选中A1数据-有效性允许值-序列,来源里面填入 是,否完成后,B1输入=if(A1="","",if(A1="是","成功","未成功"))
这个不需要制作函数,在B1输入=if(a1="是","成功","未成功")
=if(A1="是","成功","未成功")