insert into user (user_id,user_name,create_time) values (#{userId},#{userName},#{createTime}) update user set user_name=#{userName},create_time=#{createTime} where user_id = #{userId} delete from user where user_id = #{userId} select user_id , user_name ,create_time from user select count(*) from user select user_id , user_name ,create_time from user where user_id = #{userId} insert into user (user_id,user_name,create_time) VALUES (#{item.userId},#{item.userName},#{item.createTime}) insert into user (user_id,user_name,create_time) VALUES (#{item.userId},#{item.userName},#{item.createTime}) delete from user where user_id in #{item} select * from user where user_id in #{item} update user user_name = #{item.userName} , create_time = #{item.createTime} where user_id = #{item.userId} select * from user limit #{startRow},#{pageSize}