swift中数据之间的转换
1.swift 开发 - NSDictionary与NSData互转、Dictionary与Data互转
https://blog.csdn.net/SuperMageHuang/article/details/54963236
1、NSDictionary转NSData
let data:NSData =NSKeyedArchiver.archivedData(withRootObject:dataDic) asNSData
2、NSData转NSDictionary
let dic =NSKeyedUnarchiver.unarchiveObject(with: dataas! Data)as! NSDictionary
3、NSDictionary转Data
let date =try! JSONSerialization.data(withJSONObject: dic, options: .prettyPrinted)
4、Data转Dictionary
let json =try! JSONSerialization.jsonObject(with: data, options: .mutableContainers)as! Dictionary<String,String>
2.(UITextField.text as NSSTring).floatValue
使用一个label 显示多行
private func setData(showStr: String) {
DispatchQueue.main.async {
self.leftTipLabel!.text = NSLocalizedString("可用", comment: "")+"\n\n"+NSLocalizedString("最小转帐量", comment: "")+"\n\n"+NSLocalizedString("手续费", comment: "")+"\n\n"+NSLocalizedString("到账数量", comment: "")
}
self.leftTipLabel?.numberOfLines = 0
let attributedStrM : NSMutableAttributedString = NSMutableAttributedString()
attributedStrM.append(NSAttributedString(string: available, attributes: [NSAttributedString.Key.foregroundColor: UIColor.hexadecimalColor(hexadecimal: "#F1B11B")]))
attributedStrM.append(NSAttributedString(string: " \(dataDict["currency"].stringValue.uppercased())"+"\n\n", attributes: [NSAttributedString.Key.foregroundColor: ThemeColor.sharedInstance.getTextColor()]))
attributedStrM.append(NSAttributedString(string: String(format: "%.3f", ((self.minWithdrawQuantity as String) as NSString).doubleValue), attributes: [NSAttributedString.Key.foregroundColor: UIColor.hexadecimalColor(hexadecimal: "#F1B11B")]))
attributedStrM.append(NSAttributedString(string: NSLocalizedString("个", comment: "")+"\n\n", attributes: [NSAttributedString.Key.foregroundColor:ThemeColor.sharedInstance.getGrayTextWhiteColor()]))
var all:Double = 0
var totalFees:Double = 0
if self.moneyTextField?.text?.count == 0 {
all = 0
totalFees = 0
}else if (self.moneyTextField!.text! as NSString).doubleValue < (self.minWithdrawQuantity as NSString).doubleValue{
all = 0
totalFees = 0
}else{
let inputf:Double = Double((showStr as NSString).doubleValue)
let feesp:Double = Double((self.feeS as NSString).doubleValue) * inputf
if feesp > Double((self.firstFee as NSString).doubleValue) {
totalFees = Double((self.firstFee as NSString).doubleValue)
all = (showStr as NSString).doubleValue - totalFees
}else{
totalFees = feesp
all = Double((showStr as NSString).doubleValue) - totalFees
}
}
//手续费 "\(totalFees)"
attributedStrM.append(NSAttributedString(string: String(format: "%.3f", totalFees), attributes: [NSAttributedString.Key.foregroundColor: UIColor.hexadecimalColor(hexadecimal: "#F1B11B")]))
attributedStrM.append(NSAttributedString(string: NSLocalizedString("个", comment: "")+"\n\n", attributes: [NSAttributedString.Key.foregroundColor:ThemeColor.sharedInstance.getGrayTextWhiteColor()]))
//到账数量 //"\(all - totalFees)"
attributedStrM.append(NSAttributedString(string: String(format: "%.3f", all), attributes: [NSAttributedString.Key.foregroundColor: QBColor_Orange]))
attributedStrM.append(NSAttributedString(string: " \(self.currentCurrency!)", attributes: [NSAttributedString.Key.foregroundColor:ThemeColor.sharedInstance.getGrayTextWhiteColor()]))
self.rightTipLabel?.textAlignment = NSTextAlignment.right
self.rightTipLabel!.attributedText = attributedStrM
self.rightTipLabel?.numberOfLines = 0
DispatchQueue.main.async {
self.bottomTipLabel!.text = NSLocalizedString("手续费率", comment: "") + "\(self.feeS)" + ", " + NSLocalizedString("单笔不超过", comment: "") + "\(self.firstFee)" + "\(self.currentCurrency!)" + NSLocalizedString("多少手续费", comment: "")
}
self.view.layoutIfNeeded()
}
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