xyc
2025-02-21 664db98c9e8595ce4dd636a27f480e3a08b81ff5
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 
<mapper namespace="com.zt.life.sys.dao.SysUserRegDao">
 
    <select id="existUsername" resultType="java.lang.Integer">
        select count(1)
        from sys_user a
        <where>
            is_delete = 0
            <if test="whereSql!=null">
               and user_name = #{username}
            </if>
        </where>
    </select>
 
    <update id="test">
        update sys_user set real_name = #{realName} where username = #{userName}
    </update>
 
</mapper>