如何在iOS Swift 5中对多个欧元值进行总值排列，例如[“ 179.95英镑”，“ 199.95英镑”，“ 89.95英镑”] [英] How To multiple Euro values total arrays in ios Swift 5 Like ["£179.95", "£199.95", "£89.95"]

问题描述

array = [ 179.95英镑， 199.95英镑， 89.95英镑]

array = ["£179.95", "£199.95", "£89.95"]

如何将此值乘以ios即可得到总值Swift 4 。

How to multiple this values add get the total values in ios swift 4.

请帮助我。

推荐答案

如果确定确保数组中包含的字符串始终以£开头，您可以这样做：

If you're sure that the strings contained in your array always start with a £, you could do this:

let sum = array.compactMap { Double($0.replacingOccurrences(of: "£", with: "")) }
               .reduce(0.0, { $0 + $1 })

示例：

let array = ["£179.95", "£199.95", "£89.95"]
let sum = array.compactMap { Double($0.replacingOccurrences(of: "£", with: "")) }
               .reduce(0.0, { $0 + $1 })
print(sum) // 469.84999999999997

这篇关于如何在iOS Swift 5中对多个欧元值进行总值排列，例如[“ 179.95英镑”，“ 199.95英镑”，“ 89.95英镑”]的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！