// 非接口实现

function printLabel( labelObj:{label:string} ) {

console.log(labelObj.label);

}

var myObj = {label:"hello"};

printLabel(myObj);

// 接口 可选属性

interface Person {

name:string;

age?:number;

}

function printPerson( p:Person ) {

console.log(p.name);

}

var people = {name:"csxiaoyao"}; // 没有age属性

printPerson(people); // csxiaoyao

// 接口 函数类型

interface SearchFunc {

(source:string,subString:string):boolean;

}

var mySearch:SearchFunc;

mySearch = function(src:string,sub:string) {

var result = src.search(sub);

if(result != -1){

return true;

}else{

return false;

}

}

// 接口 数组类型

interface StringArray{

[index:number]:string;

}

var myArray:StringArray;

myArray = ["csxiaoyao","sunshine"];

alert(myArray[1]);

// 接口 class类型

interface ClockInterface{

currentTime:Date;

setTime(d:Date);

}

class Clock implements ClockInterface{

currentTime:Date;

setTime(d:Date){

this.currentTime = d;

}

constructor(h:number, m:number){

}

}

// 接口 继承

interface Shape{

color:string;

}

interface PenStroke{

penWidth:number;

}

interface Square extends Shape,PenStroke {

sideLength: number;

}

var s = <Square>{};

s.color = "blue";

s.penWidth = 10;

s.sideLength = 10;

// 接口 混合类型

interface Counter{

interval:number;

reset():void;

(srart:number):string;

}

var c:Counter;

c(10);

c.reset();