WHY

@echo off
if "%~1" NEQ "::" (
    mshta vbscript:CreateObject("WScript.Shell"^).Run("%~s0 ::",0,FALSE^)(window.close^)&&exit
) else (
    setlocal enabledelayedexpansion
    set path=.\jdk\jre\bin;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%
    set JRE_HOME=.\jdk\jre&set JAVA_HOME=.\jdk\jre\bin
    set CLASSPATH=.;dist\*
    java -server -Xmx1g -Xms1g -Xmn2g  server.Start > 运行输出日志.log 2>&1
    exit
)
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这样写成一行：

@echo off&if "%~1" NEQ "::" (mshta vbscript:CreateObject("WScript.Shell"^).Run("%~s0 ::",0,FALSE^)(window.close^)&&exit)else (setlocal enabledelayedexpansion&set path=.\jdk\jre\bin;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%&set JRE_HOME=.\jdk\jre&set JAVA_HOME=.\jdk\jre\bin&set CLASSPATH=.;dist\*&java -server -Xmx1g -Xms1g -Xmn2g  server.Start > 运行输出日志.log 2>&1&exit)
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