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【Xcode/Swift】文字列を3桁区切りにカンマを入れて表示する方法

コード

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func getComma(_ num: Int) -> String {
let formatter = NumberFormatter()
formatter.numberStyle = .decimal
formatter.groupingSeparator = ","
formatter.groupingSize = 3
let number = "¥\(formatter.string(from: NSNumber(value: num)) ?? "")"
return number
}
func getComma(_ num: Int) -> String { let formatter = NumberFormatter() formatter.numberStyle = .decimal formatter.groupingSeparator = "," formatter.groupingSize = 3 let number = "¥\(formatter.string(from: NSNumber(value: num)) ?? "")" return number }
func getComma(_ num: Int) -> String {
    let formatter = NumberFormatter()
    formatter.numberStyle = .decimal
    formatter.groupingSeparator = ","
    formatter.groupingSize = 3
    let number = "¥\(formatter.string(from: NSNumber(value: num)) ?? "")"
    
    return number
}

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