{"id":41106,"date":"2024-11-06T02:46:35","date_gmt":"2024-11-06T02:46:35","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=41106"},"modified":"2024-11-26T06:37:35","modified_gmt":"2024-11-26T06:37:35","slug":"11-nest-js%eb%a1%9c-restful-api-%ea%b5%ac%ec%b6%95%ed%95%98%ea%b8%b0-nest-js%ec%97%90%ec%84%9c-%ec%bb%a8%ed%8a%b8%eb%a1%a4%eb%9f%ac%ec%99%80-%ec%84%9c%eb%b9%84%ec%8a%a4-%ea%b5%ac%ed%98%84%ed%95%98","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/41106\/","title":{"rendered":"11.Nest.js\ub85c RESTful API \uad6c\ucd95\ud558\uae30, Nest.js\uc5d0\uc11c \ucee8\ud2b8\ub864\ub7ec\uc640 \uc11c\ube44\uc2a4 \uad6c\ud604\ud558\uae30"},"content":{"rendered":"

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\n \ud604\ub300 \uc6f9 \uac1c\ubc1c\uc5d0\uc11c RESTful API\ub294 \ub370\uc774\ud130\uc640 \uc11c\ube44\uc2a4\ub97c \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \uac04\uc5d0 \ud6a8\uacfc\uc801\uc73c\ub85c \uacf5\uc720\ud558\ub294 \ub370 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. Nest.js\ub294 Node.js \uae30\ubc18\uc758 \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud504\ub808\uc784\uc6cc\ud06c\ub85c, \ud655\uc7a5\uc131\uacfc \uc720\uc9c0\ubcf4\uc218\uc131\uc744 \uace0\ub824\ud558\uc5ec \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294
\n Nest.js\ub97c \uc0ac\uc6a9\ud558\uc5ec RESTful API\ub97c \uad6c\ucd95\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ub610\ud55c, API\uc758 \uae30\ubcf8\uc744 \uc774\ud574\ud558\uae30 \uc704\ud574 \ucee8\ud2b8\ub864\ub7ec\uc640 \uc11c\ube44\uc2a4\uc758 \uad6c\ud604 \ubc29\ubc95\uc5d0 \ub300\ud574\uc11c\ub3c4 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n

1. Nest.js \uc18c\uac1c<\/h2>\n

\n Nest.js\ub294 TypeScript\ub85c \uc791\uc131\ub41c \ud504\ub808\uc784\uc6cc\ud06c\ub85c, Angular\uc5d0\uc11c \uc601\uac10\uc744 \uc5bb\uc5b4 \ubaa8\ub4c8\ud654\ub41c \uad6c\uc870\ub97c \uac16\ucd94\uace0 \uc788\uc2b5\ub2c8\ub2e4. Nest.js\uc758 \uc8fc\uc694 \uc7a5\uc810 \uc911 \ud558\ub098\ub294 \uc758\uc874\uc131 \uc8fc\uc785(Dependency Injection)\uc744 \ud1b5\ud574 \ucf54\ub4dc\uc758 \uc7ac\uc0ac\uc6a9\uc131\uacfc \ud14c\uc2a4\ud2b8 \uc6a9\uc774\uc131\uc744 \ub192\uc77c \uc218 \uc788\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4.
\n \uc774\ub97c \ud1b5\ud574 \ub300\uaddc\ubaa8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uccb4\uacc4\uc801\uc73c\ub85c \uc124\uacc4\ud558\uace0 \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

2. Nest.js \uc124\uce58 \ubc0f \ucd08\uae30 \uc124\uc815<\/h2>\n

\n Nest.js\ub97c \uc124\uce58\ud558\uae30 \uc704\ud574 Node.js\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. Node.js\uac00 \uc124\uce58\ub41c \ud6c4, Nest CLI\ub97c \ud1b5\ud574 \ube60\ub974\uac8c \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. CLI \ub3c4\uad6c\ub97c \uc124\uce58\ud558\ub824\uba74, \ub2e4\uc74c \uba85\ub839\uc5b4\ub97c \uc2e4\ud589\ud569\ub2c8\ub2e4:\n <\/p>\n

\n            npm install -g @nestjs\/cli\n        <\/code><\/pre>\n
\n            Nest CLI\ub97c \uc124\uce58\ud55c \ud6c4, \uc0c8\ub85c\uc6b4 Nest.js \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud558\ub294 \uba85\ub839\uc5b4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:\n        <\/p>\n
\n            nest new my-nest-app\n        <\/code><\/pre>\n
\n            \uc0dd\uc131\ub41c \ud504\ub85c\uc81d\ud2b8 \ub514\ub809\ud1a0\ub9ac\ub85c \uc774\ub3d9\ud558\uace0 \ub2e4\uc74c \uba85\ub839\uc5b4\ub85c \uac1c\ubc1c \uc11c\ubc84\ub97c \uc2e4\ud589\ud569\ub2c8\ub2e4:\n        <\/p>\n
\n            cd my-nest-app\n            npm run start\n        <\/code><\/pre>\n
3. RESTful API\uc758 \uac1c\ub150<\/h2>\n
\n            REST(Representational State Transfer)\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\uc640 \uc11c\ubc84 \uac04\uc758 \ub370\uc774\ud130 \uad50\ud658\uc744 \uc704\ud55c \uc544\ud0a4\ud14d\ucc98 \uc2a4\ud0c0\uc77c\uc785\ub2c8\ub2e4. RESTful API\ub294 \uc8fc\ub85c HTTP \ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud558\uc5ec CRUD(Create, Read, Update, Delete) \uc791\uc5c5\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.
\n            RESTful API\uc758 \uc8fc\uc694 \ud2b9\uc9d5\uc740 \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud558\uc9c0 \uc54a\uc73c\uba70, \ubaa8\ub4e0 \uc694\uccad\uc5d0 \ub300\ud574 \ud074\ub77c\uc774\uc5b8\ud2b8\uac00 \ud544\uc694\ud55c \uc815\ubcf4\ub97c \uc81c\uacf5\ud574\uc57c \ud55c\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4.\n        <\/p>\n
4. Nest.js\uc5d0\uc11c RESTful API \ub9cc\ub4e4\uae30<\/h2>\n
\n            \uc774\uc81c \uc2e4\uc81c\ub85c RESTful API\ub97c \uad6c\ucd95\ud574\ubd05\uc2dc\ub2e4. \uc5ec\uae30\uc11c\ub294 \uac04\ub2e8\ud55c “\ud22c\ub450(Todo)” \ub9ac\uc2a4\ud2b8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc608\ub85c \ub4e4\uaca0\uc2b5\ub2c8\ub2e4. \uc774 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \uc0ac\uc6a9\uc790\uac00 \ud22c\ub450 \ud56d\ubaa9\uc744 \ucd94\uac00\ud558\uace0, \uc870\ud68c\ud558\uace0, \uc218\uc815\ud558\uace0, \uc0ad\uc81c\ud560 \uc218 \uc788\ub294 API\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.\n        <\/p>\n
4.1. Todo \ubaa8\ub4c8 \uc0dd\uc131<\/h3>\n
\n            \uba3c\uc800, Todo \ubaa8\ub4c8\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. \ud130\ubbf8\ub110\uc5d0\uc11c \ub2e4\uc74c \uba85\ub839\uc5b4\ub97c \uc785\ub825\ud558\uc5ec Todo \ubaa8\ub4c8\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4:\n        <\/p>\n
\n            nest generate module todo\n        <\/code><\/pre>\n
4.2. Todo \uc11c\ube44\uc2a4 \uc0dd\uc131<\/h3>\n
\n            Todo \uc11c\ube44\uc2a4\ub97c \uc0dd\uc131\ud558\uc5ec \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uba85\ub839\uc5b4\ub97c \uc785\ub825\ud569\ub2c8\ub2e4:\n        <\/p>\n
\n            nest generate service todo\n        <\/code><\/pre>\n
\n            \uc11c\ube44\uc2a4 \ud30c\uc77c\uc740 todo.service.ts<\/code>\ub77c\ub294 \uc774\ub984\uc73c\ub85c \uc0dd\uc131\ub429\ub2c8\ub2e4. \ub2e4\uc74c\uc740 TodoService\uc758 \uae30\ubcf8 \ucf54\ub4dc\uc785\ub2c8\ub2e4:\n        <\/p>\n
\n            import { Injectable } from '@nestjs\/common';\n            import { Todo } from '.\/todo.entity';\n\n            @Injectable()\n            export class TodoService {\n                private todos: Todo[] = [];\n\n                findAll(): Todo[] {\n                    return this.todos;\n                }\n\n                create(todo: Todo): Todo {\n                    this.todos.push(todo);\n                    return todo;\n                }\n                \n                \/\/ Todo \ud56d\ubaa9 \uc218\uc815 \ubc0f \uc0ad\uc81c \uba54\uc11c\ub4dc \ucd94\uac00\n            }\n        <\/code><\/pre>\n
4.3. Todo \ucee8\ud2b8\ub864\ub7ec \uc0dd\uc131<\/h3>\n
\n            \uc774\uc81c \ucee8\ud2b8\ub864\ub7ec\ub97c \uc0dd\uc131\ud558\uc5ec \uc0ac\uc6a9\uc790 \uc694\uccad\uc744 \ucc98\ub9ac\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uba85\ub839\uc5b4\ub97c \uc785\ub825\ud569\ub2c8\ub2e4:\n        <\/p>\n
\n            nest generate controller todo\n        <\/code><\/pre>\n
\n            \ucee8\ud2b8\ub864\ub7ec \ud30c\uc77c\uc740 todo.controller.ts<\/code>\ub77c\ub294 \uc774\ub984\uc73c\ub85c \uc0dd\uc131\ub429\ub2c8\ub2e4. \uc774 \ud30c\uc77c\uc5d0 RESTful API\uc758 \uc5d4\ub4dc\ud3ec\uc778\ud2b8\ub97c \uc815\uc758\ud569\ub2c8\ub2e4:\n        <\/p>\n
\n            import { Controller, Get, Post, Body } from '@nestjs\/common';\n            import { TodoService } from '.\/todo.service';\n            import { Todo } from '.\/todo.entity';\n\n            @Controller('todos')\n            export class TodoController {\n                constructor(private readonly todoService: TodoService) {}\n\n                @Get()\n                findAll(): Todo[] {\n                    return this.todoService.findAll();\n                }\n\n                @Post()\n                create(@Body() todo: Todo): Todo {\n                    return this.todoService.create(todo);\n                }\n                \n                \/\/ \ucd94\uac00\uc801\uc778 \uc5d4\ub4dc\ud3ec\uc778\ud2b8 \uad6c\ud604\n            }\n        <\/code><\/pre>\n
4.4. Todo \uc5d4\ud2f0\ud2f0 \uc0dd\uc131<\/h3>\n
\n            \uc774\uc81c Todo\uc758 \uad6c\uc870\ub97c \uc815\uc758\ud558\ub294 \uc5d4\ud2f0\ud2f0\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. todo.entity.ts<\/code>\ub77c\ub294 \ud30c\uc77c\uc744 \uc0dd\uc131\ud558\uace0 \uc544\ub798\uc640 \uac19\uc774 \uc791\uc131\ud569\ub2c8\ub2e4:\n        <\/p>\n
\n            export class Todo {\n                id: number;\n                title: string;\n                completed: boolean;\n            }\n        <\/code><\/pre>\n
4.5. \ubaa8\ub4c8 \ud1b5\ud569<\/h3>\n
\n            \ub9c8\uc9c0\ub9c9\uc73c\ub85c todo.module.ts<\/code> \ud30c\uc77c\uc5d0 \uc11c\ube44\uc2a4\uc640 \ucee8\ud2b8\ub864\ub7ec\ub97c \ud1b5\ud569\ud569\ub2c8\ub2e4:\n        <\/p>\n
\n            import { Module } from '@nestjs\/common';\n            import { TodoController } from '.\/todo.controller';\n            import { TodoService } from '.\/todo.service';\n\n            @Module({\n                controllers: [TodoController],\n                providers: [TodoService],\n            })\n            export class TodoModule {}\n        <\/code><\/pre>\n
5. \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc2e4\ud589 \ubc0f \ud14c\uc2a4\ud2b8<\/h2>\n
\n            \uc774\uc81c \ubaa8\ub4e0 \uad6c\ud604\uc744 \uc644\ub8cc\ud588\uc2b5\ub2c8\ub2e4. \ud130\ubbf8\ub110\uc5d0\uc11c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc2e4\ud589\ud558\uba74, \uae30\ubcf8\uc801\uc73c\ub85c http:\/\/localhost:3000\/todos<\/code>\uc5d0\uc11c API\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n            Postman\uc774\ub098 Curl \ub4f1\uc758 \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud558\uc5ec API\uc758 \uc5d4\ub4dc\ud3ec\uc778\ud2b8\ub97c \ud14c\uc2a4\ud2b8\ud574\ubcfc \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n        <\/p>\n
5.1. Todo \ud56d\ubaa9 \ucd94\uac00\ud558\uae30<\/h3>\n
\n            POST \uc694\uccad\uc744 \ud1b5\ud574 \ud22c\ub450 \ud56d\ubaa9\uc744 \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n            \uc608\ub97c \ub4e4\uc5b4, \uc544\ub798\uc640 \uac19\uc740 JSON \ud615\uc2dd\uc73c\ub85c \uc694\uccad\uc744 \ubcf4\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4:\n        <\/p>\n
\n            {\n                \"id\": 1,\n                \"title\": \"\uccab \ubc88\uc9f8 \ud22c\ub450\",\n                \"completed\": false\n            }\n        <\/code><\/pre>\n
5.2. Todo \ud56d\ubaa9 \uc870\ud68c\ud558\uae30<\/h3>\n
\n            GET \uc694\uccad\uc744 \ud1b5\ud574 \ubaa8\ub4e0 \ud22c\ub450 \ud56d\ubaa9\uc744 \uc870\ud68c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n            http:\/\/localhost:3000\/todos<\/code>\ub85c GET \uc694\uccad\uc744 \ubcf4\ub0b4\uba74, \ucd94\uac00\ud55c \ud22c\ub450 \ud56d\ubaa9 \uc804\uccb4 \ubaa9\ub85d\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n        <\/p>\n
6. \uacb0\ub860<\/h2>\n
\n            \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 Nest.js\ub97c \ud65c\uc6a9\ud558\uc5ec RESTful API\ub97c \uad6c\ucd95\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc558\uc2b5\ub2c8\ub2e4. Nest.js\ub294 \uac15\ub825\ud558\uace0 \uc720\uc5f0\ud55c \uad6c\uc870\ub97c \uc81c\uacf5\ud558\uc5ec \ub300\uaddc\ubaa8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.
\n            \ucee8\ud2b8\ub864\ub7ec\uc640 \uc11c\ube44\uc2a4\uc758 \ud328\ud134\uc744 \ud1b5\ud574 \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uacfc HTTP \uc694\uccad \ucc98\ub9ac\ub97c \ubd84\ub9ac\ud558\uc5ec \ucf54\ub4dc\uc758 \uac00\ub3c5\uc131\uacfc \uc720\uc9c0\ubcf4\uc218\uc131\uc744 \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n            \ub354\uc6b1 \ub2e4\uc591\ud55c \uc0ac\uc6a9 \uc0ac\ub840\uc640 \uace0\uae09 \uae30\ub2a5\uc5d0 \ub300\ud574 \uacf5\ubd80\ud558\uba74\uc11c Nest.js\uc758 \ub9e4\ub825\uc744 \ub354 \uae4a\uc774 \ubc1c\uacac\ud560 \uc218 \uc788\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4.\n        <\/p>\n