@echo off&setlocal enabledelayedexpansionfor /f "delims=" %%a in ('dir /a-d /b 20226000*.txt') do (set "newname=%%a"set "newname=!newname:20226000=0119!"ren "%%a" "!newname!")
保存为bat,放在一堆txt文件同文件夹下执行
