import UIKit
class Person : NSObject {
var name : String?
var age : Int = 0
// 父類的init方法,子類再來寫的時候,叫做方法的重寫
// 如果是方法的重寫,則需要在重寫的方法前加override
override init() {
age = 10
}
init(age : Int, name : String) {
self.age = age
self.name = name
}
// 傳入字典,轉化成模型對象
// init(dict : Dictionary<String, AnyObject>) {
// age = dict["age"] as! Int
// name = dict["name"] as? String
// }
// 傳入字典,轉化成模型對象(KVC)
init (dict : [String : AnyObject]) {
super.init()
self.setValuesForKeysWithDictionary(dict)
}
}
// let p = Person()
// 需求:創建出來的person年齡自動爲10
let p = Person()
print(p.age)
// 需求:創建person時可以直接指定名字和年齡
let p1 = Person(age: 20, name: "why")
if let tempName = p1.name {
print("my name is \(tempName) age is \(p1.age)")
}
let dict = ["name" : "yz", "age" : 18]
let p2 = Person(dict: dict)
if let tempName = p2.name {
print("my name is \(tempName) age is \(p2.age)")
}