letfileURL=documentsDirectory.appendingPathComponent(fileName)do{letjsonData=tryJSONEncoder().encode(user)tryjsonData.write(to:fileURL)print("JSON 数据写入成功:\(fileURL.path)")}catch{print("写入 JSON 文件失败:\(error)")}}// 示例调用letuser=User(name:"Alice",age:30)writeJSONToFile(user:u...
(arr as NSArray).write(toFile: "Users/你的用户名/Desktop/mian.plist", atomically: true)
info.write(toFile: hfilepath, atomically: true, encoding: String.Encoding.utf8) (2)把图片保存到文件路径下 let h1filePath:String = NSHomeDirectory() + "/Documents/hero.png" let himage = UIImage(named: "Icon_180.png") let hdata:Data = UIImagePNGRepresentation(himage!)! try? hdata.wri...
write(to: destinationURL) print("File written successfully") } catch { print("Error writing file: \(error)") } 1. 2. 3. 4. 5. 6. 7. 8. 上面的代码将文件数据写入另一个文件中。我们使用了write(to:)方法将Data写入到指定的文件路径。 分析文件数据 let fileSize = fileData.count print...
func pairUp3<each T: WritesFrontEndCode, each U: WritesBackEndCode>(firstPeople: repeat each T, secondPeople: repeat each U) -> (repeat (first: each T, second: each U)) { return (repeat (each firstPeople, each secondPeople))
if!commitMessage.contains(ticketNumber){do{try"\(ticketNumber) - \(commitMessage.trimmingCharacters(in: .newlines))".write(toFile:commitMessageFile,atomically:true,encoding:.utf8)}catch{print("Could not write to file \(commitMessageFile)")exit(1)}} ...
With support for Swift Packages,Swift Playgroundmakes it easier than ever to code your creations. Packages are bundles of reusable code that can be created by you or other developers and included in your projects. With the power of packages, you can quickly write code which formats data, queri...
database.store. SQLite error code:6922, 'disk I/O error' with userInfo of { NSFilePath = "/var/mobile/Containers/Data/Application/499A6802-02E5-4547-83C4-88389AEA50F5/Library/Application Support/database.store"; NSSQLiteErrorDomain = 6922; } error: -executeRequest: encountered exception =...
During this WWDC session we also demonstrated controlling a Sphero SPRK+ robot on stage, driven by Swift Playgrounds on iPad. Because code in Swift Playgrounds has access to the iOS SDK, including the CoreBluetooth framework, you can write programs that can completely control devices such as these...
The --inferoptions command can now write the result to a config file using the --output option Added emptyBraces rule for removing blank lines inside empty {} pairs Fixed handling of spaces and other special characters inside the --header option when using config files Fixed parsing and serial...