Swift中經(jīng)常會(huì)遇到字典和字符串的相互轉(zhuǎn)換,因此可以轉(zhuǎn)換可以封裝起來,轉(zhuǎn)換代碼如下:
func convertStringToDictionary(text: String) -> [String:AnyObject]? { if let data = text.data(using: String.Encoding.utf8) { do { return try JSONSerialization.jsonObject(with: data, options: [JSONSerialization.ReadingOptions.init(rawValue: 0)]) as? [String:AnyObject] } catch let error as NSError { print(error) } } return nil}func convertDictionaryToString(dict:[String:AnyObject]) -> String { var result:String = "" do { //如果設(shè)置options為JSONSerialization.WritingOptions.prettyPrinted,則打印格式更好閱讀 let jsonData = try JSONSerialization.data(withJSONObject: dict, options: JSONSerialization.WritingOptions.init(rawValue: 0)) if let JSONString = String(data: jsonData, encoding: String.Encoding.utf8) { result = JSONString } } catch { result = "" } return result}func convertArrayToString(arr:[AnyObject]) -> String { var result:String = "" do { let jsonData = try JSONSerialization.data(withJSONObject: arr, options: JSONSerialization.WritingOptions.init(rawValue: 0)) if let JSONString = String(data: jsonData, encoding: String.Encoding.utf8) { result = JSONString } } catch { result = "" } return result}
實(shí)際測試:
let jsonText:String = "{/"order_info/":[{/"order_id/":/"1479828084819597144/",/"channel/":/"ios/",/"product_id/":/"02/"},{/"order_id/":/"1479828084819597144/",/"channel/":/"ios/",/"product_id/":/"02/"}]}" let dict = self.convertStringToDictionary(text: jsonText) print("字符串轉(zhuǎn)換之后的字典:/(dict!)") var dictionaryOrArray : [String: AnyObject] = [:] dictionaryOrArray["a/"b"] = "cd" as AnyObject? dictionaryOrArray["strings"] = ["string", "another"] as AnyObject? dictionaryOrArray["keywdict"] = [ "anotherKey": 100, "Key2": "Val2"] as AnyObject? dictionaryOrArray["numbers"] = [ 1, 2, 3] as AnyObject? dictionaryOrArray["bools"] = [ true, false] as AnyObject? let convertResult:String = self.convertDictionaryToString(dict: dictionaryOrArray) print("字典轉(zhuǎn)換之后的字符串:/(convertResult)") let array:[String] = ["FlyElephant","keso"] print("數(shù)組轉(zhuǎn)換之后的數(shù)組:/(self.convertArrayToString(arr: array as [AnyObject]))")
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