鑳屾櫙鍦ㄤ笟鍔″紑鍙戜腑锛屾垜浠粡甯镐細閬囧埌澶勭悊璺ㄩ〉闈㈤€氫俊鐨勯棶棰樸€備緥濡傦紝褰撶敤鎴锋墦寮€涓€涓綉绔欐椂锛岀綉绔欑殑鏌愪簺椤甸潰闇€瑕佹牴鎹敤鎴风殑鐧诲綍鐘舵€佽€屾湁鎵€涓嶅悓銆?鏄剧ず涓嶅悓鐨勬暟鎹€傛樉鐒讹紝杩欏氨闇€瑕佹垜浠湪鐧诲綍鎴愬姛鐨勯偅涓€鍒婚€氱煡閭ｄ簺闇€瑕佹洿鏀圭殑椤甸潰銆備负浜嗚В鍐宠繖鏍风殑闂锛屽彂甯?璁㈤槄妯″瀷璇炵敓浜嗐€傛€濊矾涓€涓畝鍗曠殑鍙戝竷-璁㈤槄妯″瀷锛岃姹備簨浠剁粦瀹氬拰瑙﹀彂鐩镐簰闅旂锛屾敮鎸佸姩鎬佸鍒犱簨浠躲€傚熀浜庢锛屾湁涓€涓€濊矾锛氬畾涔変竴涓彉閲忔潵瀛樺偍杩欎簺浜嬩欢瀹氫箟涓€涓粰浜嬩欢鍙橀噺娣诲姞浜嬩欢鐨勭洃鍚柟娉曞畾涔変竴涓粠鍙橀噺涓Щ闄や簨浠剁殑鍒犻櫎鏂规硶瀹氫箟涓€涓Е鍙戞柟娉曚负鏍规嵁涓婇潰鐨勬€濊矾锛屽彲浠ュぇ鑷寸煡閬撶敤娉曠被浼间簬浠ヤ笅鍐呭锛歷aremitter=newEventEmitter();varhandle=function(data){console.log(data)}//椤甸潰A璁㈤槄LOGIN浜嬩欢emitter.on('LOGIN',handle)//鐧诲綍鎴愬姛锛岃Е鍙戦噴鏀緀mitter.emit('LOGIN',{user:{name:'Jan',age:18}})鍏蜂綋浠ｇ爜瀹炵幇functionEventEmitter(){//浜嬩欢鍙橀噺this._event={}}//娣诲姞璁㈤槄EventEmitter.prototype.on=function(type,handle){this._event[type]=this._event[type]||[]this._event[绫诲瀷]銆俻ush(handle)}//绉婚櫎璁㈤槄EventEmitter.prototype.remove=function(type,handle){varindex=(this._event[type]||[]).indexOf(handle)if(index!==-1){this._event[type].splice(index,1)}}//瑙﹀彂閲婃斁EventEmitter.prototype.emit=function(type,data){(this._event[type]||[]).forEach(function(handle){handle(data)})}Howtoimplementasimplepublish-subscribemodel棣栧彂浜庤仛浜皬绔欙紝濡傛灉瀵逛綘鏈夊府鍔╋紝鍒繕浜嗙偣璧炴敮鎸侌煄?/p>
