m31****1706 2021-10-25 08:19 开发者_Go百科 超市买牛奶不是超市能赚多少钱?超市常温奶的柜台一般都是经销商租赁的,经销商只付租赁费,而每箱牛奶赚多少和超市没关系。你根本就没弄明白超市是怎么回事,超市老
I find examples and tutorials开发者_StackOverflow中文版 about models and about validation. And I places that say the validation (or most of it at least) should be in the model, which I agree with. But