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SQL_MD5加密

悄然丝语 2022-04-07 阅读 60
sql

SQL_MD5加密

-- ==========测试MD5加密=========
CREATE TABLE `testmd5`(
	`id` INT(4) NOT NULL,
	`name` VARCHAR(20) NOT NULL,
	`pwd` VARCHAR(50) NOT NULL,
	PRIMARY KEY(`id`)
)ENGINE = INNODB DEFAULT CHARSET = utf8

-- 明文密码
INSERT INTO testmd5 VALUES(1,'张三','123456'),(2,'李四','123456'),(3,'王五','123456')

-- 加密
UPDATE testmd5 SET pwd=MD5(pwd) WHERE id = 1

UPDATE testmd5 SET pwd=MD5(pwd)

-- 插入的时候加密
INSERT INTO testmd5 VALUES(4,'赵六',MD5('123456'))

-- 如何校验:将用户传递进来的密码,进行md5加密,然后比对加密后的值
SELECT * FROM testmd5 WHERE `name`='赵六' AND pwd = MD5('123456')

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