消息订阅与发布.md

消息订阅-发布机制

工具库：PubSubJS

下载：npm install pubsub-js --save

使用：

1. import PubSub from 'pubsub-js' // 引入
2. PubSub.subscribe('delete', function(data){}); // 订阅
3. PubSub.publish('delete', data) // 发布消息

var mySubscriber = function(msg, data) {
 console.log(msg, data);
};

var token = PubSub.subscribe('MY TOPIC', mySubscriber);

PubSub.unsubscribe(token);

var mySubscriber = function (msg, data) {
 console.log()
}

PubSub.publish('消息名', 'hello world')