Question

我有一个像这样的json：

{"page":1,"totalPage":1,"listContent":[{"bizID":3,"bizName":"SHELL KEMANGGISAN","bizImage":"http//:www.goog@gmail.com","address":"JL KEMANGGISAN UTAMA, JAKARTA, 11480, INDONESIA","ratingAvg":1.0,"distance":14003691},{"bizID":4,"bizName":"SHELL DAAN MOGOT","bizImage":"http//:www.goog@gmail.com","address":"JL DAAN MOGOT KM 11, JAKARTA, 11710","ratingAvg":3.0,"distance":14004238}]}

我试着抓住这样的结果但错误：

do {
   let jsonArr = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions.AllowFragments) as! NSArray
   print("jsonArr:\(jsonArr)")
   for json in jsonArr {
       if let results = json["listContent"] as? NSArray {
           for result in results {
               let person = Bizz()
               person.bizID = result["bizID"] as! String
               person.bizName = result["bizName"] as! String
               person.bizImage = result["bizImage"] as! String
               person.address = result["address"] as! String
               person.ratingAvg = result["ratingAvg"] as! String
               self.businessBizz.append(person)                                                         
           }
        }
    }
    dispatch_async(dispatch_get_main_queue()) {
          self.tableView.reloadData()
    }
} catch {
    print("Failed to get Content List: \(error)")
}

错误是：

无法将'__ NSCFString'（0x10756f2c8）类型的值转换为'NSArray'（0x10756fb88）。

此行的错误：

let jsonArr = try NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions.AllowFragments) as! NSArray

如何修复？并获取listcontent值。

Answer 1

您的JSON是3.14159265359.toFixed(4) > "3.1415"表示字典不是数组..

[String: AnyObject]

您还应该将let json = try NSJSONSerialization.JSONObjectWithData(data!, options: []) if let results = json["listContent"] as? [[String: AnyObject]] { for result in results { let person = Bizz() person.bizID = result["bizID"] as! Int person.bizName = result["bizName"] as! String person.bizImage = result["bizImage"] as! String person.address = result["address"] as! String person.ratingAvg = result["ratingAvg"] as! Float self.businessBizz.append(person) } }和result["ratingAvg"]分别转换为Int和Float，因为它们在被解析时会转换为NSNumber。

您可以从here下载游乐场并自行测试。

用tableview swift解析json数据无法将'__ NSCFString'类型的值转换为'NSArray'

1 个答案: