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"Unknown error")") return } do { // 解析JSON数据 let decoder = JSONDecoder() let items = try decoder.decode([Item].self, from: data) // 获取Core Data的上下文 guard let context = persistentContainer.viewContext else { return } // 更新或插入数据 for item in items { let existingItem ...
现在,我们可以使用自动生成的Person模型类来解析JSON数据: ifletjsonData=jsonString.data(using:.utf8){do{letperson=tryJSONDecoder().decode(Person.self,from:jsonData)print(person.name)// 输出 "John"print(person.age)// 输出 25print(person.email)// 输出 "john@example.com"}catch{print("JSON解析...
Decoder Text to Binary Octal to Hexadecimal Word Sorter Number Sorter Words to Numbers Crontab Generator Numbers to Words Morse Code Translator SASS to CSS IP to Hex Bcrypt Generator Remove Spaces Fibonacci Calculator Text to One Line Hex to IP Hex to ASCII CSV to TXT TXT to CSV Decimal to ...
VideoDecoder支持的包装方式是AVCC还是AnnexB 音视频文件的封装协议与编码格式有哪些 音频PCM数据添加音效功能 如何获取系统支持的编解码能力 图形和游戏开发 图形和游戏 2D图形(ArkGraphics 2D) 如何使用EGL绘制自定义动画?请提供一个简单示例 应用帧率如何监控,运行时如何获取应用的帧率、渲染帧的耗时 多...
"""letjsonData=jsonString.data(using:.utf8)!do{letdecoder=JSONDecoder()letroot=trydecoder.decode(Root.self,from:jsonData)print(root)}catch{ 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19.
The main document container is a simplistic header that provides metadata about the document, as well as information on visual presentation (templates, individual styles). The timed overlay entries are stored as an array in thedataattribute. ...
URL Encoder & Decoder:Online Free URL Encoder and Decoder tool. Base 64 Encoder & Decoder Hash Generators This section provides a list of hash generators that you can use to generate hashes for various purposes. SHA256 Hash Generator
Html Decoder Add slashes Strip slashes Number To Word Converter String Utilities Text Transformer Case Converter Date Calculator Date/Time To Unix TimeStamp Unix TimeStamp To Date/Time Seconds to Human Time Converter Seconds to Hours:Minutes:Seconds Converter Image Converters Convert JPG to PNG Convert...
Under the test folder, you can find a script to test individual data types and inputs using various encoders and decoders. This unit testing script also serves as a specification validator to the JSONLab functions and ensure that the outputs are compliant to the underlying specifications. ...