例：MYSQL安装在E:/Program Files/xampp/mysql下
1:开始==>运行==>cmd
2: e: //进入E盘
3: E:/>cd Programe Files //进入Programe Files根目录
4： E:/Programe Files/ cd xampp
5: E:/Programe Files/xampp/ cd mysql
6: E:/Programe Files/xampp/mysql/ cd bin
7: E:/Programe Files/xampp/mysql /bin/mysql -h localhost -uroot -p