SELECT userid, username, INSERT(phone,4,4,'****') AS phoneNum FROM hj_user;
表达式:select+字段名.......+insert(手机号字段名,从第几位开始,替换几位,替换字符) as phoneNum from +表名;
效果:183****1088
SELECT userid, username, INSERT(phone,4,4,'****') AS phoneNum FROM hj_user;
表达式:select+字段名.......+insert(手机号字段名,从第几位开始,替换几位,替换字符) as phoneNum from +表名;
效果:183****1088