/// <summary>
/// 获取当前登录管理员的管理员信息
/// </summary>
/// <returns></returns>
protected Admin GetAdmin()
{
HttpCookie recordCookie = Request.Cookies["sh"];
Admin admin = CacheHelper.GetCache(recordCookie.Value) as Admin;
if (admin == null)
{
//从数据库中查询
AdminRecord record = adminRecordApplication.Get(recordCookie.Value);
if (record == null)
{
return(null);
}
admin = record.Admin;
CacheHelper.SetCache(recordCookie.Value, admin);
}
return(admin);
}
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
base.OnActionExecuting(filterContext);
if (filterContext.ActionDescriptor.GetCustomAttributes(typeof(NoFilter), false).Length > 0)
{
//登录页不使用过滤器
//TODO 检测一下有木有登录记录，有登录记录的话直接登录，否则放行
return;
}
HttpContext context = HttpContext.Current;
HttpCookie recordCookie = context.Request.Cookies["sh"];//said history=>Said登录历史
string recordId = recordCookie == null ? null : recordCookie.Value;
//System.Diagnostics.Debug.Write();
//从缓存读，读不到再从数据库读
if (string.IsNullOrEmpty(recordId))
{
//跳转到登录页
filterContext.Result = new RedirectResult(string.Format("/Back/Home/Login?re={0}", System.Web.HttpUtility.UrlEncode(context.Request.Url.AbsoluteUri)));
return;
}
//没有记录 && 从数据库读不到记录
if (CacheHelper.GetCache(recordId) == null)
{
AdminRecord record = adminRecordApplication.Get(recordId);
if (record != null)
{
CacheHelper.SetCache(recordId, record.Admin);
}
else
{
/*
* 跳转到登录页,RedirectResult参考这篇：http://www.cnblogs.com/artech/archive/2012/08/16/action-result-04.html
* RedirectResult是暂时重定向，搜索引擎不会收录
*/
filterContext.Result = new RedirectResult(string.Format("/Back/Home/Login?re={0}", System.Web.HttpUtility.UrlEncode(context.Request.Url.AbsoluteUri)));
}
}
}