Navicat连接不上MySQL解决

分享Navicat连接不上MySQL解决方法。[root@localhost init.d]# pwd
/etc/init.d
[root@localhost init.d]# mysql -u root -p
Enter password:
ERROR 1045 （28000）: Access denied for user "root"@"localhost" （using password: YES）
[root@localhost init.d]# mysql -u -p
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 38
Server version: 5.6.34 MySQL Community Server （GPL）Copyright （c） 2000, 2016, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.Type "help;" or "h" for help. Type "c" to clear the current input statement.mysql>在本机上可以登录数据库，但是用Navicat一直连不上MySQL。用下文方法中的“授权法”后，Navicat就连上了。报错:1130-host ... is not allowed to connect to this MySql server 开放mysql远程连接不使用localhost解决方法：1。改表法。可能是你的帐号不允许从远程登陆，只能在localhost。这个时候只要在localhost的那台电脑，登入mysql后，更改 "mysql" 数据库里的 "user" 表里的 "host" 项，从"localhost"改称"%"mysql -u root -pvmwaremysql>use mysql;mysql>update user set host = "%" where user = "root";mysql>select host, user from user;2. 授权法。例如，你想myuser使用mypassword从任何主机连接到mysql服务器的话。GRANT ALL PRIVILEGES ON *.* TO "myuser"@"%" IDENTIFIED BY "mypassword" WITH GRANT OPTION;FLUSH PRIVILEGES;如果你想允许用户myuser从ip为192.168.1.6的主机连接到mysql服务器，并使用mypassword作为密码GRANT ALL PRIVILEGES ON *.* TO "myuser"@"192.168.1.3" IDENTIFIED BY "mypassword" WITH GRANT OPTION;FLUSH PRIVILEGES;如果你想允许用户myuser从ip为192.168.1.6的主机连接到mysql服务器的dk数据库，并使用mypassword作为密码GRANT ALL PRIVILEGES ON dk.* TO "myuser"@"192.168.1.3" IDENTIFIED BY "mypassword" WITH GRANT OPTION;FLUSH PRIVILEGES;我用的第一个方法,刚开始发现不行,在网上查了一下,少执行一个语句 mysql>FLUSH RIVILEGES 使修改生效.就可以了另外一种方法,不过我没有亲自试过的,在csdn.net上找的,可以看一下.在安装mysql的机器上运行：1、d:mysqlin>mysql -h localhost -u root //这样应该可以进入MySQL服务器2、mysql>GRANT ALL PRIVILEGES ON *.* TO "root"@"%" WITH GRANT OPTION //赋予任何主机访问数据的权限3、mysql>FLUSH PRIVILEGES //修改生效4、mysql>EXIT //退出MySQL服务器这样就可以在其它任何的主机上以root身份登录啦！本文永久更新链接地址