熊猫循环

Question

我想了解这段代码的工作原理

@echo off
set TMP_CLASSPATH=%CLASSPATH%
cd c:\WorkDir
set CLASSPATH=C:\WorkDir\mayapps.jar
set CLASSPATH=%CLASSPATH%;C:\WorkDir\lib\others.jar

java -cp "%CLASSPATH%"  Main2 -splash:mysplash.gif -Dlog4j.configuration=myapp.log4j  mymainclass  -param1=xxx -param2 etc