Egret 类的创建和继承

1class test extends egret.DisplayObjectContainer {
2	/**
3	 * 类的创建
4	 */
5	//属性
6	name: string;
7	age: number;
8	ts: test;
9	//可传参的构造方法
10	public constructor(name: string, age: number) {
11		super();
12		this.name = name;
13		this.age = age;
14	}
15	//普通函数
16	public print() {
17		return this.name + ":" + this.age;
18	}
19	public check() {
20		//使用:利用对象调用函数的执行
21		let tc = new test("sss", 12);
22		alert(tc.print());
23		//2
24
25	}
26
27}
28let tc = new test("sss", 12);
29alert(tc.print());
30/**
31 * 类的继承
32 */
33class Person {
34	name: string;
35	age: number;
36	public constructor() { }
37	//普通函数
38	public print() {
39		return this.name + ":" + this.age;
40	}
41	public check() {
42		//使用
43
44	}
45}
46class Student extends Person {
47	school: string;
48	public print() {
49		return this.name + ":" + this.age + "：" + this.school;
50	}
51}
52//调用
53var s = new Student();
54s.name = "ss";
55s.age = 900;
56s.school = "aa";
57alert(s.print());
58//或者通过构造函数直接传参，就不需要对象做赋值操作
59//Person
60/*
61public constructor(name: string, age: number) {   
62	this.name = name;
63	this.age = age;
64}
65//student
66public constructor(school:string) {   
67	this.school = school;
68	super("aaa",100);
69}*/