http://www.cnblogs.com/andy_tigger/archive/2012/04/12/2443652.html 通过绕过不需密码

http://www.jb51.net/article/31903.htm  cmd 要注意是管理员权限 

http://blog.csdn.net/u013067166/article/details/49951577

http://blog.csdn.net/ybhjx/article/details/50833420

http://www.cnblogs.com/yuwensong/p/3955834.html mysql导入导出sql

http://www.cnblogs.com/Vitus_feng/archive/2010/05/21/1741262.html

忘记mysqlroot密码/我的电脑 管理服务里面没有mysql启动项/mysql启动不了net start mysql