唯尘

A1
@echo off
set "str=I love,bbs;bathome=net"
for /f "tokens=1-5 delims=,;= " %%i in ("%str%") do (
        echo %%i %%j %%k %%l %%m
)
pause>nul
A2
@echo off
set "str=I love,bbs;bathome=net"
for /f "tokens=2 delims==" %%i in ("%str%") do (
        echo %%i
)
pause>nul

唯尘

A1
@echo off
set "str=I love,bbs;bathome=net"
for  %%i in ("%str%") do (
        echo %%i
)
pause>nul

唯尘

@echo off
for %%i in (set str=1love,bbs;bathome,net) do cls&echo %%i
pause

唯尘

@echo off
set "str=I love,bbs;bathome=net"
for %%i in (%str%) do echo %%i
pause>nul

@echo off
set "str=I love,bbs;bathome=net"
for /f "tokens=2 delims==" %%i in ("%str%") do echo %%i
pause>nul