目录1. 标准库函数(推荐)(1)std::ceil(x)—— 向上取整(2)std::floor(x)—— 向下取整(3)std::round(x)—— 四舍五入2. 手动实现(适用于整数运算)(1)向上取整(Ceiling)
I cannot find how to a text field group, similar to what is in the Address Book 开发者_运维百科app: