\uc774\ubc88 \uac15\uc88c\uc5d0\uc11c\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec REST API \uae30\ubc18\uc758 \ube14\ub85c\uadf8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc744 \ubc30\uc6c1\ub2c8\ub2e4. \uc774 \uacfc\uc815\uc5d0\uc11c\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc758 \uae30\ubcf8\uc801\uc778 \uc774\ud574, \ud504\ub85c\uc81d\ud2b8 \uad6c\uc870, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc124\uc815, RESTful API \uc124\uacc4, \ud074\ub77c\uc774\uc5b8\ud2b8\uc640\uc758 \ud1b5\uc2e0, \uadf8\ub9ac\uace0 \ubc30\ud3ec \ubc29\ubc95\uae4c\uc9c0 \uc790\uc138\ud788 \ub2e4\ub8f0 \uac83\uc785\ub2c8\ub2e4. \uac15\uc88c\uac00 \ub05d\ub0a0 \uc988\uc74c\uc5d0\ub294 \uc5ec\ub7ec\ubd84\uc774 \uc9c1\uc811 \ube14\ub85c\uadf8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uad6c\ucd95\ud558\uace0 \uc6b4\uc601\ud560 \uc218 \uc788\ub294 \ub2a5\ub825\uc744 \uac16\ucd94\uac8c \ub420 \uac83\uc785\ub2c8\ub2e4.<\/p>\n
\uc2a4\ud504\ub9c1 \ubd80\ud2b8(Spring Boot)\ub294 \uc790\ubc14 \uae30\ubc18\uc758 \uc6f9 \ud504\ub808\uc784\uc6cc\ud06c\uc778 \uc2a4\ud504\ub9c1(SPRING)\uc758 \ud655\uc7a5\ud310\uc73c\ub85c, \ube60\ub974\uace0 \ud3b8\ub9ac\ud558\uac8c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\ub3c4\ub85d \ub3d5\ub294 \ub3c4\uad6c\uc785\ub2c8\ub2e4. \ubcf5\uc7a1\ud55c \uc124\uc815\uc744 \ucd5c\uc18c\ud654\ud558\uace0, \uc77c\ubc18\uc801\uc778 \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uad6c\uc870\ub97c \uc190\uc27d\uac8c \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \uc0ac\uc6a9\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \uc774\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n
\uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ud504\ub85c\uc81d\ud2b8\ub97c \uac1c\ubc1c\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud658\uacbd\uc774 \uc694\uad6c\ub429\ub2c8\ub2e4:<\/p>\n
\uba3c\uc800 JDK\ub97c \uc124\uce58\ud558\uace0 \uac1c\ubc1c \ub3c4\uad6c\ub97c \uc124\uc815\ud55c \ud6c4, \uc0c8\ub85c\uc6b4 \uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. IntelliJ IDEA\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0, File > New > Project\ub97c \ud074\ub9ad\ud558\uc5ec ‘Spring Initializr’\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/p>\n
Spring Initializr\ub97c \uc0ac\uc6a9\ud558\uc5ec \uae30\ubcf8\uc801\uc778 \uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uae30\ubcf8 \uac12\uc744 \uc124\uc815\ud55c \ub4a4 \ud544\uc694\ud55c \uc758\uc874\uc131\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4:<\/p>\n
(\uac1c\ubc1c \uc2dc \ud3b8\ub9ac\ud55c \uae30\ub2a5 \uc81c\uacf5)\n<\/ul>\n
\ud504\ub85c\uc81d\ud2b8\uac00 \uc0dd\uc131\ub418\uba74 \uae30\ubcf8\uc801\uc778 \ub514\ub809\ud1a0\ub9ac \uad6c\uc870\uac00 \uc0dd\uc131\ub429\ub2c8\ub2e4:<\/p>\n
\nsrc\/\n \u2514\u2500\u2500 main\/\n \u251c\u2500\u2500 java\/\n \u2502 \u2514\u2500\u2500 com\/\n \u2502 \u2514\u2500\u2500 example\/\n \u2502 \u2514\u2500\u2500 blog\/\n \u2502 \u251c\u2500\u2500 BlogApplication.java\n \u2502 \u2514\u2500\u2500 controller\/\n \u2502 \u2514\u2500\u2500 model\/\n \u2502 \u2514\u2500\u2500 repository\/\n \u2502 \u2514\u2500\u2500 service\/\n \u2514\u2500\u2500 resources\/\n \u251c\u2500\u2500 application.properties\n \u2514\u2500\u2500 static\/\n \u2514\u2500\u2500 templates\/\n<\/pre>\n\uc774 \uad6c\uc870\ub97c \ud1b5\ud574 MVC \ud328\ud134\uc744 \uc801\uc6a9\ud560 \uc218 \uc788\uc73c\uba70, \uac01 \uacc4\uce35\ubcc4\ub85c \uc5ed\ud560\uc744 \ubd84\ub9ac\ud558\uc5ec \uc18c\uc2a4 \ucf54\ub4dc\ub97c \uad00\ub9ac\ud558\uae30 \uc6a9\uc774\ud558\uac8c \ud574\uc90d\ub2c8\ub2e4.<\/p>\n
4. \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc124\uc815<\/h2>\n
\uc774\uc81c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\uacb0\uc744 \uc124\uc815\ud569\ub2c8\ub2e4. application.properties \ud30c\uc77c\uc5d0 \ub2e4\uc74c\uacfc \uac19\uc740 \ub0b4\uc6a9\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4:<\/p>\n
\nspring.datasource.url=jdbc:mysql:\/\/localhost:3306\/blog\nspring.datasource.username=root\nspring.datasource.password=yourpassword\nspring.jpa.hibernate.ddl-auto=update\nspring.jpa.show-sql=true\n<\/pre>\n\uc704\uc758 \uc124\uc815 \uac12\ub4e4\uc740 MySQL \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc5f0\uacb0\ud558\uae30 \uc704\ud55c \uae30\ubcf8\uc801\uc778 \uc815\ubcf4\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \uc5c6\uc73c\uba74 MySQL\uc5d0\uc11c \uba3c\uc800 \uc0dd\uc131\ud574 \uc8fc\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n
4.1 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub9c8\uc774\uadf8\ub808\uc774\uc158<\/h3>\n
\ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub9c8\uc774\uadf8\ub808\uc774\uc158\uc744 \uc704\ud574 \uc2a4\ud504\ub9c1 \ub370\uc774\ud130 JPA\uc758 \uc5d4\ud2f0\ud2f0\ub97c \uc815\uc758\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ube14\ub85c\uadf8 \uac8c\uc2dc\uae00\uc744 \uc704\ud55c Post \uc5d4\ud2f0\ud2f0\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n
\npackage com.example.blog.model;\n\nimport javax.persistence.*;\n\n@Entity\n@Table(name = \"posts\")\npublic class Post {\n @Id\n @GeneratedValue(strategy = GenerationType.IDENTITY)\n private Long id;\n\n private String title;\n private String content;\n private String author;\n\n \/\/ \uae30\ubcf8 \uc0dd\uc131\uc790 \ubc0f \uac8c\ud130\/\uc138\ud130 \uc0dd\ub7b5\n}\n<\/pre>\n5. RESTful API \uc124\uacc4<\/h2>\n
RESTful API\ub294 \uc6f9 \uc11c\ube44\uc2a4\uc758 \uc911\uc694\ud55c \uad6c\uc131 \uc694\uc18c\ub85c, \uc790\uc6d0\uc744 \uace0\uc720\ud55c URL\ub85c \uc2dd\ubcc4\ud558\uace0 HTTP \uba54\uc11c\ub4dc\ub97c \ud1b5\ud574 \uc870\uc791\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4. \ub2e4\uc74c \ub2e8\uacc4\uc5d0\uc11c\ub294 \ube14\ub85c\uadf8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud55c API\ub97c \uad6c\ucd95\ud569\ub2c8\ub2e4.<\/p>\n
5.1 Controller \uc791\uc131<\/h3>\n
\ube14\ub85c\uadf8 \uac8c\uc2dc\ubb3c\uc744 \uad00\ub9ac\ud558\ub294 REST API\ub97c \uc704\ud574 PostController\ub97c \uc791\uc131\ud569\ub2c8\ub2e4.<\/p>\n
\npackage com.example.blog.controller;\n\nimport com.example.blog.model.Post;\nimport com.example.blog.repository.PostRepository;\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.http.ResponseEntity;\nimport org.springframework.web.bind.annotation.*;\n\nimport java.util.List;\n\n@RestController\n@RequestMapping(\"\/api\/posts\")\npublic class PostController {\n @Autowired\n private PostRepository postRepository;\n\n @GetMapping\n public ListgetAllPosts() {\n return postRepository.findAll();\n }\n\n @PostMapping\n public Post createPost(@RequestBody Post post) {\n return postRepository.save(post);\n }\n \n @GetMapping(\"\/{id}\")\n public ResponseEntity getPostById(@PathVariable Long id) {\n Post post = postRepository.findById(id).orElse(null);\n return ResponseEntity.ok(post);\n }\n \n @PutMapping(\"\/{id}\")\n public ResponseEntity updatePost(@PathVariable Long id, @RequestBody Post postDetails) {\n Post post = postRepository.findById(id).orElse(null);\n \n \/\/ \ub0b4\uc6a9 \uc5c5\ub370\uc774\ud2b8 \ubc0f \uc800\uc7a5 \ub85c\uc9c1 \uc0dd\ub7b5\n \n return ResponseEntity.ok(updatedPost);\n }\n \n @DeleteMapping(\"\/{id}\")\n public ResponseEntity deletePost(@PathVariable Long id) {\n postRepository.deleteById(id);\n return ResponseEntity.ok().build();\n }\n}\n<\/void><\/post><\/post><\/post><\/pre>\n 6. \ud504\ub860\ud2b8\uc5d4\ub4dc\uc640\uc758 \ud1b5\uc2e0<\/h2>\n
REST API\uac00 \uad6c\ucd95\ub418\uba74 \ud504\ub860\ud2b8\uc5d4\ub4dc\uc640\uc758 \ud1b5\uc2e0\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. JavaScript\uc758 Fetch API\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \uc8fc\uace0\ubc1b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\uac00 \uac8c\uc2dc\ubb3c\uc744 \uac00\uc838\uc624\uac70\ub098, \uc0dd\uc131, \uc5c5\ub370\uc774\ud2b8, \uc0ad\uc81c\ud558\ub294 \ub85c\uc9c1\uc744 \uc791\uc131\ud569\ub2c8\ub2e4.<\/p>\n
6.1 \uc608\uc81c: \uac8c\uc2dc\ubb3c \ubaa9\ub85d \uac00\uc838\uc624\uae30<\/h3>\n
\nfetch('\/api\/posts')\n .then(response => response.json())\n .then(data => {\n console.log(data);\n })\n .catch(error => console.error('Error:', error));\n<\/pre>\n6.2 \uac8c\uc2dc\ubb3c \uc0dd\uc131\ud558\uae30<\/h3>\n
\nfetch('\/api\/posts', {\n method: 'POST',\n headers: {\n 'Content-Type': 'application\/json',\n },\n body: JSON.stringify({ title: '\uc81c\ubaa9', content: '\ub0b4\uc6a9', author: '\uc791\uc131\uc790' }),\n})\n.then(response => response.json())\n.then(data => {\n console.log('Success:', data);\n})\n.catch(error => {\n console.error('Error:', error);\n});\n<\/pre>\n7. \ubcf4\uc548 \ubc0f \uc778\uc99d<\/h2>\n
\ube14\ub85c\uadf8\uc5d0 \uc0ac\uc6a9\uc790 \uc778\uc99d\uc744 \ucd94\uac00\ud558\ub824\uba74 \uc2a4\ud504\ub9c1 \uc2dc\ud050\ub9ac\ud2f0(Spring Security)\ub97c \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. JWT(JSON Web Token) \uae30\ubc18\uc758 \uc778\uc99d\uc744 \ucd94\uac00\ud558\uc5ec \uc0ac\uc6a9\uc790 \uad00\ub9ac \ubc0f \uad8c\ud55c \ubd80\uc5ec\ub97c \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
8. \ubc30\ud3ec<\/h2>\n
\uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \uc815\uc0c1\uc801\uc73c\ub85c \uc791\ub3d9\ud55c\ub2e4\uba74 \uc2e4\uc81c \uc11c\ubc84\uc5d0 \ubc30\ud3ec\ud560 \ucc28\ub840\uc785\ub2c8\ub2e4. AWS, Heroku \ub4f1 \ub2e4\uc591\ud55c \ud074\ub77c\uc6b0\ub4dc \uc11c\ube44\uc2a4\ub97c \ud1b5\ud574 \ubc30\ud3ec\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Docker\ub97c \uc0ac\uc6a9\ud558\uba74 \ub354\uc6b1 \uc27d\uac8c \uad00\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
9. \uacb0\ub860<\/h2>\n
\uc774\ubc88 \uac15\uc88c\ub97c \ud1b5\ud574 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec REST API \uae30\ubc18\uc758 \ube14\ub85c\uadf8 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud558\ub294 \ubc29\ubc95\uc744 \ubc30\uc6e0\uc2b5\ub2c8\ub2e4. \uac01 \ub2e8\uacc4\ub9c8\ub2e4 \ud544\uc694\ud55c \uae30\uc220\uc744 \uc774\ud574\ud558\uace0 \uc2e4\uc81c \ucf54\ub4dc\ub97c \uc791\uc131\ud568\uc73c\ub85c\uc368, \uc5ec\ub7ec\ubd84\uc740 \uc6f9 \uac1c\ubc1c\uc790\ub85c\uc11c\uc758 \uc5ed\ub7c9\uc744 \ub192\uc77c \uc218 \uc788\ub294 \uae30\ud68c\ub97c \uac00\uc9c0\uac8c \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ub05d\uc73c\ub85c, \uac1c\ubc1c\ud55c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc9c0\uc18d\uc801\uc73c\ub85c \uac1c\uc120\ud558\uace0 \ud655\uc7a5\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uac10\uc0ac\ud569\ub2c8\ub2e4!<\/p>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"