WHY

@echo off
set /p Input=输入：
for /f "delims=" %%i in ('findstr /n .* 1.ini') do (
        set "s=%%i"
        setlocal enabledelayedexpansion
        set "s=!s:*:=!"
        if /i "!s:~0,10!" == "AppServer=" (
                echo;AppServer=%Input%
        ) else (
                echo;!s!
        )
        endlocal
)
pause
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@if (0)==(0) echo off
set /p Input=输入：
cscript //nologo //e:jscript "%~f0" < 1.ini "%Input%"
pause & goto :EOF
@end

var s = WSH.StdIn.ReadAll().replace(/^(AppServer=)[^\r\n]*/gmi,'$1' + WSH.Arguments(0));
WSH.Echo(s)
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set "Input=1.1.1.1"
gawk "BEGIN{IGNORECASE=1};{sub(/^AppServer=.*/,\"AppServer=%Input%\",$0);print}" 1.ini
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set "Input=1.1.1.1"
sed -r "s/^(AppServer=).*/\1%Input%/" 1.ini
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set "Input=1.1.1.1"
PowerShell -c "(type 1.ini) -replace '(?<=^AppServer=).*', '%Input%'"
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