使用 VVALUEX() 只要你对一切都恢复为字符没问题.

Use VVALUEX() as long as you're ok with everything coming back as characters. Link to VVALUEX documentation

A-3 不是有效的 SAS 变量名称，但假设您将其称为A-3"n.

A-3 isn't a valid SAS variable name, but assuming it is you'd refer to it as 'A-3'n.

   data want;
      set have;
      x = vvaluex('A-3'n);
      x1 = vvaluex(A_3);    
   run;