iOS-数字转为人名币大写(Swift4.0)
iOS-数字转为人名币大写(Swift4.0)
用户2215591
发布于 2018-06-29 14:56:21
发布于 2018-06-29 14:56:21
在iOS中，对数字的格式化操作，我第一个想到的就是它NumberFormatter，所以我写了下面这个函数
extension String {
func numberRMM() -> String {
guard let num = Double(self) else {
return ""
}
let format = NumberFormatter()
format.locale = Locale(identifier: "zh_CN")
format.numberStyle = .spellOut
format.minimumIntegerDigits = 1
format.minimumFractionDigits = 0
format.maximumFractionDigits = 2
return format.string(from: NSNumber(value: num)) ?? ""
}
}经测试后
// 输入
print(1234566.05.numberRMM())
// 打印结果 一百二十三万四千五百六十六点〇五这显然不是我们要的结果，不过我们还是可以利用这个结果，再加上字符串替换，来实现我们的需求 首先全部字符串的替换如下函数
let formattedString = text.replacingOccurrences(of: "一", with: "壹")
.replacingOccurrences(of: "二", with: "贰")
.replacingOccurrences(of: "三", with: "叁")
.replacingOccurrences(of: "四", with: "肆")
.replacingOccurrences(of: "五", with: "伍")
.replacingOccurrences(of: "六", with: "陆")
.replacingOccurrences(of: "七", with: "柒")
.replacingOccurrences(of: "八", with: "捌")
.replacingOccurrences(of: "九", with: "玖")
.replacingOccurrences(of: "十", with: "拾")
.replacingOccurrences(of: "百", with: "佰")
.replacingOccurrences(of: "千", with: "仟")
.replacingOccurrences(of: "〇", with: "零")之后我们再对这个字符串进行处理
- 先判断是否是整数，如果是整数，则在后面加上
元整两个字就是我们要的结果了，代码如下 // 整数处理 let texts = formattedString.components(separatedBy: "点") if sept.count > 0 && isInt { return texts[0].appending("元整") } - 如果是小数，此时无论有多少位小数，我们都需要保留两位小数，即角和分，后面的数字直接丢弃掉(实际业务中也不会出现有2位小数以上的数)，处理方法如下 // 小数处理 let decStr = sept[1] intStr = intStr.appending("元").appending("\(decStr.first!)角") if decStr.count > 1 { intStr = intStr.appending("\(decStr[decStr.index(decStr.startIndex, offsetBy: 1)])分") } else { intStr = intStr.appending("零分") } return intStr
经过处理后再次测试如下
print(666.005.numberRMM()) // 陆佰陆拾陆元整
print(666.00.numberRMM()) // 陆佰陆拾陆元整
print(666.05.numberRMM()) // 陆佰陆拾陆元零角伍分
print(666.10.numberRMM()) // 陆佰陆拾陆元壹角零分
print(666.1.numberRMM()) // 陆佰陆拾陆元壹角零分
print(666.numberRMM()) // 陆佰陆拾陆元整最后再贴一下完整的代码
extension Double {
func numberRMM() -> String {
return String(self).numberRMM()
}
}
extension String {
/// 人名币大写
func numberRMM() -> String {
guard let num = Double(self) else {
return ""
}
let format = NumberFormatter()
format.locale = Locale(identifier: "zh_CN")
format.numberStyle = .spellOut
format.minimumIntegerDigits = 1
format.minimumFractionDigits = 0
format.maximumFractionDigits = 2
let text = format.string(from: NSNumber(value: num)) ?? ""
let sept = self.components(separatedBy: ".")
let decimals: Double? = sept.count == 2 ? Double("0." + sept.last!) : nil
return self.formatRMM(text: text, isInt: decimals == nil || decimals! < 0.01)
}
private func formatRMM(text: String, isInt: Bool) -> String {
let formattedString = text.replacingOccurrences(of: "一", with: "壹")
.replacingOccurrences(of: "二", with: "贰")
.replacingOccurrences(of: "三", with: "叁")
.replacingOccurrences(of: "四", with: "肆")
.replacingOccurrences(of: "五", with: "伍")
.replacingOccurrences(of: "六", with: "陆")
.replacingOccurrences(of: "七", with: "柒")
.replacingOccurrences(of: "八", with: "捌")
.replacingOccurrences(of: "九", with: "玖")
.replacingOccurrences(of: "十", with: "拾")
.replacingOccurrences(of: "百", with: "佰")
.replacingOccurrences(of: "千", with: "仟")
.replacingOccurrences(of: "〇", with: "零")
let sept = formattedString.components(separatedBy: "点")
var intStr = sept[0]
if sept.count > 0 && isInt {
// 整数处理
return intStr.appending("元整")
} else {
// 小数处理
let decStr = sept[1]
intStr = intStr.appending("元").appending("\(decStr.first!)角")
if decStr.count > 1 {
intStr = intStr.appending("\(decStr[decStr.index(decStr.startIndex, offsetBy: 1)])分")
} else {
intStr = intStr.appending("零分")
}
return intStr
}
}
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原始发表：2017.12.15 ，如有侵权请联系 cloudcommunity@tencent.com 删除
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