swift NSJSONSerialization json解析

以下是解析、生成方法

func jsonParse(){

/******************************************  解析json类型  **************************************/

let jsonFile = NSBundle.mainBundle().pathForResource("JsonParseFile", ofType: "geojson")

let jsonData = NSData.dataWithContentsOfMappedFile(jsonFile!) as NSData

var errorRead:NSError?

var jsonParse = NSJSONSerialization.JSONObjectWithData(jsonData, options: NSJSONReadingOptions.MutableLeaves, error: &errorRead) as NSDictionary

if errorRead==nil {

let itemCount = jsonParse.objectForKey("ItemCount") as NSString

println("数据总数 : \(itemCount)")

let itemArray = jsonParse.objectForKey("Info") as NSArray

println("当前数组 : \(itemArray.count)")

let dataArray = jsonParse.objectForKey("Info") as NSArray

for manDic in dataArray{

let name = manDic.objectForKey("Name") as NSString

println("数据数组 : \(name)")

}

}else{

println("json不合法,解析失败")

}

/******************************************  转化成json类型  **************************************/

let writeJsonArray1   = ["1","2","3"]

let writeJsonArray2   = ["4","5","6"]

let writeJsonDictory = ["数组1":writeJsonArray1,"数组2":writeJsonArray2]

let jsonFormater = NSJSONSerialization.isValidJSONObject(writeJsonDictory)

if jsonFormater {

println("是标准json格式")

}else{

println("非标准json格式")

}

var errorWrite:NSError?

var jsonWriteData = NSJSONSerialization.dataWithJSONObject(writeJsonDictory, options: NSJSONWritingOptions.PrettyPrinted, error: &errorWrite)

var lastParse = NSString(data: jsonWriteData!, encoding: NSUTF8StringEncoding)

println("转化成json类型 \n\(lastParse)")

}