1、C:\Program Files (x86)\MySQL\mysql-5.5.33-win32\bin>net stop mysqlMySQL 服务正在停止.MySQL 服务已成功停止。2、C:\Program Files (x86)\MySQL\mysql-5.5.33-win32\bin>mysqlERROR 2003 (HY000): Can't connect to MySQL server on 'localhost' (10061)3、C:\Program Files (x86)\MySQL\mysql-5.5.33-win32\bin>net start mysqlMySQL 服务正在启动 .MySQL 服务已经启动成功。4、C:\Program Files (x86)\MySQL\mysql-5.5.33-win32\bin>mysqlWelcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 1Server version: 5.5.33 MySQL Community Server (GPL)Copyright (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>启动mysql出现ERROR 2003问题是因为mysql服务没有启动，或者以前的mysql服务没有使用mysqld.exe -remove删除，而重新安装mysql的路径改变了。