/*** Created with JetBrains WebStorm.* User: 宇喬* Date: 13-8-2* Time: 下午3:01* To change this template use File | Settings | File Templates.*/function Event(name) {var handlers = [];this.getName = function () {return name;}this.addHandler = function (handler) {handlers.push(handler);}this.removeHandler = function (handler) {handlers.forEach(function (item, i) {if (item == handler) {handler.splice(i, 1);}})}this.fire = function (eventArgs) {handlers.forEach(function (h) {h(eventArgs);})} }function EventAggregator() {var events = [];function getEvent(name) {var fn;events.forEach(function (item) {if (item.getName() == name) {fn = item;return;}});return fn;}this.subscribe = function (eventName, handler) {var event = getEvent(eventName);if (!event) {event = new Event(eventName);events.push(event);}event.addHandler(handler);}this.publish = function (eventName, eventArgs) {var event = getEvent(eventName);if (!event) {event = new Event(eventName);events.push(event);}event.fire(eventArgs);} }

　　

轉載于:https://www.cnblogs.com/Mr-Joe/p/3232729.html

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