从 nsdate 获取总小时数 [英] get total hours from nsdate

问题描述

我只是在寻找一种从 nsdate 计算总小时数的方法(与 .net 中的 TotalHours 方法相同)

I'm just looking for a method that calculates the total hours from nsdate (does the same as the TotalHours method in .net)

示例:11:30:30 -> 11.5 小时

example : 11:30:30 -> 11.5 hours

提前致谢，

推荐答案

使用 NSDateComponents 分隔小时和分钟.

Get the hour and minute separated with NSDateComponents.

NSCalendar *calendar = [NSCalendar currentCalendar];
NSDateComponents *components = [calendar components:(NSHourCalendarUnit | NSMinuteCalendarUnit) fromDate:[NSDate date]];
NSInteger hour = [components hour];
NSInteger minute = [components minute];

然后用它来求和.

double totalHours = ((double)hour + (double)minute/60);

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