77七

修改下楼主的代码：标签不能写在语句内部，判断不等于a且不等于b再删除

@echo off
cd /d "%~dp0"
for /l %%l in (2017,1,2023) do (
	pushd "%%l"
	for %%a in (*) do (
		if /i "%%a" neq "all_exprot_12.txt" (
			if /i "%%a" neq "all_import_12.txt" (
				del "%%a"
			)
		)
	)
	popd
)
pause
复制代码

hnfeng

for /L %%a in (2017,1,2023) do (
  robocopy /s /mov %%a c:\temp_ /xf all_exprot_12.txt all_import_12.txt
)
rd /s /q c:\temp_
pause