当把Flutter环境变量配置之后,打开cmd输入:flutter 出现如下错误: 'MySQL' is not recognized as an internal or external command, operable program or batch file. 'MySQL' is not recognized as an internal or external command, operable program or batch file. 'where' is not recog
cmd 下java -version出现错误:“could not open `D:\Java\jre7\lib\amd64\jvm.cfg”,出现这种错误可能是由于先前有安装老版本jdk,之后将新版本jdk直接复制替换导致的,通过exe程序安装的时候,会将java.exe.javaw.exe.javaws.exe 复制到c:/windows/system32下,因此需要删除这几个exe文件: c:/windows/system32/java.exe c:/windows/system32/ja