Swift 3.0和web服務

Question

嘗試將我們的Web服務讀入UITableViewController，它只將第一條記錄返回給模擬器。所以希望有人能夠看到代碼並引導我走上正確的道路。最終目標是將其放入UITableViewCell中，這樣我就可以很好地格式化，但只是想要獲取所有記錄。

以下是將返回的部分json文件的視圖。

{ 
"Count":11518, 
"Result":[ 
    { 
    "cuName": "#1", 
    "charter_Num": 
    "16328","City": 
    "Jonesboro", 
    "State_id": "GA", 
    "cuName_location": "#1 - Jonesboro, GA" 
    }, 
    { 
    "cuName": "@lantec Financial", 
    "charter_Num": "7965", 
    "City": "Virginia Beach", 
    "State_id": "VA", 
    "cuName_location": "@lantec Financial - Virginia Beach, VA" 
    }] 
} 

這是讀取json web服務並嘗試解析並放入表中的代碼。

func get_data_from_url(_ link:String) 
    { 
    let url:URL = URL(string: link)! 
    let session = URLSession.shared 

    let request = NSMutableURLRequest(url: url) 
    request.httpMethod = "GET" 
    request.cachePolicy = NSURLRequest.CachePolicy.reloadIgnoringCacheData 


    let task = session.dataTask(with: request as URLRequest, completionHandler: { 
     (
     data, response, error) in 

     guard let _:Data = data, let _:URLResponse = response , error == nil else { 
      return 
     } 


     self.extract_json(data!) 
    }) 

    task.resume() 
} 


func extract_json(_ data: Data) 
{ 
    let json: Any? 

    do 
    { 
     json = try JSONSerialization.jsonObject(with: data, options: []) 
    } 
    catch 
    { 
     return 
    } 

    //Commented out the following lines because it doesn't return anything when using the modified code that works 
    // 
    //  guard let data_list = json as? NSArray else 
    //  { 
    //   return 
    //  } 

    //This code works but only gives me the 1st record back 
    if let cu_list = try? json as? [String:Any], 
     let result = cu_list?["Result"] as? [[String:Any]], 
     let charter_num = result[0]["charter_Num"] as? String, 
     let value = result[0]["cuName_location"] as? String, result.count > 0 { 
     TableData.append(value + " (" + charter_num + ")") 
    } else { 
     print("bad json - do some recovery") 
    } 

    DispatchQueue.main.async(execute: {self.do_table_refresh()}) 

} 

Answer 1

你是指從result對象第0指數元素，它將只返回JSON數據的第一個記錄。您需要運行循環並將數據追加到您需要用於填充UITableView中的數據的數組。

Answer 2

func GetCategoryData(){ 
    //get_high_score.php?from=1472409001482&number=10&to=1493657787867 
    let checklaun = UserDefaults.standard.integer(forKey: "Language") 
    if checklaun == 1 { 

     EZLoadingActivity.show("Loading...", disableUI: false) 

    }else{ 
     EZLoadingActivity.show("جار التحميل...", disableUI: false) 

    } 


    DispatchQueue.global(qos: .background).async { 

     let myUrl = URL(string: GlobleUrl.BASEURL + "advertise_list.php"); 
     var request = URLRequest(url:myUrl!) 
     request.httpMethod = "GET" 

     // let fromvalue = 1472409001482 
     // let numbervalue = 10 
     // let tovalue = 1493657787867 
     let postString = ""//"from=" + fromvalue + "&" + "number=" + numbervalue + "&" + "to=" + tovalue 

     request.httpBody = postString.data(using: String.Encoding.utf8); 
     let task = URLSession.shared.dataTask(with: request) { (data: Data?, response: URLResponse?, error: Error?) in 

      if error != nil 
      { 
       EZLoadingActivity.hide(false, animated: true) 
       print("error=\(error)") 
       let checklaun = UserDefaults.standard.integer(forKey: "Language") 
       var titlemsga : String = String() 
       var okmsg : String = String() 
       if checklaun == 1 { 
        titlemsga = "Something going wrong" 
        okmsg = "Ok" 
       }else{ 
        titlemsga = "حدث خطأ ما" 
        okmsg = "حسنا" 
       } 

       let alert = UIAlertController(title: "", message: titlemsga, preferredStyle: UIAlertControllerStyle.alert) 
       alert.addAction(UIAlertAction(title: okmsg, style: UIAlertActionStyle.default, handler: nil)) 
       self.present(alert, animated: true, completion: nil) 

       return 
      } 


      print("response = \(response)") 


      do { 

       let json = try JSONSerialization.jsonObject(with: data!, options: .mutableContainers) as? NSDictionary 

       DispatchQueue.main.async { 

        if let parseJSON = json { 

         print(parseJSON) 
         let status = parseJSON["status"] as! Bool 

         if status == true{ 

          EZLoadingActivity.hide(true, animated: false) 

          self.categoryDataArray = parseJSON["data"] as! NSMutableArray 
          print("\(self.categoryDataArray)") 

          self.filterarray = parseJSON["fixed_cat"] as! NSMutableArray 

          let teamp = self.categoryDataArray .value(forKey: "main_image") as AnyObject 
          print("\(teamp)") 
          self.categoryImageArray.setArray(teamp as! [Any]) 
          print("\(self.categoryImageArray)") 

          // let teamp = self.data .value(forKey: "name") as AnyObject 
          // print("\(teamp)") 
          // self.categoryNameArray.setArray(teamp as! [Any]) 


          self.allcategoryTableViewCell.reloadData() 
          self.allcategoryfilterlistview.reloadData() 
          // self.tblscoreList.reloadData() 

         }else{ 
          EZLoadingActivity.hide(false, animated: true) 
         } 

        } 
       } 
      } 
      catch { 
       EZLoadingActivity.hide(false, animated: true) 
       let checklaun = UserDefaults.standard.integer(forKey: "Language") 
       var titlemsga : String = String() 
       var okmsg : String = String() 
       if checklaun == 1 { 
        titlemsga = "Something going wrong" 
        okmsg = "Ok" 
       }else{ 
        titlemsga = "حدث خطأ ما" 
        okmsg = "حسنا" 
       } 

       let alert = UIAlertController(title: "", message: titlemsga, preferredStyle:  UIAlertControllerStyle.alert) 
       alert.addAction(UIAlertAction(title: okmsg, style: UIAlertActionStyle.default, handler: nil)) 
       self.present(alert, animated: true, completion: nil) 
       print(error) 
      } 
     } 
     task.resume() 
    } 
}