[ADD] api init

README.md

 # nodejs_tutorial
 
-Nodejs教學分享
+
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+npm i
+
+npm start
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index.js

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

@@ -4,7 +4,7 @@
   "description": "Nodejs教學分享",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "start": "node index.js"
   },
   "repository": {
     "type": "git",
@@ -12,5 +12,8 @@
   },
   "keywords": [],
   "author": "",
-  "license": "ISC"
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.18.1"
+  }
 }