Mybatis中运算符解析

博客虽未给出具体内容,但从标签可知与MySQL相关。MySQL是后端开发常用的数据库,在数据存储、管理等方面有重要作用。

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<insert id="insertUser" parameterType="SysUser" useGeneratedKeys="true" keyProperty="userId"> insert into sys_user( <if test="userId != null and userId != 0">user_id,</if> <if test="deptId != null and deptId != 0">dept_id,</if> <if test="userName != null and userName != ''">user_name,</if> <if test="nickName != null and nickName != ''">nick_name,</if> <if test="email != null and email != ''">email,</if> <if test="avatar != null and avatar != ''">avatar,</if> <if test="phonenumber != null and phonenumber != ''">phonenumber,</if> <if test="sex != null and sex != ''">sex,</if> <if test="password != null and password != ''">password,</if> <if test="status != null and status != ''">status,</if> <if test="createBy != null and createBy != ''">create_by,</if> <if test="remark != null and remark != ''">remark,</if> create_time )values( <if test="userId != null and userId != ''">#{userId},</if> <if test="deptId != null and deptId != ''">#{deptId},</if> <if test="userName != null and userName != ''">#{userName},</if> <if test="nickName != null and nickName != ''">#{nickName},</if> <if test="email != null and email != ''">#{email},</if> <if test="avatar != null and avatar != ''">#{avatar},</if> <if test="phonenumber != null and phonenumber != ''">#{phonenumber},</if> <if test="sex != null and sex != ''">#{sex},</if> <if test="password != null and password != ''">#{password},</if> <if test="status != null and status != ''">#{status},</if> <if test="createBy != null and createBy != ''">#{createBy},</if> <if test="remark != null and remark != ''">#{remark},</if> sysdate() ) </insert>中的 sysdate()的原理是什么
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07-18
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