node EventEmitter 注册事件

var EventEmitter = require("events").EventEmitter
var event = new EventEmitter()
event.on("some_event",function(){
    console.log("I'm a event")
})
setTimeout(function(){
    event.emit("some_event")
},3000)

 

转载于:https://www.cnblogs.com/sunbey/p/5708016.html