mysql通過 GRANT 授予權限 , REVOKE 撤銷權限 授予用戶權限: grant all privileges on 層級 to 用戶名@主機 identified by '密碼'; 授予wang用戶全局級全部權限: grant all privileges on *.* to 'wang'@'%' identified by 'wang'; 授予wang用戶針對xsgl數據庫全部權限: grant all privileges on xsgl.* to 'wang'@'%' identified by 'wang'; 刪除一個用戶權限:(小寫) REVOKE ALL PRIVILEGES FROM 用戶名; 舉例: 撤銷wang用戶的全部權限: REVOKE ALL PRIVILEGES FROM wang;