一、用root登录 二、 GRANT ALL PRIVILEGES ON *.* TO admin@ '%' IDENTIFIED BY 'admin' ; ALL PRIVILEGES 为可以执行的操作,如:select, insert, update, deletc,create 等一系列权限, 如果只允许用户执行,查操作,可以写作: GRANT SELECT ON *.* TO u
一、用root登录
二、GRANT ALL PRIVILEGES ON *.* TO admin@'%' IDENTIFIED BY 'admin';
ALL PRIVILEGES 为可以执行的操作,如:select, insert, update, deletc,create 等一系列权限,
如果只允许用户执行,查操作,可以写作:GRANT SELECT ON *.* TO user1@'%' IDENTIFIED BY '123456'; 用户user1 密码123456 可以从任意电脑连接到服务器,只能执行查询操作。
*.*为可以操作所有数据库与表,如要操作"web"数据库的"user"表,可以写成:web.user
admin@'%'为要添加的用户名 admin, @ 后为登录限制 %为可以任意电脑远程使用这个账号连接到服务器上,
admin@x,y,z,w 此格式为IP限制,如;admin@192.168.1.2 ,只允许从192.168.1.2的机器连接到服务器上,
BY 'admin' 这是密码,如果要设置为空密码,写作:BY '';即可。

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Adding MySQL users through the PHP web interface can use MySQLi extensions. The steps are as follows: 1. Connect to the MySQL database and use the MySQLi extension. 2. Create a user, use the CREATEUSER statement, and use the PASSWORD() function to encrypt the password. 3. Prevent SQL injection and use the mysqli_real_escape_string() function to process user input. 4. Assign permissions to new users and use the GRANT statement.

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