“`” \u53c2\u8003\u56de\u7b54\uff1a<\/p>\n
\u7b80\u4ecb\uff1a\u89c2\u5bdf\u8005\u6a21\u5f0f\u6216\u8005\u8bf4\u8ba2\u9605\u6a21\u5f0f\uff0c\u5b83\u5b9a\u4e49\u4e86\u5bf9\u8c61\u95f4\u7684\u4e00\u79cd\u4e00\u5bf9\u591a\u7684\u5173\u7cfb\uff0c\u8ba9\u591a\u4e2a\u89c2\u5bdf\u8005\u5bf9\u8c61\u540c\u65f6\u76d1\u542c\u67d0\u4e00\u4e2a\u4e3b\u9898\u5bf9\u8c61\uff0c\u5f53\u4e00\u4e2a\u5bf9\u8c61\u53d1\u751f\u6539\u53d8\u65f6\uff0c\u6240\u6709\u4f9d\u8d56\u4e8e\u5b83\u7684\u5bf9\u8c61\u90fd\u5c06\u5f97\u5230\u901a\u77e5\u3002<\/p>\n
node\u4e2d\u7684Events\u6a21\u5757\u5c31\u662f\u901a\u8fc7\u89c2\u5bdf\u8005\u6a21\u5f0f\u6765\u5b9e\u73b0\u7684\uff1a<\/p>\n
<pre><code>var events=require('events');
\nvar eventEmitter=new events.EventEmitter();
\neventEmitter.on('say',function(name){
\nconsole.log('Hello',name);
\n})
\neventEmitter.emit('say','Jony yu');
\n<\/code><\/pre><\/p>\n
\u8fd9\u6837\uff0ceventEmitter\u53d1\u51fasay\u4e8b\u4ef6\uff0c\u901a\u8fc7On\u63a5\u6536\uff0c\u5e76\u4e14\u8f93\u51fa\u7ed3\u679c\uff0c\u8fd9\u5c31\u662f\u4e00\u4e2a\u8ba2\u9605\u6a21\u5f0f\u7684\u5b9e\u73b0\uff0c\u4e0b\u9762\u6211\u4eec\u6765\u7b80\u5355\u7684\u5b9e\u73b0\u4e00\u4e2aEvents\u6a21\u5757\u7684EventEmitter\u3002<\/p>\n
(1)\u5b9e\u73b0\u7b80\u5355\u7684Event\u6a21\u5757\u7684emit\u548con\u65b9\u6cd5<\/p>\n
<pre><code>function Events(){
\nthis.on=function(eventName,callBack){
\nif(!this.handles){
\nthis.handles={};
\n}
\nif(!this.handles[eventName]){
\nthis.handles[eventName]=[];
\n}
\nthis.handles[eventName].push(callBack);
\n}
\nthis.emit=function(eventName,obj){
\nif(this.handles[eventName]){
\nfor(var i=0;o<this.handles[eventName].length;i++){
\nthis.handles[eventName][i](obj);
\n}
\n}
\n}
\nreturn this;
\n}
\n<\/code><\/pre><\/p>\n
\u8fd9\u6837\u6211\u4eec\u5c31\u5b9a\u4e49\u4e86Events\uff0c\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u5f00\u59cb\u6765\u8c03\u7528\uff1a<\/p>\n
<pre><code>var events=new Events();
\nevents.on('say',function(name){
\nconsole.log('Hello',nama)
\n});
\nevents.emit('say','Jony yu');
\n<\/code><\/pre><\/p>\n
\/\/\u7ed3\u679c\u5c31\u662f\u901a\u8fc7emit\u8c03\u7528\u4e4b\u540e\uff0c\u8f93\u51fa\u4e86Jony yu<\/p>\n
(2)\u6bcf\u4e2a\u5bf9\u8c61\u662f\u72ec\u7acb\u7684<\/p>\n
\u56e0\u4e3a\u662f\u901a\u8fc7new\u7684\u65b9\u5f0f\uff0c\u6bcf\u6b21\u751f\u6210\u7684\u5bf9\u8c61\u90fd\u662f\u4e0d\u76f8\u540c\u7684\uff0c\u56e0\u6b64\uff1a<\/p>\n
<pre><code>var event1=new Events();
\nvar event2=new Events();
\nevent1.on('say',function(){
\nconsole.log('Jony event1');
\n});
\nevent2.on('say',function(){
\nconsole.log('Jony event2');
\n})
\nevent1.emit('say');
\nevent2.emit('say');
\n<\/code><\/pre><\/p>\n
\/\/event1\u3001event2\u4e4b\u95f4\u7684\u4e8b\u4ef6\u76d1\u542c\u4e92\u76f8\u4e0d\u5f71\u54cd<\/p>\n
\/\/\u8f93\u51fa\u7ed3\u679c\u4e3a'Jony event1' 'Jony event2'<\/p>\n
<pre><code> "“`
\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
“`” \u53c2\u8003\u56de\u7b54\uff1a \u7b80\u4ecb\uff1a\u89c2\u5bdf\u8005\u6a21\u5f0f\u6216\u8005\u8bf4\u8ba2\u9605\u6a21\u5f0f\uff0c\u5b83\u5b9a\u4e49\u4e86\u5bf9\u8c61\u95f4\u7684\u4e00\u79cd\u4e00\u5bf9\u591a\u7684\u5173\u7cfb\uff0c […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-43867","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/43867","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=43867"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/43867\/revisions"}],"predecessor-version":[{"id":43868,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/43867\/revisions\/43868"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=43867"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=43867"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=43867"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}