{"id":4155,"date":"2024-11-10T16:45:49","date_gmt":"2024-11-10T08:45:49","guid":{"rendered":"https:\/\/fwq.ai\/blog\/4155\/"},"modified":"2024-11-10T16:45:49","modified_gmt":"2024-11-10T08:45:49","slug":"%e5%ae%8c%e6%95%b4%e6%8c%87%e5%8d%97%ef%bc%9a%e4%bd%bf%e7%94%a8-nodejs-%e8%bf%9b%e8%a1%8c%e6%b6%88%e6%81%af%e4%bc%a0%e9%80%92","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/4155\/","title":{"rendered":"\u5b8c\u6574\u6307\u5357\uff1a\u4f7f\u7528 Nodejs \u8fdb\u884c\u6d88\u606f\u4f20\u9012"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173123442428506.jpg\" class=\"aligncenter\" title=\"\u5b8c\u6574\u6307\u5357\uff1a\u4f7f\u7528 Nodejs \u8fdb\u884c\u6d88\u606f\u4f20\u9012\u63d2\u56fe\" alt=\"\u5b8c\u6574\u6307\u5357\uff1a\u4f7f\u7528 Nodejs \u8fdb\u884c\u6d88\u606f\u4f20\u9012\u63d2\u56fe\" \/><\/p>\n<p>node.js<strong> \u4e2d\u7684\u6d88\u606f\u4f20\u9012\u662f\u521b\u5efa\u53ef\u6269\u5c55\u3001\u5f39\u6027\u548c\u5f02\u6b65\u7cfb\u7edf\u7684\u57fa\u672c\u5b9e\u8df5\uff0c\u5c24\u5176\u662f\u5728\u57fa\u4e8e\u5fae\u670d\u52a1\u7684\u67b6\u6784\u4e2d\u3002\u672c\u6307\u5357\u6db5\u76d6\u4e86 rabbitmq \u548c kafka \u7b49\u6d41\u884c\u5e93\u7684\u5b9e\u9645\u5b9e\u65bd\u7684\u57fa\u672c\u6982\u5ff5\u3002<\/strong> <\/p>\n<hr>\n<h3>1.\u4ec0\u4e48\u662f\u6d88\u606f\u4f20\u9012\u4ee5\u53ca\u4f7f\u7528\u5b83\uff1f<strong> <\/strong> <\/h3>\n<p>\u6d88\u606f\u4f20\u9012\u662f\u5728\u670d\u52a1\u6216\u8f6f\u4ef6\u7ec4\u4ef6\u4e4b\u95f4\u53d1\u9001\u3001\u63a5\u6536\u548c\u7ba1\u7406\u6d88\u606f\u7684\u8fc7\u7a0b\u3002\u5b83\u9002\u7528\u4e8e\uff1a <\/p>\n<ul>\n<li>\u89e3\u8026<strong>\uff1a\u5141\u8bb8\u670d\u52a1\u72ec\u7acb\u3002<\/strong> <\/li>\n<li>\u53ef\u6269\u5c55\u6027<strong>\uff1a\u901a\u8fc7\u5206\u53d1\u6d88\u606f\u6765\u7ba1\u7406\u9ad8\u6d41\u91cf\u8d1f\u8f7d\u3002<\/strong> <\/li>\n<li>\u5f39\u6027<strong>\uff1a\u5373\u4f7f\u5728\u51fa\u73b0\u4e34\u65f6\u6545\u969c\u7684\u60c5\u51b5\u4e0b\u4e5f\u80fd\u786e\u4fdd\u6d88\u606f\u5904\u7406\u3002<\/strong> <\/li>\n<\/ul>\n<p>\u5e38\u89c1\u4f7f\u7528\u573a\u666f<strong>:<\/strong> <\/p>\n<ul>\n  \u540e\u53f0\u4f5c\u4e1a\u961f\u5217\u3002 <\/p>\n<li> <\/li>\n<p>\u5fae\u670d\u52a1\u4e4b\u95f4\u7684\u901a\u4fe1\u3002 <\/p>\n<li> <\/li>\n<p>\u5b9e\u65f6\u5904\u7406\uff0c\u4f8b\u5982\u6d3b\u52a8\u8ddf\u8e2a\u3002 <\/p>\n<li> <\/li>\n<\/ul>\n<hr>\n<h3>2.\u914d\u7f6e node.js \u73af\u5883<strong> <\/strong> <\/h3>\n<ol>\n<li>\u5b89\u88c5 node.js<strong>\uff1a\u786e\u4fdd\u60a8\u5b89\u88c5\u4e86\u6700\u65b0\u7248\u672c\u7684 node.js\u3002<\/strong> <\/li>\n<li>\u5305\u7ba1\u7406\u5668<strong>\uff1a\u4f7f\u7528<\/strong>npm<strong>\u6216<\/strong>yarn<strong>\u5b89\u88c5\u4f9d\u8d56\u9879\u3002<\/strong> <\/li>\n<li>\u57fa\u672c\u4f9d\u8d56<strong>\uff1a <\/strong>\n<ul>\n    dotenv \u7528\u4e8e\u73af\u5883\u53d8\u91cf\u3002 <\/p>\n<li> <\/li>\n<p> amqplib \u6216 kafkajs \u7528\u4e8e\u4e0e\u6d88\u606f\u670d\u52a1\u901a\u4fe1\u3002 <\/p>\n<li> <\/li>\n<\/ul>\n<\/li>\n<pre>npm install dotenv amqplib\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236\n<\/ol>\n<hr>\n<h3>3.\u6d88\u606f\u4f20\u9012\u534f\u8bae\u548c\u5de5\u5177<strong> <\/strong> <\/h3>\n<h4>rabbitmq<strong>\uff1a <\/strong> <\/h4>\n<p>rabbitmq \u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684 amqp \u4ee3\u7406\uff0c\u7528\u4e8e\u4ea4\u6362\u6d88\u606f\u3002 <\/p>\n<ul>\n  \u7528\u4e8e\u961f\u5217\u548c\u6d88\u606f\u4ea4\u6362\uff08\u76f4\u63a5\u3001\u4e3b\u9898\u3001\u6247\u51fa\u3001\u6807\u5934\uff09\u3002 <\/p>\n<li> <\/li>\n<p>\u4fc3\u8fdb rpc\uff08\u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528\uff09\u548c pub\/sub \u7b49\u6807\u51c6\u3002 <\/p>\n<li> <\/li>\n<\/ul>\n<h4>\u963f\u5e15\u5947\u5361\u592b\u5361<strong>\uff1a <\/strong> <\/h4>\n<p>\u975e\u5e38\u9002\u5408\u5927\u89c4\u6a21\u6570\u636e\u6d41\u3002 <\/p>\n<ul>\n  \u4e8b\u4ef6\u9a71\u52a8\u3002 <\/p>\n<li> <\/li>\n<p>\u9ad8\u6027\u80fd\u5b9e\u65f6\u5904\u7406\u3002 <\/p>\n<li> <\/li>\n<\/ul>\n<h4>\u5176\u4ed6\u9009\u9879<strong>\uff1a <\/strong> <\/h4>\n<ul>  streams\uff1a\u5bf9\u4e8e\u7279\u5b9a\u60c5\u51b5\u66f4\u7b80\u5355\u3001\u66f4\u5feb\u3002 <\/p>\n<li> <\/li>\n<p>mqtt\uff1a\u7528\u4e8e\u7269\u8054\u7f51\uff0c\u7528\u4e8e\u8bbe\u5907\u4e4b\u95f4\u7684\u8f7b\u91cf\u7ea7\u901a\u4fe1\u3002 <\/p>\n<li> <\/li>\n<\/ul>\n<hr>\n<h3>4.\u4f7f\u7528 rabbitmq \u7684\u57fa\u672c\u5b9e\u73b0<strong> <\/strong> <\/h3>\n<h4>\u7b2c 1 \u6b65\uff1a\u914d\u7f6e rabbitmq \u670d\u52a1\u5668<strong> <\/strong> <\/h4>\n<ul>\n  \u5b89\u88c5\u5e76\u8fd0\u884c rabbitmq\uff08\u672c\u5730\u6216\u5728  \u5bb9\u5668\u4e2d\uff09\uff1a <\/p>\n<li> <\/li>\n<pre>docker run -d --name rabbitmq -p 5672:5672 -p 15672:15672 rabbitmq:management\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236\n<\/ul>\n<h4>\u7b2c 2 \u6b65\uff1a\u8fde\u63a5\u5230 rabbitmq<strong> <\/strong> <\/h4>\n<p>\u4f7f\u7528 amqplib \u5e93\u521b\u5efa\u8fde\u63a5\u548c\u961f\u5217\u3002 <\/p>\n<p> <\/p>\n<pre>const amqp = require('amqplib');\n\nasync function connect() {\n  try {\n    const connection = await amqp.connect('amqp:\/\/localhost');\n    const channel = await connection.createchannel();\n    const queue = 'tasks';\n\n    await channel.assertqueue(queue, { durable: true });\n\n    console.log(`waiting for messages in ${queue}`);\n    channel.consume(queue, (msg) =&gt; {\n      console.log(`received: ${msg.content.tostring()}`);\n      channel.ack(msg);\n    });\n  } catch (err) {\n    console.error('error:', err);\n  }\n}\n\nconnect();\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<hr>\n<h3>5.\u4f7f\u7528 kafka \u5b9e\u73b0<strong> <\/strong> <\/h3>\n<p>kafka \u9700\u8981 kafkajs \u5e93\u3002 <\/p>\n<h4>\u521d\u59cb\u8bbe\u7f6e<strong> <\/strong> <\/h4>\n<ol>\n  \u672c\u5730\u5b89\u88c5 kafka \u6216\u4f7f\u7528 docker \u5b89\u88c5\u3002 <\/p>\n<li> <\/li>\n<p>\u5b89\u88c5\u5e93\uff1a <\/p>\n<li> <\/li>\n<pre>   npm install kafkajs\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236\n<\/ol>\n<h4>\u4f7f\u7528 kafkajs \u7684\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005<strong> <\/strong> <\/h4>\n<p>\u5236\u4f5c\u4eba<strong>\uff1a<\/strong>  <\/p>\n<pre>const { kafka } = require('kafkajs');\n\nconst kafka = new kafka({ clientid: 'my-app', brokers: ['localhost:9092'] });\n\nconst producer = kafka.producer();\n\nasync function sendmessage() {\n  await producer.connect();\n  await producer.send({\n    topic: 'test-topic',\n    messages: [{ value: 'hello kafkajs' }],\n  });\n  await producer.disconnect();\n}\n\nsendmessage();\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6d88\u8d39\u8005<strong>\uff1a<\/strong>  <\/p>\n<pre>const consumer = kafka.consumer({ groupId: 'test-group' });\n\nasync function consumeMessages() {\n  await consumer.connect();\n  await consumer.subscribe({ topic: 'test-topic', fromBeginning: true });\n\n  await consumer.run({\n    eachMessage: async ({ topic, partition, message }) =&gt; {\n      console.log({\n        partition,\n        value: message.value.toString(),\n      });\n    },\n  });\n}\n\nconsumeMessages();\n<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<hr>\n<h3>6.\u826f\u597d\u5b9e\u8df5<strong> <\/strong> <\/h3>\n<ol>\n<li>\u7ba1\u7406\u9519\u8bef<strong>\uff1a\u786e\u4fdd\u5904\u7406\u9519\u8bef\u5e76\u91cd\u65b0\u53d1\u9001\u6d88\u606f\u3002<\/strong> <\/li>\n<li>\u5e42\u7b49\u6027<strong>\uff1a\u786e\u4fdd\u6d88\u606f\u5904\u7406\u662f\u5e42\u7b49\u7684\u3002<\/strong> <\/li>\n<li>\u76d1\u63a7\u7cfb\u7edf<strong>\uff1a\u4f7f\u7528 prometheus \u548c grafana \u7b49\u5de5\u5177\u6765\u8ddf\u8e2a\u6307\u6807\u3002<\/strong> <\/li>\n<\/ol>\n<hr>\n<h3>7.\u5176\u4ed6\u8d44\u6e90<strong> <\/strong> <\/h3>\n<ul>\n  rabbitmq \u548c kafkajs \u7684\u5b98\u65b9\u6587\u6863\u3002 <\/p>\n<li> <\/li>\n<p>\u5b66\u4e60\u5e72\u51c0\u7684\u67b6\u6784\u6765\u7ec4\u7ec7\u6d88\u606f\u7cfb\u7edf\u30106\u3011\u30107\u3011\u30108\u3011\u3002 <\/p>\n<li> <\/li>\n<\/ul>\n<p>\u901a\u8fc7\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u60a8\u5c06\u62e5\u6709\u4e00\u4e2a\u5f3a\u5927\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u7528\u4e8e\u5904\u7406 node.js \u4e2d\u7684\u6d88\u606f\u4f20\u9012\uff0c\u51c6\u5907\u597d\u6269\u5c55\u5e76\u6ee1\u8db3\u73b0\u4ee3\u9700\u6c42\u3002\u5982\u679c\u60a8\u9700\u8981\u7279\u5b9a\u6848\u4f8b\u7684\u5e2e\u52a9\uff0c\u8bf7\u968f\u65f6\u8be2\u95ee\uff01 <\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5b8c\u6574\u6307\u5357\uff1a\u4f7f\u7528 Nodejs \u8fdb\u884c\u6d88\u606f\u4f20\u9012\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>node.js \u4e2d\u7684\u6d88\u606f\u4f20\u9012\u662f\u521b\u5efa\u53ef\u6269\u5c55\u3001\u5f39\u6027\u548c\u5f02\u6b65\u7cfb\u7edf\u7684\u57fa\u672c\u5b9e\u8df5\uff0c\u5c24\u5176\u662f\u5728\u57fa\u4e8e\u5fae\u670d\u52a1\u7684\u67b6\u6784\u4e2d\u3002\u672c\u6307\u5357\u6db5\u76d6\u4e86 rabbitmq \u548c kafka \u7b49\u6d41\u884c\u5e93\u7684\u5b9e\u9645\u5b9e\u65bd\u7684\u57fa\u672c\u6982\u5ff5\u3002 1.\u4ec0\u4e48\u662f\u6d88\u606f\u4f20\u9012\u4ee5\u53ca\u4f7f\u7528\u5b83\uff1f \u6d88\u606f\u4f20\u9012\u662f\u5728\u670d\u52a1\u6216\u8f6f\u4ef6\u7ec4\u4ef6\u4e4b\u95f4\u53d1\u9001\u3001\u63a5\u6536\u548c\u7ba1\u7406\u6d88\u606f\u7684\u8fc7\u7a0b\u3002\u5b83\u9002\u7528\u4e8e\uff1a \u89e3\u8026\uff1a\u5141\u8bb8\u670d\u52a1\u72ec\u7acb\u3002 \u53ef\u6269\u5c55\u6027\uff1a\u901a\u8fc7\u5206\u53d1\u6d88\u606f\u6765\u7ba1\u7406\u9ad8\u6d41\u91cf\u8d1f\u8f7d\u3002 \u5f39\u6027\uff1a\u5373\u4f7f\u5728\u51fa\u73b0\u4e34\u65f6\u6545\u969c\u7684\u60c5\u51b5\u4e0b\u4e5f\u80fd\u786e\u4fdd\u6d88\u606f\u5904\u7406\u3002 \u5e38\u89c1\u4f7f\u7528\u573a\u666f: \u540e\u53f0\u4f5c\u4e1a\u961f\u5217\u3002 \u5fae\u670d\u52a1\u4e4b\u95f4\u7684\u901a\u4fe1\u3002 \u5b9e\u65f6\u5904\u7406\uff0c\u4f8b\u5982\u6d3b\u52a8\u8ddf\u8e2a\u3002 2.\u914d\u7f6e node.js \u73af\u5883 \u5b89\u88c5 node.js\uff1a\u786e\u4fdd\u60a8\u5b89\u88c5\u4e86\u6700\u65b0\u7248\u672c\u7684 node.js\u3002 \u5305\u7ba1\u7406\u5668\uff1a\u4f7f\u7528npm\u6216yarn\u5b89\u88c5\u4f9d\u8d56\u9879\u3002 \u57fa\u672c\u4f9d\u8d56\uff1a dotenv \u7528\u4e8e\u73af\u5883\u53d8\u91cf\u3002 amqplib \u6216 kafkajs \u7528\u4e8e\u4e0e\u6d88\u606f\u670d\u52a1\u901a\u4fe1\u3002 npm install dotenv amqplib \u767b\u5f55\u540e\u590d\u5236 3.\u6d88\u606f\u4f20\u9012\u534f\u8bae\u548c\u5de5\u5177 rabbitmq\uff1a rabbitmq \u662f\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684 amqp \u4ee3\u7406\uff0c\u7528\u4e8e\u4ea4\u6362\u6d88\u606f\u3002 \u7528\u4e8e\u961f\u5217\u548c\u6d88\u606f\u4ea4\u6362\uff08\u76f4\u63a5\u3001\u4e3b\u9898\u3001\u6247\u51fa\u3001\u6807\u5934\uff09\u3002 \u4fc3\u8fdb rpc\uff08\u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528\uff09\u548c pub\/sub \u7b49\u6807\u51c6\u3002 \u963f\u5e15\u5947\u5361\u592b\u5361\uff1a \u975e\u5e38\u9002\u5408\u5927\u89c4\u6a21\u6570\u636e\u6d41\u3002 \u4e8b\u4ef6\u9a71\u52a8\u3002 \u9ad8\u6027\u80fd\u5b9e\u65f6\u5904\u7406\u3002 \u5176\u4ed6\u9009\u9879\uff1a streams\uff1a\u5bf9\u4e8e\u7279\u5b9a\u60c5\u51b5\u66f4\u7b80\u5355\u3001\u66f4\u5feb\u3002 mqtt\uff1a\u7528\u4e8e\u7269\u8054\u7f51\uff0c\u7528\u4e8e\u8bbe\u5907\u4e4b\u95f4\u7684\u8f7b\u91cf\u7ea7\u901a\u4fe1\u3002 4.\u4f7f\u7528 rabbitmq \u7684\u57fa\u672c\u5b9e\u73b0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-4155","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/4155","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=4155"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/4155\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=4155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=4155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=4155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}