import Foundation func stringToJSON(_ jsonString: String) -> Any? { if let data = jsonString.data(using: .utf8) { do { let jsonObject = try JSONSerialization.jsonObject(with: data, options: []) return jsonObject } catch { print("Failed to convert string to JSON: \(error.locali...
解析字符串转换为Data转换为JSON错误处理 关系图 erDiagram STRING { string jsonString } DATA { data jsonData } JSON { jsonObject json } STRING ||..|| DATA : converts to DATA ||..|| JSON : transforms to 结论 经过以上步骤,你应该能够轻松地将字符串转换为JSON格式。在开发过程中,掌握这个技能...
init(name: String) { self.name = name } } // 定义视频 class Movie: MediaItem { var director: String init(name: String, director: String) { self.director = director super.init(name: name) } } // 定义音频 class Song: MediaItem { var artist: String init(name: String, artist: String...
funcconvertStringToDictionary(text:String)->[String:AnyObject]?{ifletdata=text.data(using:String.Encoding.utf8){do{returntryJSONSerialization.jsonObject(with:data,options:[JSONSerialization.ReadingOptions.init(rawValue:0)])as?[String:AnyObject]}catchleterrorasNSError{print(error)}}returnnil}funccon...
importFoundation// 假设我们有以下JSON字符串letjsonString=""" { "name": "John Doe", "age": 30, "isEmployed": true } """// 将JSON字符串转换为Dataguardletdata=jsonString.data(using: .utf8)else{fatalError("Failed to convert JSON string to Data") ...
Date() } func convert(to value: Date) throws -> Any { let dateFormatter = DateFormatter() dateFormatter.dateFormat = "yyyy-MM-dd HH:mm:ss" return dateFormatter.string(from: value) }}// 在解码器中注册自定义转换器let decoder = JSONJoyDecoder()decoder.registerConverter(for: Date.self, ...
Additionally, Objective-C protocols are still class-constrained in Swift, so you cannot make Swift structs or enums directly conform to Objective-C protocols or use them with lightweight generic classes. You will need to explicit convertString as NSString,Array as NSArray, etc. with these proto...
JSONDecoder().decode(Welcome.self, from: jsonData) import Foundation // MARK: - Welcome struct ComposerLinkImage: Codable { let height, width: Int let type: String let url: String } Of course, this doesn’t scale when I have near 50-60 models to convert over. So, taking stock of ...
structCar:Convertible{varname:String="Bently"varage:Int=10// 当Model即将开始转换为JSON时调用funckj_willConvertToJSON(){print("Car - kj_willConvertToJSON")}// 当Model转换JSON完毕时调用funckj_didConvertToJSON(json:[String:Any]){print("Car - kj_didConvertToJSON",json)}}letjsonString=Car(...
使用JSONDecoder 下面苹果使用 JSONDecoder 的一个例子来看看如何使用 JSONDecoder 代码语言:javascript 复制 struct GroceryProduct:Codable{varname:Stringvarpoints:Intvardescription:String?}letjson="""{"name":"Durian","points":600,"description":"A fruit with a distinctive scent."}""".data(using:.utf8...