小说网站签约作者应该怎么做,wordpress如何做301跳转,温州英文seo,凡科小程序建站官网最近在做mysql 多实例的时候#xff0c;采用不同的方式登录mysql数据库#xff0c;发现mysql -uroot -p -h 127.0.0.1 -P3308 #xff0c;登录时居然不要密码就可以登录#xff0c;吓得我一身汗#xff0c;经过检查终于找到原因记录下来#xff0c;给小白们参考。[rootmy…最近在做mysql 多实例的时候采用不同的方式登录mysql数据库发现mysql -uroot -p -h 127.0.0.1 -P3308 登录时居然不要密码就可以登录吓得我一身汗经过检查终于找到原因记录下来给小白们参考。[rootmysql ~]# mysql -uroot -p -S /data/3308/mysql.sockEnter password: #需要输入密码Welcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 23Server version: 5.5.32-log Source distributionCopyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type help; or \h for help. Type \c to clear the current input statement.mysql select current_user();----------------| current_user() |----------------| rootlocalhost |----------------1 row in set (0.00 sec)*******************************************************************[rootmysql ~]# mysql -uroot -p -h 127.0.0.1 -P3308Enter password: #不需要输入密码直接回车登录Welcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 24Server version: 5.5.32-log Source distributionCopyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type help; or \h for help. Type \c to clear the current input statement.mysqlmysql select current_user();----------------| current_user() |----------------| root127.0.0.1 |----------------1 row in set (0.00 sec)不要密码登录原因登录数据库查看密码mysql select user,host,password from mysql.user;------------------------------------------------------------| user | host | password |------------------------------------------------------------| root | localhost | *FE28814B4A8B3309DAC6ED7D3237ADED6DA1E515 || root | mysql | || root | 127.0.0.1 | || root | ::1 | || | localhost | || | mysql | || tom | % | *71FF744436C7EA1B954F6276121DB5D2BF68FC07 || tom1 | % | *36B46F2410B8A8E6E1DC6952C5C26929FDC07421 || tom2 | % | *FEF6FE64F2588DC11E69F0DC5A704E231D1AAEFC || tom | localhost | *71FF744436C7EA1B954F6276121DB5D2BF68FC07 |------------------------------------------------------------10 rows in set (0.00 sec)总结第一种方式登录后用户是 rootlocalhost第二种方式登录后用户是root127.0.0.1 查看数据库发现rootlocalhost没有设置密码所以使用第一种方式登录不需要输入密码。