Automatically configure the java environment bat

@echo off
color 0a
echo.------------------------------------
echo.TODO:set environment
echo.------------------------------------
::如果有的话，先删除JAVA_HOME
wmic ENVIRONMENT where "name='JAVA_HOME'" delete
::如果有的话，先删除ClASSPATH 
wmic ENVIRONMENT where "name='CLASSPATH'" delete
::创建JAVA_HOME VariableValue 后面是JDK的安装路径,自行更改
 wmic ENVIRONMENT create name="JAVA_HOME",username="<system>",VariableValue="C:\Program Files\Java\jdk1.8.0_131"
::增加PATH中关于java的环境变量
 wmic ENVIRONMENT where "name='path' and username='<system>'" set VariableValue="%path%;%%JAVA_HOME%%\bin;%%JAVA_HOME%%\jre\bin" 
::创建CLASSPATH 此项可加可不加
::wmic ENVIRONMENT create name="CLASSPATH",username="<system>",VariableValue=".;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;" 
pause

Copy the above content and store it in the bat file