用于记录存档 @echo off & setlocal enabledelayedexpansion ::设置要生成的位数 set ws=4 ::定义要生成字符的范围0-9a-zA-Z set str=0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ for /...