/// 金额分 数字格式化 如 4132 -->  4,132.00
func decimalFormatterValue(value: Int) -> String? {
    let decimal = value % 100
    let nonDecimal = value / 100
    let formatter = NumberFormatter.init()
    formatter.numberStyle = .decimal
    if let title = formatter.string(from: NSNumber.init(value: nonDecimal)) {
        return title + String.init(format: ".%02d", decimal)
    }
    return nil
}