如何将解析的json数据保存到一个数组与swift 3
因此,我收到一些服务器的JSON数据,现在我试图将它保存为一个数组,所以我可以用它填充一个tableview,但在这里遇到麻烦是我的代码:如何将解析的json数据保存到一个数组与swift 3
class UserInfo : UIViewController{
var main = ""
session.dataTask(with: url) { (data, response, error) in
if let response = response {
print (response)
}
if let data = data {
let json = (try? JSONSerialization.jsonObject(with: data, options: []))
print(json)
guard let array = json as? [Any] else {return}
for info in array {
guard let infoDict = info as? [String : Any] else{return}
//there is a declared var called main
//main is the one i want save as an array, currently its a variable. i tried to save it as an array by using as! Array but i get error
self.main = infoDict["Title"] as! String
print (self.main)
}
}
}.resume()
}
首先你必须声明ary
以外的请求范围。然后,您必须将数据存储在相同的ary
中。
var ary: NSMutableArray = NSMutableArray()
session.dataTask(with: url) { (data, response, error) in
if let response = response {
print (response)
}
if let data = data {
let json = (try? JSONSerialization.jsonObject(with: data, options: []))
print(json)
guard let array = json as? [Any] else {return}
for info in array {
guard let infoDict = info as? [String : Any] else{return}
//there is a declared var called main
//main is the one i want save as an array, currently its a variable. i tried to save it as an array by using as! Array but i get error
self.main = infoDict["Title"] as! String
self.ary.add(self.main)
print (self.main)
}
print("Final array is :::",self.ary)
}
}.resume()
试试上面的代码。希望它能为你工作。
工作正常,但我只是添加了“自我”这个“打印(”最终阵列是:::“,self.ary)” –
@ Duck.P是的,对不起,因为我们要求从服务器获取数据,这是一个封闭的问题,谢谢 – shahnilay86
FUNC的tableView(_的tableView:UITableView的,cellForRowAt indexPath:IndexPath) - >的UITableViewCell { 让细胞=的UITableViewCell?(样式:UITableViewCellStyle.default,reuseIdentifier: “小区”) cell.textLabel的.text = ARRY //当我这样做(cell.textlable?.text = arry)我得到错误(无法分配//类型'NSMutableArray'的值来键入'String?') return(cell) } –
因此,您需要发布收到的json,以便我们知道我们处理的是什么数据。 – ovidiur
“但我得到错误”什么错误? – Larme
你想将这些数据存储在UserDefaults中? – shahnilay86