UserName LastLoginTime TotalVisitCount + (字段) YearVisitCount
//程序逻辑 if(LastLoginTime.Year ==Datetime.Now.Year) YearVisitCount +=1 ; else YearVisitCount =0;
统计当年登陆次数
原文：http://www.cnblogs.com/kunlunmountain/p/5192334.html
