Windows批处理bat支持else if语法吗?如果支持,怎么写?
支持。
单行语法:
set varA=B
if "%varA%"=="A" (echo %varA% is A) else if "%varA%"=="B" (echo %varA% is B) else (echo %varA% is C)
换行语法:
set varA=B
if "%varA%"=="A" (
echo %varA% is A
echo AAA
) else if "%varA%"=="B" (
echo %varA% is B
echo BBB
) else (
echo %varA% is C
echo CCC
)
换行加强版:
etlocal EnableDelayedExpansion
set option=2
set sum=-1
if %option% == 3 (
echo three
set /a sum=%option%*%option%*%option%
) ^
else if %option% == 2 (
echo two
set /a sum=2*%option%
) ^
else if %option% == 1 (
echo one
set /a sum=%option%
) ^
else (
echo zero
set /a sum=0
)
echo sum = !sum!