如何将字符串日期转换为 NSDate? [英] How can I convert string date to NSDate?

问题描述

我想在 Swift 中将2014-07-15 06:55:14.198000+00:00"这个字符串日期转换为 NSDate.

I want to convert "2014-07-15 06:55:14.198000+00:00" this string date to NSDate in Swift.

推荐答案

试试这个:

let dateFormatter = NSDateFormatter()
dateFormatter.dateFormat = /* find out and place date format from 
                            * http://userguide.icu-project.org/formatparse/datetime
                            */
let date = dateFormatter.dateFromString(/* your_date_string */)

如需进一步查询，请查看 NSDateFormatter 和 DateFormatter 分别用于 Objective-C 和 Swift 的 Foundation 框架类.

For further query, check NSDateFormatter and DateFormatter classes of Foundation framework for Objective-C and Swift, respectively.

Swift 3 及更高版本(包括 Swift 4)

let dateFormatter = DateFormatter()
dateFormatter.dateFormat = /* date_format_you_want_in_string from
                            * http://userguide.icu-project.org/formatparse/datetime
                            */
guard let date = dateFormatter.date(from: /* your_date_string */) else {
   fatalError("ERROR: Date conversion failed due to mismatched format.")
}

// use date constant here

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