質問編集履歴
1
メモ
test
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File without changes
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test
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@@ -15,3 +15,53 @@
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print(text) // => A: 4.26 B: 12.81
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```
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---
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メモ
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```swift
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30
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31
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extension NSDecimalNumber {
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32
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33
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35
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var percentageStrWithTwoFractionDigits: String {
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let nf = NumberFormatter()
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nf.minimumFractionDigits = 2
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nf.maximumFractionDigits = 2
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nf.numberStyle = .percent
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return nf.string(for: self) ?? ""
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}
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}
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53
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let a: String = "2.2"
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let b: String = "6.6"
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let v = NSDecimalNumber(string: a).dividing(by: NSDecimalNumber(string: b)).percentageStrWithTwoFractionDigits
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64
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print(v) //=> 33.33%
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```
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