iOS - 这是枚举的任务吗？

Question

如果我想实现以下代码，枚举是否合适？我查了几个关于枚举的问题，但我还是有点不确定。

if (dayOfWeek == Monday)
{
    // Do something
}
else if (dayOfWeek == Tuesday || dayOfWeek == Wednesday)
{
    // Do something else
}

如果这看起来正确，我将如何初始化枚举？它会放在头文件还是实现文件中？

Answer 1

If I want to implement the following code, would enums be appropriate?

不用太详细地了解替代方案——是的。

how would I go about initialising the enum?

我通常像这样在 C 中声明一个枚举:

typedef enum MONDayOfWeek {
  MONDayOfWeek_Undefined = 0,
  MONDayOfWeek_Monday,
  MONDayOfWeek_Tuesday,
  MONDayOfWeek_Wednesday,
  MONDayOfWeek_Thursday,
  MONDayOfWeek_Friday,
  MONDayOfWeek_Saturday,
  MONDayOfWeek_Sunday
} MONDayOfWeek;

// in use:
MONDayOfWeek day = MONDayOfWeek_Monday;

MON 将是您的图书馆或组织的前缀。 DayOfWeek 将是库中的枚举名称，然后附加值。

虽然它很罗嗦，但您倾向于很好地避免冲突。

Would it go in the header or implementation file?

在header中，如果你想让它被多个文件使用，else在实现文件中。