Request.IsAjaxRequest()) {
//Session为空时,返回为空的报错信息 Response.AppendHeader("sessionstatus","zhongtouhangsettionTimeout"); Response.End(); } else { filterContext.Result = RedirectToAction("LoginPage","HomeDesk",new { url = Request.Url.ToString().ToLower() }); } } else { if ((Session["AllowNid"] == null || Convert.ToInt32(Session["AllowNid"]) != CurNavigationId) && HttpContext.Request.Url.ToString().IndexOf("CommonPage") == -1 && HttpContext.Request.Url.ToString().IndexOf("HomeDesk") == -1) { filterContext.Result = RedirectToAction("ErJiPwdPage","CommonPage",new { url = Request.Url.ToString().ToLower() }); } base.OnActionExecuting(filterContext); }
}
第二步,修改jQuery的Ajax方法,代码如下:
function done(status,nativeStatusText,responses,headers) { //TODO:修改jQuery,当Ajax请求时,如果Session已过期,那么,跳转到登录页 if (headers.indexOf("zhongtouhangsettionTimeout") != -1) { alert("登录超时,请重新登录!"); window.location = '/HomeDesk/LoginPage'; return null; } (编辑:李大同)
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