{"id":999,"date":"2023-07-17T14:53:03","date_gmt":"2023-07-17T06:53:03","guid":{"rendered":"https:\/\/www.zhidianwl.net\/zhidianwl\/?p=999"},"modified":"2023-07-17T14:53:03","modified_gmt":"2023-07-17T06:53:03","slug":"app%e5%bc%80%e5%8f%91nodejs%e9%9c%80%e8%a6%81%e6%80%8e%e4%b9%88%e5%81%9a%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.zhidianwl.net\/zhidianwl\/2023\/07\/17\/app%e5%bc%80%e5%8f%91nodejs%e9%9c%80%e8%a6%81%e6%80%8e%e4%b9%88%e5%81%9a%ef%bc%9f\/","title":{"rendered":"app\u5f00\u53d1nodejs\u9700\u8981\u600e\u4e48\u505a\uff1f"},"content":{"rendered":"

Node.js\u662f\u4e00\u4e2a\u57fa\u4e8eChrome V8\u5f15\u64ce\u7684JavaScript\u8fd0\u884c\u65f6\u73af\u5883\u3002\u57282009\u5e74\uff0cRyan Dahl<\/p>\n

<\/figure>\n<\/p>\n

\u521b\u5efa\u4e86Node.js\uff0c\u5176\u76ee\u7684\u662f\u521b\u5efa\u4e00\u4e2a\u80fd\u591f\u66f4\u8f7b\u5de7\u3001\u9ad8\u6548\u5904\u7406\u8f93\u5165\u8f93\u51fa\uff08I\/O\uff09\u64cd\u4f5c\u7684Web\u670d\u52a1\u5668\u3002\u4e0e\u4f20\u7edf\u7684Web\u670d\u52a1\u5668\u4e0d\u540c\uff0cNode.js\u5c06Web\u670d\u52a1\u5668\u672c\u8eab\u4e0e\u5e94\u7528\u7a0b\u5e8f\u670d\u52a1\u5668\u96c6\u6210\u5728\u4e00\u8d77\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528JavaScript\u7f16\u5199\u9ad8\u6027\u80fd\u7684\u670d\u52a1\u5668\u7aef\u5e94\u7528\u7a0b\u5e8f\u3002\u8fd9\u662f\u4e00\u4e2a\u5f15\u9886\u4e86\u5168\u7403\u5f00\u53d1\u8005\u5171\u540c\u63a2\u7d22\u5168\u6808\u5f00\u53d1\u7684\u9886\u57df\u7684\u91cd\u8981\u6280\u672f\u3002<\/p>\n

Node.js\u7684\u4f18\u52bf\uff1a<\/p>\n

1. \u9ad8\u6027\u80fd\uff1a\u57fa\u4e8eV8 JavaScript\u5f15\u64ce\uff0c\u4f7f\u5f97JavaScript\u6267\u884c\u901f\u5ea6\u975e\u5e38\u5feb\u3002<\/p>\n

2. \u5355\u7ebf\u7a0b\uff1aNode.js\u91c7\u7528\u5355\u7ebf\u7a0b\u6a21\u578b\uff0c\u901a\u8fc7\u4e8b\u4ef6\u9a71\u52a8\u548c\u5f02\u6b65\u7f16\u7a0b\u89e3\u51b3\u9ad8\u5e76\u53d1\u7684\u95ee\u9898\u3002<\/p>\n

3. \u8de8\u5e73\u53f0\uff1aNode.js\u652f\u6301Windows\u3001Linux\u548cMac OS X\u7b49\u591a\u79cd\u64cd\u4f5c\u7cfb\u7edf\u3002<\/p>\n

4. \u5f00\u653e\u6e90\u4ee3\u7801\u548c\u5f3a\u5927\u7684\u751f\u6001\u7cfb\u7edf\uff1aNode.js\u662f\u5b8c\u5168\u5f00\u6e90\u7684\uff0c\u62e5\u6709\u5e9e\u5927\u7684\u5f00\u53d1\u8005\u793e\u533a\u3002NPM\uff08Node.js\u5305\u7ba1\u7406\u5668\uff09\u63d0\u4f9b\u4e86\u5927\u91cf\u7684\u6a21\u5757\u4f9b\u5f00\u53d1\u8005\u4f7f\u7528\u3002<\/p>\n

\u5728\u5e94\u7528\u5f00\u53d1\u4e2d\uff0cNode.js\u5177\u6709\u5f88\u591a\u7528\u9014\uff0c\u6211\u4eec\u5c06\u91cd\u70b9\u5173\u6ce8\u5982\u4f55\u5c06\u5176\u5e94\u7528\u4e8eAPP\u5f00\u53d1\u3002<\/p>\n

\u9996\u5148\uff0c\u60a8\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u9879\u76ee\uff1a<\/p>\n

1. \u5b89\u88c5Node.APP\u5f00\u53d1<\/a>js\uff1a\u8bbf\u95ee\u5b98\u7f51\uff08https:\/\/nodejs.org\/\uff09\u4e0b\u8f7d\u5e76\u5b89\u88c5\u9002\u5408\u60a8\u64cd\u4f5c\u7cfb\u7edf\u7684Node.js\u7248\u672c\u3002<\/p>\n

2. \u521b\u5efa\u9879\u76ee\u6587\u4ef6\u5939\uff1a\u5728\u60a8\u7684\u7535\u8111\u4e0a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u6587\u4ef6\u5939\uff0c\u4f8b\u5982\uff1amy-app\u3002<\/p>\n

3. \u521d\u59cb\u5316\u9879\u76ee\uff1a\u4f7f\u7528\u547d\u4ee4\u884c\u5de5\u5177\uff08\u5982\u7ec8\u7aef\u6216\u547d\u4ee4\u63d0\u793a\u7b26\uff09\u8fdb\u5165\u9879\u76ee\u6587\u4ef6\u5939\uff0c\u8fd0\u884c\u547d\u4ee4\uff1a`npm init`\u3002\u6309\u7167\u63d0\u793a\u8bbe\u7f6e\u60a8\u7684\u9879\u76ee\uff0c\u4e00\u8def\u56de\u8f66\u4f7f\u7528\u9ed8\u8ba4\u8bbe\u7f6e\u5373\u53ef\u3002\u6b64\u64cd\u4f5c\u5c06\u751f\u6210\u4e00\u4e2a`package.json`\u6587\u4ef6\u3002<\/p>\n

\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u6784\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u540e\u7aef\u5e94\u7528\uff1a<\/p>\n

1. \u5b89\u88c5Express\uff1aExpress\u662f\u4e00\u4e2a\u57fa\u4e8eNode.js\u7684Web\u5e94\u7528\u6846\u67b6\u3002\u5728\u9879\u76ee\u6587\u4ef6\u5939\u4e2d\uff0c\u8fd0\u884c\u547d\u4ee4\uff1a`npm install express –save`\u3002<\/p>\n

2. \u521b\u5efaapp.js\u6587\u4ef6\uff1a\u5728\u9879\u76ee\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2a\u65b0\u7684JavaScript\u6587\u4ef6\uff0c\u5e76\u547d\u540d\u4e3a`app.js`\u3002\u5728\u8fd9\u4e2a\u6587\u4ef6\u4e2d\uff0c\u5c06\uff1a<\/p>\n

– \u5bfc\u5165Express\u6a21\u5757\u3002<\/p>\n

– \u521b\u5efa\u4e00\u4e2aExpress\u5b9e\u4f8b\u3002<\/p>\n

– \u5b9a\u4e49\u8def\u7531\u5904\u7406\u51fd\u6570\u3002<\/p>\n

– \u8bbe\u7f6e\u76d1\u542c\u7684\u7aef\u53e3\u3002<\/p>\n

\u8fd9\u91cc\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u6837\u4f8b\u4ee3\u7801\uff1a<\/p>\n

“`javascript<\/p>\n

const express = require(‘express’);<\/p>\n

const app = express();<\/p>\n

app.get(‘\/’, (req, res) => {<\/p>\n

res.send(‘Hello World!’);<\/p>\n

});<\/p>\n

app.listen(3000, () => {<\/p>\n

console.log(‘App is listening on port 3000!’);<\/p>\n

});<\/p>\n

“`<\/p>\n

3. \u8fd0\u884c\u5e94\u7528\uff1a\u5728\u547d\u4ee4\u884c\u5de5\u5177\u4e2d\uff0c\u5b9a\u4f4d\u5230\u9879\u76ee\u6587\u4ef6\u5939\uff0c\u7136\u540e\u8fd0\u884c\uff1a`node app.js`\u3002\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95ee\uff08http:\/\/localhost:3000\uff09\u5373\u53ef\u770b\u5230\u201cHello World!\u201d\u3002<\/p>\n

\u81f3\u6b64\uff0c\u60a8\u5df2\u7ecf\u521b\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u540e\u7aef\u5e94\u7528\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u60a8\u53ef\u4ee5\u6839\u636e\u9700\u8981\u4f7f\u7528\u6570\u636e\u5e93\u3001\u6dfb\u52a0\u8eab\u4efd\u9a8c\u8bc1\u670d\u52a1\u7b49\u3002<\/p>\n

\u524d\u7aef\u5f00\u53d1\uff1a<\/p>\n

1. React Native\uff1a\u662f\u4e00\u4e2a\u57fa\u4e8eReact\u7684\u8de8\u5e73\u53f0\u79fb\u52a8\u5e94\u7528\u5f00\u53d1\u6846\u67b6\uff0c\u53ef\u540c\u65f6\u6784\u5efaiOS\u548cAndroid\u5e94\u7528\u3002\u8bbf\u95ee\u5b98\u7f51\uff08https:\/\/facebook.github.io\/react-native\/\uff09\u5e76\u6309\u7167\u6559\u7a0b\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n

2. \u521b\u5efa\u9879\u76ee\uff1a\u4f7f\u7528React Native CLI\u521b\u5efa\u4e00\u4e2a\u65b0\u9879\u76ee\uff1a`react-native init MyApp`\u3002<\/p>\n

3. \u7f16\u5199\u4ee3\u7801\uff1a\u5728\u65b0\u521b\u5efa\u7684\u9879\u76ee\u4e2d\uff0c\u60a8\u5c06\u7f16\u5199\u524d\u7aef\u7528\u6237\u754c\u9762\u548c\u903b\u8f91\u3002\u901a\u8fc7\u4f7f\u7528React\u7ec4\u4ef6\u7ec4\u7ec7\u4ee3\u7801\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u4e3aAPP\u521b\u5efa\u590d\u6742\u7684\u529f\u80fd\u548c\u754c\u9762\u3002<\/p>\n

\u6700\u540e\uff0c\u60a8\u9700\u8981\u5c06\u524d\u7aef\u548c\u540e\u7aef\u8fde\u63a5\u8d77\u6765\u3002\u8fd9\u5c31\u9700\u8981\u7528\u5230API\uff1a<\/p>\n

1. \u521b\u5efaAPI\uff1a\u5728Node.js\u540e\u7aef\u5e94\u7528\u4e2d\u521b\u5efa\u4e00\u4e2a\u6216\u591a\u4e2aAPI\u7aef\u70b9\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528RESTful\u89c4\u8303\u6765\u8bbe\u8ba1API\u3002\u4f8b\u5982\uff0c\u5c06\u7528\u6237\u6570\u636e\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u5e76\u901a\u8fc7API\u8fdb\u884c\u589e\u3001\u5220\u3001\u67e5\u3001\u6539\u64cd\u4f5c\u3002<\/p>\n

2. \u8c03\u7528API\uff1a\u5728React Native\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528`fetch()`\u51fd\u6570\u53d1\u8d77\u7f51\u7edc\u8bf7\u6c42\uff0c\u4ece\u800c\u5b9e\u73b0\u4e0e\u540e\u7aef\u5e94\u7528\u7684\u6570\u636e\u4ea4\u4e92\u3002<\/p>\n

\u901a\u8fc7\u5bf9\u524d\u7aef\u548c\u540e\u7aef\u6280\u672f\u6808\u7684\u5408\u7406\u8fd0\u7528\uff0c\u60a8\u53ef\u4ee5\u5229\u7528Node.js\u642d\u5efaAPP\u5e76\u5b9e\u73b0\u591a\u79cd\u529f\u80fd\u3002\u6574\u4e2a\u5f00\u53d1\u8fc7\u7a0b\u4f1a\u6d89\u53caAPP<\/a>\u4f17\u591a\u7ec6\u8282\uff0c\u4f46\u8fd9\u7bc7\u6587\u7ae0\u4e3a\u60a8\u63d0\u4f9b\u4e86Node.js\u53ca\u5176\u76f8\u5173\u6280\u672f\u7684\u57fa\u672c\u6982\u5ff5\uff0c\u5e2e\u52a9\u60a8\u66f4\u597d\u5730\u5165\u95e8APP\u5f00\u53d1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

Node.js\u662f\u4e00\u4e2a\u57fa\u4e8eChrome V8\u5f15\u64ce\u7684JavaScript\u8fd0\u884c\u65f6\u73af\u5883\u3002\u57282009\u5e74\uff0cRyan Dahl\u521b\u5efa\u4e86Node.js\uff0c\u5176\u76ee\u7684\u662f\u521b\u5efa\u4e00\u4e2a\u80fd\u591f\u66f4\u8f7b\u5de7\u3001\u9ad8\u6548\u5904\u7406\u8f93\u5165\u8f93\u51fa\uff08I\/O\uff09\u64cd\u4f5c\u7684We<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1425,2268,1032,849,588],"topic":[],"class_list":["post-999","post","type-post","status-publish","format-standard","hentry","category-kaifaapp","tag-app","tag-htmlexe","tag-1032","tag-849","tag-588"],"_links":{"self":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts\/999","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/comments?post=999"}],"version-history":[{"count":0,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts\/999\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/media?parent=999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/categories?post=999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/tags?post=999"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/topic?post=999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}