C:\Users\Administrator>mysql -h localhost -P 3390 -uroot -p （-P 后面是端口号，P是大写字母） Enter password: ********* Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 55 Server version: 5.6.21-log MySQL Community Server (GPL) Copyright (c) 2000, 2014,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>