摘要: 1 #是将传入的值当做字符串的形式,eg:select id,name,age from student where id =#{id},当前端把id值1,传入到后台的时候,就相当于 select id,name,age from student where id ='1'. 2 $是将传入的数据直 阅读全文
posted @ 2016-10-28 14:48 NAYNEHC 阅读(92127) 评论(5) 推荐(15)