Ios 如何在swift中过滤json对象?

Ios 如何在swift中过滤json对象?,ios,arrays,json,swift,parsing,Ios,Arrays,Json,Swift,Parsing,如何过滤这些json对象?我的意思是我只想打印id等于3的患者 var patients: Array<AnyObject>? if let obj: AnyObject = manager?.responseObject as AnyObject? { if let pats = obj["patients"] as! Array<AnyObject>? { patients = pats

如何过滤这些json对象?我的意思是我只想打印id等于3的患者

var patients: Array<AnyObject>? if let obj: AnyObject = manager?.responseObject as AnyObject? {
            if let pats = obj["patients"] as! Array<AnyObject>? {
                patients = pats
            }
        }

请尽可能把字型写下来

所有类型都比
AnyObject
更具体,JSON字典总是
[String:AnyObject]
,JSON数组是
Array
。仅当数组包含另一个数组或更嵌套时,才使用
Array

使用
Filter
功能过滤患者

var patients = Array<[String:AnyObject]>()

if let obj = manager?.responseObject as? [String:AnyObject] {
   if let pats = obj["patients"] as? Array<[String:AnyObject]> {
       patients = pats.filter { $0["patient_status"] as! Int == 3 } 
   }
}
var患者=数组()
如果让obj=manager?响应对象为?[字符串:AnyObject]{
如果让pats=obj[“患者”]作为?数组{
patients=pats.filter{$0[“patient_status”]as!Int==3}
}
}
注意:在Swift 3中,如果让pats=obj[“patients”]作为[String:Any]{patients=pats.filter{$0.patient\u id==3}或类似的内容,那么任何对象都将被替换为
Any

var patients = Array<[String:AnyObject]>()

if let obj = manager?.responseObject as? [String:AnyObject] {
   if let pats = obj["patients"] as? Array<[String:AnyObject]> {
       patients = pats.filter { $0["patient_status"] as! Int == 3 } 
   }
}