ArdentMan

@Echo Off&SetLocal EnableDelayedExpansion 
Set "Code=abcdefghijklmnopqrstuvwxyz"
For /L %%i In (1,1,20) Do (
  Set /A Num=!Random!%%26
  For %%j In (!Num!) Do Echo 随机数字：%%j 随机字母：!Code:~%%j,1!
)
Pause>Nul
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