select * from user_extend where `unique` in(
‘mark.liu@xxxx.com‘,
‘jason.gan@xxxx.com‘,
‘ssgao@xxxx.com‘,
‘andymrlu@xxxx.com‘
)
order by field(`unique`,‘mark.liu@xxxx.com‘,
‘jason.gan@xxxx.com‘,
‘ssgao@xxxx.com‘,
‘andymrlu@xxxx.com‘
) ;
原文：http://www.cnblogs.com/duanweishi/p/7514186.html