mysqL 语句：select examlist_name as name,from_UNIXTIME(examlist_kaoshiriqi,'%Y-%m-%d') as kaoshiriqi,from_unixtime(examlist_baomingriqi '%Y-%m-%d') as baomingriqi,examlist_belong as belong from dede_examlist where examlist_kaoshiriqi>unix_timestamp()； 查询的结果为：
String sqlCount="select count(*) from usertable where username='"+ userName+"'";这句话 什么意思啊！ 这句话输出出来就是 select count(*) from usertable where username='你的变量 ......
