动态sql

"http://mybatis.org/dtd/mybatis-3-mapper.dtd">













select * from students


and students_id = #{id}


and students_name = #{name}


and students_sal = #{sal}






update students


students_name = #{name},


students_sal = #{sal},


where students_id = #{id}



delete from students where students_id in


#{ids}








students_id,


students_name,


students_sal,










#{id},


#{name},


#{sal},






insert into students() values()