{"id":6154,"date":"2023-01-07T11:11:11","date_gmt":"2023-01-07T03:11:11","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6154"},"modified":"2023-01-07T11:11:11","modified_gmt":"2023-01-07T03:11:11","slug":"%e4%ba%86%e8%a7%a3node-js%e4%b8%ad%e7%9a%84%e4%ba%8b%e4%bb%b6%e5%be%aa%e7%8e%afeventloop","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/node-js\/%e4%ba%86%e8%a7%a3node-js%e4%b8%ad%e7%9a%84%e4%ba%8b%e4%bb%b6%e5%be%aa%e7%8e%afeventloop\/","title":{"rendered":"\u4e86\u89e3Node.js\u4e2d\u7684\u4e8b\u4ef6\u5faa\u73af(EventLoop)"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Node.js, \u4e8b\u4ef6\u5faa\u73af, event loop\"><\/p>\n<h1>\u5982\u4f55\u5728 Node.js \u4e2d\u4f7f\u7528\u4e8b\u4ef6\u5faa\u73af(event loop)\uff1f<\/h1>\n<p>Node.js \u662f\u4e00\u500b\u57fa\u65bc JavaScript 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Trigger\uff09\uff1a<\/strong>\u4e8b\u4ef6\u89f8\u767c\u5668\u662f\u4e00\u500b\u7528\u65bc\u6aa2\u67e5\u4e8b\u4ef6\u968a\u5217\u7684\u7a0b\u5e8f\uff0c\u5b83\u6703\u6aa2\u67e5\u4e8b\u4ef6\u968a\u5217\u4e2d\u662f\u5426\u6709\u65b0\u7684\u4e8b\u4ef6\uff0c\u5982\u679c\u6709\uff0c\u5247\u6703\u89f8\u767c\u5c0d\u61c9\u7684\u56de\u8abf\u51fd\u6578\u3002<\/li>\n<li><strong>\u4e8b\u4ef6\u8655\u7406\u7a0b\u5e8f\uff08Event Handler\uff09\uff1a<\/strong>\u4e8b\u4ef6\u8655\u7406\u7a0b\u5e8f\u662f\u4e00\u500b\u7528\u65bc\u57f7\u884c\u56de\u8abf\u51fd\u6578\u7684\u7a0b\u5e8f\uff0c\u5b83\u6703\u6aa2\u67e5\u4e8b\u4ef6\u89f8\u767c\u5668\u89f8\u767c\u7684\u4e8b\u4ef6\uff0c\u4e26\u57f7\u884c\u5c0d\u61c9\u7684\u56de\u8abf\u51fd\u6578\u3002<\/li>\n<\/ul>\n<h2>\u5982\u4f55\u5728 Node.js \u4e2d\u4f7f\u7528\u4e8b\u4ef6\u5faa\u74b0\uff1f<\/h2>\n<p>\u5728 Node.js \u4e2d\u4f7f\u7528\u4e8b\u4ef6\u5faa\u74b0\u975e\u5e38\u7c21\u55ae\uff0c\u53ea\u9700\u8981\u5b9a\u7fa9\u4e00\u500b\u4e8b\u4ef6\u8655\u7406\u7a0b\u5e8f\uff0c\u4e26\u5c07\u5176\u50b3\u905e\u7d66\u4e8b\u4ef6\u89f8\u767c\u5668\u5373\u53ef\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u5c07\u5b9a\u7fa9\u4e00\u500b\u540d\u70ba <code>myEventHandler<\/code> \u7684\u4e8b\u4ef6\u8655\u7406\u7a0b\u5e8f\uff0c\u4e26\u5c07\u5176\u50b3\u905e\u7d66\u4e8b\u4ef6\u89f8\u767c\u5668\uff1a<\/p>\n<pre class=\"brush: javascript\">\nconst myEventHandler = (event) => {\n    \/\/ \u5728\u9019\u88e1\u57f7\u884c\u4e8b\u4ef6\u8655\u7406\u7a0b\u5e8f\n};\n\n\/\/ \u5c07\u4e8b\u4ef6\u8655\u7406\u7a0b\u5e8f\u50b3\u905e\u7d66\u4e8b\u4ef6\u89f8\u767c\u5668\neventTrigger.on('myEvent', myEventHandler);\n<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba <code>myEventHandler<\/code> 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