@echo off title mysql ::从注册表找到Mysql的安装路径写入文件mysql.txt reg query HKLMSYSTEMControlSet001ServicesMySQL | find /I "ImagePath">C:mysql.txt if %errorlevel% neq 0 ( echo MySQL not found pause exit ) ::以”为分隔符，截取第二段内容保存到变量mysqlPath FOR /F tokens^=2^ delims^=^" %%i in (C:mysql.txt) do set mysqlPath=%%i del C:mysql.txt /f ::路径中/替换为 set mysqlPath=%mysqlPath:/=% ::删除路径最后一个字符（该字符不可见，可能是回车换行之类的） set mysqlPath=%mysqlPath:~0,-1% :BACKTOMAIN ::取得路径最后一个字符看等不等于 set character=%mysqlPath:~-1,1% ::如果最后一个字符不等于，那么跳转到GETPATH删除mysqlPath的最后一个字符 if not %character% == goto GETPATH ::进入mysql安装路径C:Program FilesMySQLMySQL Server 5.0bin cd /d "%mysqlPath%" ::echo %mysqlPath% if %errorlevel% neq 0 ( echo MySQL not found pause exit ) ::禁用mysql服务，跳过权限验证修改密码 taskkill /F /IM mysqld-nt.exe net stop mysql >nul start /b mysqld-nt --skip-grant-tables ping -n 2 127.0.0.1 >nul echo use mysql >c:config.tmp echo update user set password=password("") where user="root";>>C:config.tmp echo flush privileges; >>C:config.tmp echo exit >>C:config.tmp ::因为是交互式，所以从文件读取内容 mysql <C:config.tmp taskkill /F /IM mysqld-nt.exe net stop mysql >nul net start mysql del C:config.tmp /F pause exit ::删除路径最后一个字符，跳回主程序 :GETPATH set mysqlPath=%mysqlPath:~0,-1% goto BACKTOMAIN

如果是用wamp一键安装需要改一些脚本，主要是注册表搜索路径改变，返回值改变，服务名改变了，mysql安装路径变成D:wampbinmysqlmysql5.5.24bin，少了mysqld-nt这个东西，进程里面也没有mysqld-nt.exe

@echo off title mysql reg query HKLMSYSTEMControlSet001Serviceswampmysqld | find /I "ImagePath">C:mysql.txt if %errorlevel% neq 0 ( echo MySQL not found pause exit ) FOR /F "tokens=3 delims= " %%i in (C:mysql.txt) do set mysqlPath=%%i del C:mysql.txt /f set mysqlPath=%mysqlPath:/=% set mysqlPath=%mysqlPath:~0,-1% :BACKTOMAIN set character=%mysqlPath:~-1,1% if not %character% == goto GETPATH cd /d "%mysqlPath%" ::echo %mysqlPath% if %errorlevel% neq 0 ( echo MySQL not found pause exit ) taskkill /F /IM mysqld.exe net stop wampmysqld >nul start /b mysqld -nt --skip-grant-tables ping -n 2 127.0.0.1 >nul echo use mysql >c:config.tmp echo update user set password=password("") where user="root";>>C:config.tmp echo flush privileges; >>C:config.tmp echo exit >>C:config.tmp mysql <C:config.tmp taskkill /F /IM mysqld.exe net stop wampmysqld >nul net start wampmysqld del C:config.tmp /F pause exit :GETPATH set mysqlPath=%mysqlPath:~0,-1% goto BACKTOMAIN

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