ios - 我无法在 swift 3 中从给定的 url 获取 child 的名字？

Question

在 api 中获取全局数组但在此我无法将子名称作为单独的数组获取只有最后加载的数组名称已进入数组如何获取数组中的所有子名称请帮助我如何获取其中的所有名称，这是我已经尝试过的代码

var detailsArray = NSArray()
var globalArray = NSMutableArray()
let url = "http://www.json-generator.com/api/json/get/cwqUAMjKGa?indent=2"
func downloadJsonWithURL() {
    let url = NSURL(string: self.url)
    URLSession.shared.dataTask(with: (url as URL?)!, completionHandler: {(data, response, error) -> Void in
        if let jsonObj = try? JSONSerialization.jsonObject(with: data!, options: .allowFragments) as? NSDictionary
        {
            self.detailsArray = (jsonObj?.value(forKey: "data") as? [[String: AnyObject]])! as NSArray
            print(self.detailsArray)
            for item in self.detailsArray
            {
                let majorDic = NSMutableDictionary()
                let detailDict = item as! NSDictionary
                print(detailDict["name"]!)
                majorDic .setValue(detailDict["name"]!, forKey: "name")
                print(detailDict["children"]!)
                if !(detailDict["children"]! is NSNull)
                {
                    let children = detailDict["children"]! as! NSArray
                    let childrenstring = NSMutableString()
                    if children.count > 0 {
                        for item in children{
                            let chilDic = item as! NSDictionary
                            print(chilDic["name"]!)
                            print(chilDic["products"]!)
                            majorDic.setValue(chilDic["name"]!, forKey: "Childernname")
                            let products = chilDic["products"]! as! NSArray
                            if products.count > 0
                            {
                                for item in products
                                {
                                    var sr = String()
                                    sr = (item as AnyObject) .value(forKey: "name") as! String
                                    childrenstring.append(sr)
                                    childrenstring.append("*")
                                }
                                majorDic.setValue(childrenstring, forKey: "Childernproducts")
                            }
                            else
                            {
                                print("products.count\(products.count)")
                                majorDic.setValue("NO DATA", forKey: "Childernproducts")
                            }
                        }
                    }
                    else
                    {
                        print("childernw.count\(children.count)")
                        majorDic.setValue("NO DATA", forKey: "Childernname")
                    }
                }
                else
                {
                    majorDic.setValue("NO DATA", forKey: "Childernname")
                    majorDic.setValue("NO DATA", forKey: "Childernproducts")
                }
                self.globalArray.add(majorDic)
            }
            print("TOTAL ASSECTS\(self.globalArray)")
            OperationQueue.main.addOperation({
                self.tableView.reloadData()
                print(self.globalArray)
                print(self.detailsArray)
            })
        }
    }).resume()
}

Answer 1

试试这个:

var detailsArray = [DataList]()
func downloadJsonWithURL() {
    let url = NSURL(string: "http://www.json-generator.com/api/json/get/cwqUAMjKGa?indent=2")
    URLSession.shared.dataTask(with: (url as URL?)!, completionHandler: {(data, response, error) -> Void in
        if let jsonObj = try? JSONSerialization.jsonObject(with: data!, options: .allowFragments) as? NSDictionary
        {
            let objArr = (jsonObj?["data"]  as? [[String: AnyObject]])! as NSArray
            for obj in objArr {
                self.detailsArray.append(DataList(json: obj as! [String : AnyObject]))
            }
            print(self.detailsArray)
        }
    }).resume()
}

模型类

class DataList: NSObject {

    var count: Int
    var category_id: Int
    var childern:[Children]
    var name:String

    init (json: [String: AnyObject]){

        if let childrenList = json["children"] as? [[String: AnyObject]] {
            var result = [Children]()
            for obj in childrenList {
                result.append(Children(json: obj))
            }
            self.childern = result
        } else {
            self.childern = [Children]()
        }

        if let count = json["count"] as? Int { self.count = count }
        else { self.count = 0 }
        if let category_id = json["category_id"] as? Int { self.category_id = category_id }
        else { self.category_id = 0 }
        if let name = json["name"] as? String { self.name = name }
        else { self.name = "" }
    }
}

class Children:NSObject{
    var count:Int
    var category_id:Int
    var products:[Products]
    var name:String

    init (json: [String: AnyObject]){

        if let productList = json["products"] as? [[String: AnyObject]] {
            var result = [Products]()
            for obj in productList {
                result.append(Products(json: obj))
            }
            self.products = result
        } else {
            self.products = [Products]()
        }

        if let count = json["count"] as? Int { self.count = count }
        else { self.count = 0 }
        if let category_id = json["category_id"] as? Int { self.category_id = category_id }
        else { self.category_id = 0 }
        if let name = json["name"] as? String { self.name = name }
        else { self.name = "" }

    }
}


class Products:NSObject{
    var product_id:Int
    var name:String

    init (json: [String: AnyObject]){

        if let product_id = json["product_id"] as? Int { self.product_id = product_id }
        else { self.product_id = 0 }

        if let name = json["name"] as? String { self.name = name }
        else { self.name = "" }

    }
}

注意:解析时请检查你的数据类型