@echo off
rem 執(zhí)行這個命令之后, 增加或者改動的環(huán)境變量只限于匹配到 endlocal 命令或者到達(dá)文件末尾.
setlocal
rem 假設(shè) CATALINA_HOME 環(huán)境變量沒有定義
rem 取當(dāng)前目錄的路徑值, 賦給 CURRENT_DIR 變量, 就是 ./apache-tomcat-x.x.xx/bin
set "CURRENT_DIR=%cd%"
rem 如果 CATALINA_HOME 變量值不是 "" 的話, 調(diào)到 gotHome 標(biāo)簽處
if not "%CATALINA_HOME%" == "" goto gotHome
rem 如果 CATALINA_HOME 是 "" 的話, 設(shè)置 CATALINA_HOME 變量值為 當(dāng)前目錄的路徑值(./apache-tomcat-x.x.xx/bin)
set "CATALINA_HOME=%CURRENT_DIR%"
rem 判斷當(dāng)前路徑下的是否有 bin\catalina.bat, 也就是 ./apache-tomcat-x.x.xx/bin/bin/catalina.bat
rem 如果存在的話, 直接調(diào)到 okHome 標(biāo)簽處, 顯然是不存在的
if exist "%CATALINA_HOME%\bin\catalina.bat" goto okHome
rem 不存在的話, CATALINA_HOME 取上級目錄的值, 也就是(./apache-tomcat-x.x.xx/)
cd ..
set "CATALINA_HOME=%cd%"
rem 進(jìn)入 CURRENT_DIR(./apache-tomcat-x.x.xx/bin)
cd "%CURRENT_DIR%"
:gotHome
rem 通過上面的設(shè)置, CATALINA_HOME 的值已經(jīng)是: ./apache-tomcat-x.x.xx/
rem 所以整理是可以找到 catalina.bat 腳本的, 直接調(diào)到 okHome 標(biāo)簽處
if exist "%CATALINA_HOME%\bin\catalina.bat" goto okHome
echo The CATALINA_HOME environment variable is not defined correctly
echo This environment variable is needed to run this program
goto end
:okHome
rem 設(shè)置 EXECUTABLE 變量指向為 catalina.bat 腳本
set "EXECUTABLE=%CATALINA_HOME%\bin\catalina.bat"
rem 檢查目標(biāo)可執(zhí)行文件(catalina.bat)是否存在, 通常情況下是存在的, 直接調(diào)到 okExec 標(biāo)簽處
rem 如果不存在的話, 直接退出. 啟動 Tomcat 結(jié)束
if exist "%EXECUTABLE%" goto okExec
echo Cannot find "%EXECUTABLE%"
echo This file is needed to run this program
goto end
:okExec
rem 獲取剩余的沒有用 shift 取出來的命令行參數(shù), 并保存它們在 CMD_LINE_ARGS
set CMD_LINE_ARGS=
:setArgs
rem 如果第一個命令行參數(shù)是空的話, 跳到 doneSetArgs 標(biāo)簽處
rem "%1" : 表示執(zhí)行命令之后的第一個參數(shù)
if ""%1""=="""" goto doneSetArgs
rem 第一個參數(shù)不是空的話, 拼接到 CMD_LINE_ARGS 變量
set CMD_LINE_ARGS=%CMD_LINE_ARGS% %1
rem 這個命令可以自行百度
shift
goto setArgs
:doneSetArgs
rem 上面設(shè)置了 EXECUTABLE 變量的值是指向了 catalina.bat 腳本, 這個利用 call 命令執(zhí)行調(diào)用, 并把參數(shù)傳進(jìn)去
rem 接下來, 咱們看 catalina.bat 腳本的內(nèi)容
rem 完整的命令: ./apache-tomcat-x.x.xx/bin/catalina.bat start
call "%EXECUTABLE%" start %CMD_LINE_ARGS%
:end

cd ..
set "CATALINA_HOME=%cd%"

if exist "%CATALINA_HOME%\bin\catalina.bat" goto okHome
echo The CATALINA_HOME environment variable is not defined correctly
echo This environment variable is needed to run this program
goto end

:okHome
set "EXECUTABLE=%CATALINA_HOME%\bin\catalina.bat"

if exist "%EXECUTABLE%" goto okExec
echo Cannot find "%EXECUTABLE%"
echo This file is needed to run this program
goto end

:okExec
set CMD_LINE_ARGS=
:setArgs
if ""%1""=="""" goto doneSetArgs
set CMD_LINE_ARGS=%CMD_LINE_ARGS% %1
shift
goto setArgs

@echo off
echo "%1"
shift
echo "%1"

PS D:\> .\test Hello World
"Hello"
"World"
PS D:\>

:doneSetArgs
call "%EXECUTABLE%" start %CMD_LINE_ARGS%
:end