Structify將 Swift 結(jié)構(gòu)轉(zhuǎn)換為 Objc 類的工具
Structify 旨在讓你更輕松將 Swift 結(jié)構(gòu)轉(zhuǎn)換為 Objective-C 類,開發(fā)者無需手動將結(jié)構(gòu)轉(zhuǎn)換為類,反之亦然。
不使用 Structify
struct User { let address: String let company: String let email: String let name: String let phone: String let uid: String let username: String let website: String let birthday: Date } class RLMUser: Object { @objc dynamic var address: String = "" @objc dynamic var company: String = "" @objc dynamic var email: String = "" @objc dynamic var name: String = "" @objc dynamic var phone: String = "" @objc dynamic var uid: String = "" @objc dynamic var username: String = "" @objc dynamic var website: String = "" @objc dynamic var birthday: Date = Date() override class func primaryKey() -> String? { return "uid" } } extension RLMUser { func toStruct() -> User { return User(address: address, company: company, email: email, name: name, phone: phone, uid: uid, username: username, website: website, birthday: birthday) } } extension User { func toObject() -> RLMUser { return RLMUser.build { object in object.uid = uid object.address = address object.company = company object.email = email object.name = name object.phone = phone object.username = username object.website = website object.birthday = birthday } } }
乍一看似乎很方便的方法。但是如果你的結(jié)構(gòu)不是那么小并且有更多的屬性呢?如果你有太多類似User這樣的結(jié)構(gòu)時怎么辦?如果您想在開發(fā)過程中為現(xiàn)有結(jié)構(gòu)添加更多屬性怎么辦?
使用 Structify
struct User { var address: String = "" var company: String = "" var email: String = "" var name: String = "" var phone: String = "" var uid: String = "" var username: String = "" var website: String = "" var birthday: Date = Date() } class RLMUser: Object { //you only set the primaryKey as usual override class func primaryKey() -> String? { return "uid" } } extension RLMUser: StructConvertible { typealias StructType = User } extension User: ObjectConvertible { typealias ClassType = RLMUser }
你唯一需要做的就是讓你的結(jié)構(gòu)符合
ObjectConvertible協(xié)議并創(chuàng)建一個 Objective-C 對類并符合StructConvertible協(xié)議。
要求
- iOS 8.0+
- Xcode 10.+
- Swift 4.2+
安裝
Structify 可通過 CocoaPods 獲得。要安裝它,只需將以下行添加到您的 Podfile 中:
pod 'Structify'
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