swift data 转 string 文心快码BaiduComate 在Swift中,将Data类型转换为String通常涉及指定数据的编码方式。由于Data可以包含任意字节序列,而String则是一种表示文本的数据类型,因此必须明确这些字节是如何被编码为字符的。最常用的编码方式是UTF-8,因为它能够表示世界上几乎所有的字符集。 以下是将Data转换为String的...
24print(data.count)//52526//String转[UInt8]27str="hello"28array=[UInt8](str.utf8)29print(array)//[104, 101, 108, 108, 111]3031//[UInt8]转String32array=[0x39,0x39,0x39]33str=String(bytes:array,encoding: .utf8)!34print(str)//999...
var array=[UInt8]() var str="" //Data转[UInt8] data.append(10) array=[UInt8](data) print(array)//[10] //[UInt8]转Data array=[1,2,3,4,5] data=Data(array) print(data.count)//5 //Data转String data.removeAll() data.append(contentsOf: [0x31,0x32,0x33]) str=String(data:...
options:.prettyPrinted)letjsonString=String(data:jsonData,encoding:.utf8)returnjsonString}catch{print("Error converting data to JSON string:\(error.localizedDescription)")returnnil}}// 使用示例letdata="{\"name\":\"John\",\"age\":25,\"isStudent\...
swift data 和 音频互转 swift any转string 先介绍一下 Swift Swift是苹果在2014年6月WWDC发布的全新编程语言,借鉴了JS,Python,C#,Ruby等语言特性,看上去偏脚本化,Swift 仍支持 cocoa touch 框架 他的优点: Swift更加安全,它是类型安全的语言。 Swift容易阅读,语法和文件结构简易化。
If you know an instance of Data contains a String and you want to convert it, you can use the String(decoding:as:) initializer, like this:let str = String(decoding: data, as: UTF8.self)If the Data instance can’t be converted to a UTF-8 string, you’ll might be sent back an ...
publicextensionBackingData{// Computed property to access the NSManagedObjectvarmanagedObject:NSManagedObject?{guardletobject=getMirrorChildValue(of:self,childName:"_managedObject")as?NSManagedObjectelse{returnnil}returnobject}}funcgetMirrorChildValue(ofobject:Any,childName:String)->Any?{guardletchild=Mirror...
当前,使用 SwiftData 的原生方法如下所示: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 funcgetCollectCountByCategoryByQuery(categoryName:String)->Int{guardletcategory=getCategory(by:categoryName)else{fatalError("Can't get tag by name:\(categoryName)")}letdescription=FetchDescriptor<ArticleCollection...
Tells SwiftData not to persist the annotated property when managing the owning class. macroRelationship(Schema.Relationship.Option...,deleteRule:Schema.Relationship.DeleteRule,minimumModelCount:Int?,maximumModelCount:Int?,originalName:String?,inverse:AnyKeyPath?,hashModifier:String?) ...
result = NSString(data: data, encoding: NSUTF8StringEncoding)做HTTP 请求时 遇到 打印结果看 所以~~~