摘要: divison.go package mytest import "errors" func Division(a, b float64) (float64, error) { if b == 0{ return 0, errors.New("除数不能为0") } return a / b, nil 阅读全文
posted @ 2020-12-01 20:39 威威后花园 阅读(87) 评论(0) 推荐(0)