详解Swiftmodel解析的两种方法

  //懒加载声明一个LJNewsModel为数据的数组

  lazy var ljArray : [LJNewsModel] = [LJNewsModel]()

//MARK:-- 数据获取和解析 
extension NewsViewController{ 
  func requestNetData(){ 
    /* 
     打印json数据 
     */ 
    LJDownLoadNetImage.request("GET", url: "http://c.m.163.com/nc/article/list/T1348647909107/0-20.html") { (data, respond, error) in 
       方法一：解析数据 
        
       let str = String(data:data!, encoding: String.Encoding.utf8)! 
       print(str) 
        
       let ljTempArray : NSArray = self.getDictionaryFromJSONString(jsonString: str).object(forKey: "T1348647909107") as! NSArray 
        
       for m in 0 ..NSDictionary{ 
     
    let jsonData:Data = jsonString.data(using: .utf8)! 
     
    let dict = try&＃63; JSONSerialization.jsonObject(with: jsonData, options: .mutableContainers) 
    if dict != nil { 
      return dict as! NSDictionary 
    } 
    return NSDictionary() 
  } 
} 

import Foundation 
 
class LJNewsModel: NSObject { 
   
  //MARK:- 定义属性 
  var imgsrc: String = ""  ///

//MARK:-- 数据获取和解析 
extension NewsViewController{ 
  func requestNetData(){ 
    /* 
     打印json数据 
     */ 
    LJDownLoadNetImage.request("GET", url: "http://c.m.163.com/nc/article/list/T1348647909107/0-20.html") { (data, respond, error) in 
       
      //as&＃63; [[String :Any]] 转化为以字典为元素的数组 
      //as&＃63; [String :Any]  转化为字典 
      //1.方法一：解析数据 -- 推荐 
      let str = String(data:data!, encoding: String.Encoding.utf8)! 
      guard let allResulrDict = self.getDictionaryFromJSONString(jsonString:str) as&＃63; [String : Any] else {return} 
      guard let dataArray = allResulrDict["T1348647909107"] as&＃63; [[String :Any]] else {return} 
      //print(dataArray) 
       
      for dict in dataArray{ 
        self.ljArray.append(LJNewsModel(dict)) 
      } 
      self.ljTablewView.reloadData() 
    } 
  } 
   
  func getDictionaryFromJSONString(jsonString:String) ->NSDictionary{ 
     
    let jsonData:Data = jsonString.data(using: .utf8)! 
     
    let dict = try&＃63; JSONSerialization.jsonObject(with: jsonData, options: .mutableContainers) 
    if dict != nil { 
      return dict as! NSDictionary 
    } 
    return NSDictionary() 
  } 
} 

import Foundation 
 
class LJNewsModel: NSObject { 
   
  //MARK:- 定义属性 
  var imgsrc: String = ""  ///