在swift中创建带有` `default values`的非可选可编码的最佳方法

struct Person: Codable {
    var name: String
    var age: Int
    var occupation: String
    
    init(name: String = "Unknown", age: Int = 0, occupation: String = "Unemployed") {
        self.name = name
        self.age = age
        self.occupation = occupation
    }
}

let person = Person(name: "John", age: 30, occupation: "Developer")

// 编码为JSON数据
let encoder = JSONEncoder()
if let jsonData = try? encoder.encode(person) {
    if let jsonString = String(data: jsonData, encoding: .utf8) {
        print(jsonString)
    }
}

// 从JSON数据解码为Person对象
let jsonString = """
{
    "name": "Jane",
    "age": 25,
    "occupation": "Designer"
}
"""

let decoder = JSONDecoder()
if let jsonData = jsonString.data(using: .utf8) {
    if let decodedPerson = try? decoder.decode(Person.self, from: jsonData) {
        print(decodedPerson)
    }
}

{"name":"John","age":30,"occupation":"Developer"}

Person(name: "Jane", age: 25, occupation: "Designer")