yiwuyun

@echo off
setlocal enabledelayedexpansion
set str="bbs.bathome.net"
set a=^"
if "!str:~0,1!" == "!a!" (
    echo yes
) else (
    echo no
)
复制代码

@echo off
setlocal enabledelayedexpansion
set str="bbs.bathome.net"
if "!str:~0,1!" == "^"" (
    echo yes
) else (
    echo no
)
复制代码

比较二者。