@echo off
title 处理结果出错
setlocal enabledelayedexpansion

for %%i in (*.xml) do (
    for /f "delims=" %%j in (%%i) do (
        call :GetUrl "%%j" encode
        call :GetUrl "%%j" decode
        echo %%i
        echo "!Url_encode!"
        echo "!Url_decode!"
        echo.
    )
)
pause
exit

:GetUrl
set "str=%~1"
set "str=!str:*<%2>=!"
for /f "delims=<" %%i in ("%str%") do set "Url_%2=%%i"
goto :eof
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@echo off
title 处理结果正确
setlocal enabledelayedexpansion

for %%i in (*.xml) do (
    for /f "delims=" %%j in (%%i) do (
        set "str=%%j"
        set "str=!str:*<encode>=!"
        for /f "delims=<" %%k in ("!str!") do set "Url_encode=%%k"
        set "str=!str:*<decode>=!"
        for /f "delims=<" %%k in ("!str!") do set "Url_decode=%%k"
        echo %%i
        echo "!Url_encode!"
        echo "!Url_decode!"
        echo.
    )
)
pause
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@echo off
SetLocal EnableDelayedExpansion
for %%i in (*.xml) do (
    for /f "delims=" %%j in (%%i) do (
        set str=%%a
        set str=!str:"=!
        set "str=!str:<decode>=" "!"
        set "str=!str:</decode>=" "!"
        set str=!str:?=？!
        rem 字符串中不能含有 ? 和 *，不然会当做文件处理。
        for %%a in ("!str!") do (
            echo ------------------
            echo %%a
        )
        pause
    )
)
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@echo off&SetLocal EnableDelayedExpansion
for %%i in (*.xml) do (
	for /f "useback" %%a in ("%%i") do (
		set tmp=%%i
		for /l %%l in (1 1 1000) do (
			for /f "tokens=1* delims=>" %%a in ("!tmp!") do (
				echo %%b
				set "tmp=!tmp:<*=!"&set "tmp=!tmp:<*=!"
				pause
				rem 不断循环，直到轮空
			)
		)
	)
)
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@echo off
set #=前
prompt 此处修改了变量：
::本人比较喜欢玩，嘿嘿
for %%a in (%%#%%) do (
	call echo for中call前 #=%%a
	echo ______________
	call :echo %%a
)
echo;&pause
exit

:echo
echo;&echo call中set前 #=%1
echo on
set #=后
@echo off
echo;&echo call中set后 #=%1
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