/**
* 棋子
*/
function Chess(color)
{
//颜色
this.color = color;
/**
* 初始
*/
function init()
{
console.log('创建'+color+'棋子')
}
//坐标
this.point = function(x,y)
{
console.log(x+':'+y)
}
}
/**
* 对象池
*/
function Factory(){}
Factory.objects = {};
Factory.get = function(color)
{
var obj = Factory.objects[color];
if(obj == null)
{
obj = new Chess(color);
Factory.objects[color] = obj;
}
return obj;
}
/**
* 使用享元模式
*/
var c1 = Factory.get('红色')
var c2 = Factory.get('红色')
var c3 = Factory.get('黑色')
console.log(c1 == c2) //输出：true
console.log(Factory.objects) //输出：Object {红色: Chess, 黑色: Chess}
