Node.js \uacf5\uc2dd \uc6f9\uc0ac\uc774\ud2b8<\/a>\uc5d0\uc11c \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Node.js\ub97c \uc124\uce58\ud55c \ud6c4, Express\ub97c \ud504\ub85c\uc81d\ud2b8\uc5d0 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\nbash\n# \ube48 \ud3f4\ub354\ub97c \uc0dd\uc131\ud558\uace0 \uc774\ub3d9\nmkdir express-crud-api\ncd express-crud-api\n\n# npm \ucd08\uae30\ud654\nnpm init -y\n\n# Express \uc124\uce58\nnpm install express\n<\/code><\/pre>\n2. \ud504\ub85c\uc81d\ud2b8 \uad6c\uc870<\/h2>\n
\uba3c\uc800 \uae30\ubcf8\uc801\uc778 \ud504\ub85c\uc81d\ud2b8 \uad6c\uc870\ub97c \uc124\uc815\ud569\ub2c8\ub2e4. \ub2e4\uc74c\uacfc \uac19\uc740 \ud30c\uc77c\uacfc \ud3f4\ub354\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4:<\/p>\n
\n- express-crud-api\/\n
\n- server.js<\/li>\n
- package.json<\/li>\n
- routes\/\n
\n- userRoutes.js<\/li>\n<\/ul>\n<\/li>\n
- models\/\n
\n- User.js<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n
3. \uc11c\ubc84 \uc124\uc815<\/h2>\n
\uc774\uc81c API \uc11c\ubc84\ub97c \uc124\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. server.js<\/code> \ud30c\uc77c\uc744 \uc5f4\uace0 \ub2e4\uc74c\uacfc \uac19\uc774 \uc791\uc131\ud569\ub2c8\ub2e4. \uc774 \ud30c\uc77c\uc740 API \uc11c\ubc84\uc758 \uc5d4\ud2b8\ub9ac \ud3ec\uc778\ud2b8\ub85c \uc791\ub3d9\ud569\ub2c8\ub2e4.<\/p>\njavascript\nconst express = require('express');\nconst bodyParser = require('body-parser');\nconst userRoutes = require('.\/routes\/userRoutes');\n\nconst app = express();\nconst PORT = process.env.PORT || 3000;\n\n\/\/ Body-parser \ubbf8\ub4e4\uc6e8\uc5b4 \uc124\uc815\napp.use(bodyParser.json());\n\n\/\/ \uc720\uc800 \ub77c\uc6b0\ud130 \uc124\uc815\napp.use('\/api\/users', userRoutes);\n\n\/\/ \uc11c\ubc84 \uc2dc\uc791\napp.listen(PORT, () => {\n console.log(`\uc11c\ubc84\uac00 http:\/\/localhost:${PORT} \uc5d0\uc11c \uc2e4\ud589 \uc911\uc785\ub2c8\ub2e4.`);\n});\n<\/code><\/pre>\n4. \ub370\uc774\ud130 \ubaa8\ub378\ub9c1<\/h2>\n
\uae30\ubcf8\uc801\uc73c\ub85c \uc6b0\ub9ac\ub294 \uc0ac\uc6a9\uc790\uc758 \uc815\ubcf4\ub97c \uc800\uc7a5\ud560 \uac83\uc774\ubbc0\ub85c, \uc0ac\uc6a9\uc790 \ubaa8\ub378\uc744 \uc124\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. MongoDB\ub97c \uc0ac\uc6a9\ud560 \uac83\uc744 \uac00\uc815\ud558\uace0 Mongoose\ub97c \uc124\uce58\ud558\uc5ec \ubaa8\ub378\uc744 \uc124\uc815\ud569\ub2c8\ub2e4.<\/p>\n
bash\n# Mongoose \uc124\uce58\nnpm install mongoose\n<\/code><\/pre>\n\ub2e4\uc74c\uc73c\ub85c models\/User.js<\/code>\ub97c \uc0dd\uc131\ud558\uace0 \uc544\ub798\uc640 \uac19\uc774 \uc791\uc131\ud569\ub2c8\ub2e4.<\/p>\njavascript\nconst mongoose = require('mongoose');\n\n\/\/ Mongoose \uc2a4\ud0a4\ub9c8 \uc124\uc815\nconst userSchema = new mongoose.Schema({\n name: {\n type: String,\n required: true\n },\n email: {\n type: String,\n required: true,\n unique: true\n },\n age: {\n type: Number,\n required: true\n }\n});\n\n\/\/ \ubaa8\ub378 \uc0dd\uc131\nconst User = mongoose.model('User', userSchema);\n\nmodule.exports = User;\n<\/code><\/pre>\n5. API \ub77c\uc6b0\ud305<\/h2>\n
\uc774\uc81c \uc0ac\uc6a9\uc790\uc5d0 \ub300\ud55c CRUD \uc791\uc5c5\uc744 \ucc98\ub9ac\ud558\ub294 API \uacbd\ub85c\ub97c \uc124\uc815\ud569\ub2c8\ub2e4. routes\/userRoutes.js<\/code>\ub97c \uc0dd\uc131\ud558\uace0 \ub2e4\uc74c\uacfc \uac19\uc774 \uc791\uc131\ud569\ub2c8\ub2e4.<\/p>\njavascript\nconst express = require('express');\nconst router = express.Router();\nconst User = require('..\/models\/User');\n\n\/\/ \uc0ac\uc6a9\uc790 \uc0dd\uc131 (Create)\nrouter.post('\/', async (req, res) => {\n const user = new User(req.body);\n try {\n const savedUser = await user.save();\n res.status(201).json(savedUser);\n } catch (error) {\n res.status(400).json({ message: error.message });\n }\n});\n\n\/\/ \uc0ac\uc6a9\uc790 \ubaa9\ub85d \uc870\ud68c (Read)\nrouter.get('\/', async (req, res) => {\n try {\n const users = await User.find();\n res.json(users);\n } catch (error) {\n res.status(500).json({ message: error.message });\n }\n});\n\n\/\/ \uc0ac\uc6a9\uc790 \uc815\ubcf4 \uc870\ud68c (Read)\nrouter.get('\/:id', async (req, res) => {\n try {\n const user = await User.findById(req.params.id);\n if (!user) return res.status(404).json({ message: '\uc720\uc800\ub97c \ucc3e\uc744 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.' });\n res.json(user);\n } catch (error) {\n res.status(500).json({ message: error.message });\n }\n});\n\n\/\/ \uc0ac\uc6a9\uc790 \uc815\ubcf4 \uc218\uc815 (Update)\nrouter.put('\/:id', async (req, res) => {\n try {\n const updatedUser = await User.findByIdAndUpdate(req.params.id, req.body, { new: true });\n if (!updatedUser) return res.status(404).json({ message: '\uc720\uc800\ub97c \ucc3e\uc744 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.' });\n res.json(updatedUser);\n } catch (error) {\n res.status(400).json({ message: error.message });\n }\n});\n\n\/\/ \uc0ac\uc6a9\uc790 \uc0ad\uc81c (Delete)\nrouter.delete('\/:id', async (req, res) => {\n try {\n const deletedUser = await User.findByIdAndDelete(req.params.id);\n if (!deletedUser) return res.status(404).json({ message: '\uc720\uc800\ub97c \ucc3e\uc744 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.' });\n res.json({ message: '\uc720\uc800\uac00 \uc0ad\uc81c\ub418\uc5c8\uc2b5\ub2c8\ub2e4.' });\n } catch (error) {\n res.status(500).json({ message: error.message });\n }\n});\n\nmodule.exports = router;\n<\/code><\/pre>\n6. MongoDB \uc5f0\uacb0 \uc124\uc815<\/h2>\n
MongoDB\uc640\uc758 \uc5f0\uacb0\uc744 \uc124\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. server.js<\/code> \ud30c\uc77c\uc5d0 \uc5f0\uacb0 \ucf54\ub4dc\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\njavascript\nconst mongoose = require('mongoose');\n\nmongoose.connect('mongodb:\/\/localhost:27017\/mydatabase', { useNewUrlParser: true, useUnifiedTopology: true })\n .then(() => console.log('MongoDB\uc5d0 \uc5f0\uacb0\ub418\uc5c8\uc2b5\ub2c8\ub2e4.'))\n .catch(err => console.error('MongoDB \uc5f0\uacb0 \uc624\ub958:', err));\n<\/code><\/pre>\n7. API \ud14c\uc2a4\ud2b8<\/h2>\n
\uc11c\ubc84 \ubc0f MongoDB \uc5f0\uacb0\uc774 \uc81c\ub300\ub85c \ub418\uc5c8\uc73c\uba74, Postman\uacfc \uac19\uc740 API \ud074\ub77c\uc774\uc5b8\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec API\ub97c \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4:<\/p>\n
\n- \uc0ac\uc6a9\uc790 \uc0dd\uc131 (POST)<\/strong>:
POST http:\/\/localhost:3000\/api\/users<\/code>\uc5d0 JSON \ud615\uc2dd\uc758 \uc0ac\uc6a9\uc790 \ub370\uc774\ud130\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/li>\n- \uc0ac\uc6a9\uc790 \ubaa9\ub85d \uc870\ud68c (GET)<\/strong>:
GET http:\/\/localhost:3000\/api\/users<\/code>\ub97c \ud1b5\ud574 \ubaa8\ub4e0 \uc0ac\uc6a9\uc790 \uc815\ubcf4\ub97c \uc870\ud68c\ud569\ub2c8\ub2e4.<\/li>\n- \ud2b9\uc815 \uc0ac\uc6a9\uc790 \uc870\ud68c (GET)<\/strong>:
GET http:\/\/localhost:3000\/api\/users\/{id}<\/code>\ub97c \ud1b5\ud574 \ud2b9\uc815 \uc0ac\uc6a9\uc790\uc758 \uc815\ubcf4\ub97c \uc870\ud68c\ud569\ub2c8\ub2e4.<\/li>\n- \uc0ac\uc6a9\uc790 \uc218\uc815 (PUT)<\/strong>:
PUT http:\/\/localhost:3000\/api\/users\/{id}<\/code>\uc5d0 \uc218\uc815\ud560 \ub370\uc774\ud130\uc640 \ud568\uaed8 \uc694\uccad\ud569\ub2c8\ub2e4.<\/li>\n- \uc0ac\uc6a9\uc790 \uc0ad\uc81c (DELETE)<\/strong>:
DELETE http:\/\/localhost:3000\/api\/users\/{id}<\/code>\ub97c \ud1b5\ud574 \ud2b9\uc815 \uc0ac\uc6a9\uc790\ub97c \uc0ad\uc81c\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n8. \uacb0\ub860<\/h2>\n
\uc774\ubc88 \uac15\uc88c\ub97c \ud1b5\ud574 Express\ub97c \uc0ac\uc6a9\ud558\uc5ec \uae30\ubcf8\uc801\uc778 CRUD API\ub97c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc744 \uc54c\uc544\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \ub354 \ub098\uc544\uac00, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640\uc758 \uc5f0\uacb0, API \ud14c\uc2a4\ud2b8\ub97c \uc704\ud55c \ud074\ub77c\uc774\uc5b8\ud2b8 \uc0ac\uc6a9\ubc95\uae4c\uc9c0 \uc0b4\ud3b4\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uc774 \uae30\ubcf8\uc801\uc778 \uad6c\uc870\ub97c \ubc14\ud0d5\uc73c\ub85c \uc5ec\ub7ec\ubd84\ub9cc\uc758 \uc6f9 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uad6c\ucd95\ud574 \ub098\uac00\uc2dc\uae38 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n
\ucd94\uac00\uc801\uc73c\ub85c, \uc778\uc99d \ubc0f \uc778\uac00 \uae30\ub2a5\uc744 \ucd94\uac00\ud558\uac70\ub098, \ud14c\uc2a4\ud2b8 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \ub3c4\uc785\ud558\ub294 \ub4f1\uc758 \uc791\uc5c5\uc744 \ud1b5\ud574 \ub354\uc6b1 \ubc1c\uc804\ub41c API\ub97c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacc4\uc18d\ud574\uc11c \ud559\uc2b5\ud558\uace0 \uc2e4\uc2b5\ud558\uc5ec \ub354 \ub098\uc740 \ubc31\uc5d4\ub4dc \uac1c\ubc1c\uc790\uac00 \ub418\uc5b4 \ubcf4\uc138\uc694!<\/p>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"
\ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 Node.js\uc758 \uc6f9 \ud504\ub808\uc784\uc6cc\ud06c\uc778 Express\ub97c \uc0ac\uc6a9\ud558\uc5ec \uae30\ubcf8\uc801\uc778 CRUD API\ub97c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc744 \uc2ec\ub3c4 \uc788\uac8c \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. CRUD\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc0dd\uc131(Create), \uc77d\uae30(Read), \uc5c5\ub370\uc774\ud2b8(Update), \uc0ad\uc81c(Delete)\ud558\ub294 \uae30\ubcf8\uc801\uc778 \uc791\uc5c5\uc73c\ub85c, \ub300\ubd80\ubd84\uc758 \uc6f9 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4. 1. \ud658\uacbd \uc124\uc815 CRUD API\ub97c \uad6c\ud604\ud558\uae30 \uc704\ud574 \uba3c\uc800 Node.js\uc640 Express\ub97c \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. Node.js\uac00 \uc124\uce58\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc740 \uacbd\uc6b0 Node.js \uacf5\uc2dd \uc6f9\uc0ac\uc774\ud2b8\uc5d0\uc11c \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Node.js\ub97c \uc124\uce58\ud55c \ud6c4, … \ub354 \ubcf4\uae30 “Express \uac1c\ubc1c \uac15\uc88c, CRUD(Create, Read, Update, Delete) API \uad6c\ud604\ud558\uae30”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[181],"tags":[],"class_list":["post-38342","post","type-post","status-publish","format-standard","hentry","category-express"],"yoast_head":"\nExpress \uac1c\ubc1c \uac15\uc88c, CRUD(Create, Read, Update, Delete) API \uad6c\ud604\ud558\uae30 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/38342\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Express \uac1c\ubc1c \uac15\uc88c, CRUD(Create, Read, Update, Delete) API \uad6c\ud604\ud558\uae30 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"\ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 Node.js\uc758 \uc6f9 \ud504\ub808\uc784\uc6cc\ud06c\uc778 Express\ub97c \uc0ac\uc6a9\ud558\uc5ec \uae30\ubcf8\uc801\uc778 CRUD API\ub97c \uad6c\ud604\ud558\ub294 \ubc29\ubc95\uc744 \uc2ec\ub3c4 \uc788\uac8c \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. CRUD\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc0dd\uc131(Create), \uc77d\uae30(Read), \uc5c5\ub370\uc774\ud2b8(Update), \uc0ad\uc81c(Delete)\ud558\ub294 \uae30\ubcf8\uc801\uc778 \uc791\uc5c5\uc73c\ub85c, \ub300\ubd80\ubd84\uc758 \uc6f9 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4. 1. \ud658\uacbd \uc124\uc815 CRUD API\ub97c \uad6c\ud604\ud558\uae30 \uc704\ud574 \uba3c\uc800 Node.js\uc640 Express\ub97c \uc124\uce58\ud574\uc57c \ud569\ub2c8\ub2e4. Node.js\uac00 \uc124\uce58\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc740 \uacbd\uc6b0 Node.js \uacf5\uc2dd \uc6f9\uc0ac\uc774\ud2b8\uc5d0\uc11c \uc124\uce58\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 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