mysql ,MD5盐值加密

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insert into kq_user(user_id,user_name,password,salt_value)
    values('admin','admin','70c3fb494f99ed2a1335d581f5c6aee0','120');

=========================================

select md5(CONCAT('admin','120'))

70c3fb494f99ed2a1335d581f5c6aee0

insert into kq_user(user_id,user_name,password,salt_value)
    values('admin','admin','70c3fb494f99ed2a1335d581f5c6aee0','120');

select * from kq_user;

========================================

select md5(CONCAT(‘120’,‘120’))

70c3fb494f99ed2a1335d581f5c6aee0

insert into kq_user(user_id,user_name,password,salt_value)
values(‘120’,‘120’,‘70c3fb494f99ed2a1335d581f5c6aee0’,‘120’);

select * from kq_user;

========================================

select

    t.user_id userId, t.user_name userName,t.`password` password, t.user_display_name userDisplayName,t.salt_value salt 

from

     kq_user as t 

where

t.password=md5(CONCAT(#{password},t.salt_value)) and
t.user_name=#{userName} limit 0,1

UPDATE

         `kq_user` t

   SET

          t.`password` = md5(#{password}),

t.salt_value = #{userDisplayName}
WHERE
t.user_id = #{userId}

原文：https://blog.csdn.net/m0_37109675/article/details/78062134