初始化express

.gitignore

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+/node_modules/
+/package-lock.json

demo.js

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+const express = require('express')
+const app = express()
+const port = 3000
+
+app.get('/', (req, res) => {
+  res.send('Hello World!')
+})
+
+app.listen(port, () => {
+  console.log(`Example app listening on port ${port}`)
+})

package.json

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+{
+  "name": "dvcp-node-service",
+  "version": "1.0.0",
+  "description": "node服务端",
+  "main": "index.js",
+  "scripts": {
+    "test": "node demo.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "http://git.sinoecare.com/lab/dvcp-node-service.git"
+  },
+  "keywords": [
+    "node",
+    "js"
+  ],
+  "author": "kubbo",
+  "dependencies": {
+    "express": "^4.17.3"
+  }
+}