\uc548\ub155\ud558\uc138\uc694! \uc624\ub298\uc740 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \uc0ac\uc6a9\ud55c \ubc31\uc5d4\ub4dc \uac1c\ubc1c\uc5d0 \ub300\ud574 \uc2ec\ub3c4 \uae4a\uc740 \uac15\uc88c\ub97c \uc9c4\ud589\ud558\uaca0\uc2b5\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub294 \uc790\ubc14 \uae30\ubc18\uc758 \ud504\ub808\uc784\uc6cc\ud06c\ub85c, \ube60\ub974\uace0 \uac04\ud3b8\ud558\uac8c \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud560 \uc218 \uc788\ub294 \ud50c\ub7ab\ud3fc\uc785\ub2c8\ub2e4. \ubcf8 \uac15\uc88c\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8 3<\/strong>\uacfc \uc790\ubc14 \ucd5c\uc2e0 \ubc84\uc804<\/strong>\uc5d0 \ucd08\uc810\uc744 \ub9de\ucdb0 \uad6c\uc131\ub429\ub2c8\ub2e4.<\/p>\n \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub294 \uc2a4\ud504\ub9c1 \ud504\ub808\uc784\uc6cc\ud06c\uc758 \ud655\uc7a5\uc785\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ud504\ub808\uc784\uc6cc\ud06c\ub294 \uc790\ubc14\ub85c \uac1c\ubc1c\ub41c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc704\ud55c \uac15\ub825\ud55c \uac1c\ubc1c \ub3c4\uad6c\uc774\uc9c0\ub9cc, \uc124\uc815\uacfc \ucd08\uae30\ud654\uac00 \ubcf5\uc7a1\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub294 \uc774\ub7ec\ud55c \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \ud0c4\uc0dd\ud558\uc600\uc73c\uba70, \ub2e4\uc74c\uacfc \uac19\uc740 \uc8fc\uc694 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4:<\/p>\n \uc2a4\ud504\ub9c1 \ubd80\ud2b8 3\ub294 \uc2a4\ud504\ub9c1 \ud504\ub808\uc784\uc6cc\ud06c 6\uc744 \uae30\ubc18\uc73c\ub85c \ud558\uba70, \uc5ec\ub7ec \uac00\uc9c0 \uc0c8\ub85c\uc6b4 \uae30\ub2a5\uacfc \uac1c\uc120 \uc0ac\ud56d\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc8fc\uc694 \ubcc0\uacbd \uc0ac\ud56d\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n \uc2a4\ud504\ub9c1 \ubd80\ud2b8 \uac1c\ubc1c\uc744 \uc704\ud574\uc11c\ub294 \uac1c\ubc1c \ud658\uacbd\uc744 \uc124\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uc544\ub798\uc758 \ub0b4\uc6a9\uc744 \ub530\ub77c \uc9c4\ud589\ud558\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n JDK\ub294 \uc790\ubc14 \uac1c\ubc1c \ub3c4\uad6c\ub85c, \ucd5c\uc2e0 \ubc84\uc804\uc744 \ub2e4\uc6b4\ub85c\ub4dc\ud558\uc5ec \uc124\uce58\ud569\ub2c8\ub2e4. \uc124\uce58 \ud6c4, PATH \ud658\uacbd \ubcc0\uc218\ub97c \uc124\uc815\ud574\uc90d\ub2c8\ub2e4.<\/p>\n IntelliJ IDEA\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\uc640\uc758 \ud1b5\ud569\uc774 \uc798 \ub418\uc5b4 \uc788\uc5b4 \ucd94\ucc9c\ub429\ub2c8\ub2e4. \uc124\uce58 \ud6c4, \ud544\uc694\ud55c \ud50c\ub7ec\uadf8\uc778\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n \ub458 \uc911 \ud558\ub098\ub97c \uc120\ud0dd\ud558\uc5ec \uc124\uce58\ud569\ub2c8\ub2e4. Maven\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0, \uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ud504\ub85c\uc81d\ud2b8\ub97c \uc0dd\uc131\ud558\ub294 \ubc29\ubc95\uc740 \uc5ec\ub7ec \uac00\uc9c0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 Spring Initializr\ub97c \uc0ac\uc6a9\ud55c \ubc29\ubc95\uc744 \uc18c\uac1c\ud569\ub2c8\ub2e4.<\/p>\n \uc774\uc81c \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac04\ub2e8\ud55c RESTful API\ub97c \ub9cc\ub4e4\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc544\ub798 \uc608\uc2dc\ub294 \uc0ac\uc6a9\uc790 \uad00\ub9ac API\uc785\ub2c8\ub2e4.<\/p>\n \uc774\uc81c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc2e4\ud589\ud558\uba74, \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub294 \ub2e4\uc591\ud55c \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \ud1b5\ud569\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. H2, MySQL, PostgreSQL \ub4f1 \uc5ec\ub7ec \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc73c\uba70, \uadf8 \uc911 H2\ub97c \uc0ac\uc6a9\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n \ud504\ub85c\uc81d\ud2b8\uac00 \ucee4\uc9d0\uc5d0 \ub530\ub77c API \uba85\uc138\uc11c \uc791\uc131\uc774 \uc911\uc694\ud574\uc9d1\ub2c8\ub2e4. Swagger\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac04\ud3b8\ud558\uac8c API \ubb38\uc11c\ub97c \uc791\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc2e4\ud589\ud55c \ud6c4, \uc544\ub798\ub294 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \uc0ac\uc6a9\ud55c \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4 \uc791\uc131 \uc608\uc2dc\uc785\ub2c8\ub2e4. JUnit\uacfc Spring Test\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc791\uc131\ud569\ub2c8\ub2e4.<\/p>\n \uc774\ubc88 \uac15\uc88c\ub97c \ud1b5\ud574 \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac04\ub2e8\ud55c \ubc31\uc5d4\ub4dc \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ub9cc\ub4dc\ub294 \ubc29\ubc95\uc744 \uc0b4\ud3b4\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub294 \ub2e4\uc591\ud55c \uae30\ub2a5\uacfc \uac04\ud3b8\ud55c \uc124\uc815 \ub355\ubd84\uc5d0 \ube60\ub974\uac8c \uc6f9 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uac1c\ubc1c\ud558\ub294 \ub370 \uc720\uc6a9\ud55c \ub3c4\uad6c\uc785\ub2c8\ub2e4. \ub354 \uae4a\uc774 \uc788\ub294 \ud559\uc2b5\uc744 \uc704\ud574 \uc2a4\ud504\ub9c1 \ubd80\ud2b8 \uacf5\uc2dd \ubb38\uc11c<\/a>\ub97c \ucc38\uace0\ud558\uc2dc\uae30 \ubc14\ub78d\ub2c8\ub2e4.<\/p>\n \uac10\uc0ac\ud569\ub2c8\ub2e4!<\/p>\n <\/body><\/p>\n","protected":false},"excerpt":{"rendered":"1. \uc2a4\ud504\ub9c1 \ubd80\ud2b8\ub780?<\/h2>\n
\n
2. \uc2a4\ud504\ub9c1 \ubd80\ud2b8 3\uc758 \uc8fc\uc694 \ubcc0\ud654<\/h2>\n
\n
3. \uac1c\ubc1c \ud658\uacbd \uc124\uc815<\/h2>\n
1. JDK \uc124\uce58: OpenJDK 17 \uc774\uc0c1\uc744 \uc124\uce58\ud569\ub2c8\ub2e4.\n2. IDE \uc124\uce58: IntelliJ IDEA, Eclipse \ub4f1\uc758 IDE\ub97c \uc120\ud0dd\ud558\uc5ec \uc124\uce58\ud569\ub2c8\ub2e4.\n3. Maven \ub610\ub294 Gradle \uc124\uce58: \uc758\uc874\uc131\uc744 \uad00\ub9ac\ud558\uae30 \uc704\ud574 Maven \ub610\ub294 Gradle\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/code><\/pre>\n3.1 JDK \uc124\uce58<\/h3>\n
3.2 IDE \uc124\uce58<\/h3>\n
3.3 Maven \ub610\ub294 Gradle \uc124\uce58<\/h3>\n
pom.xml<\/code>\uc744 \ud1b5\ud574 \uc758\uc874\uc131\uc744 \uad00\ub9ac\ud569\ub2c8\ub2e4. Gradle\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0, build.gradle<\/code> \ud30c\uc77c\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n4. \uc2a4\ud504\ub9c1 \ubd80\ud2b8 \ud504\ub85c\uc81d\ud2b8 \uc0dd\uc131<\/h2>\n
\n
\n
com.example<\/code><\/li>\ndemo<\/code><\/li>\n5. \uac04\ub2e8\ud55c RESTful API \ub9cc\ub4e4\uae30<\/h2>\n
5.1 \uc758\uc874\uc131 \ucd94\uac00<\/h3>\n
<dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-web<\/artifactId>\n<\/dependency><\/code><\/pre>\n5.2 \ubaa8\ub378 \ud074\ub798\uc2a4 \uc0dd\uc131<\/h3>\n
package com.example.demo.model;\n\npublic class User {\n private Long id;\n private String name;\n \n \/\/ \uc0dd\uc131\uc790, Getter \ubc0f Setter \uba54\uc11c\ub4dc\n}<\/code><\/pre>\n5.3 \ucee8\ud2b8\ub864\ub7ec \ud074\ub798\uc2a4 \uc0dd\uc131<\/h3>\n
package com.example.demo.controller;\n\nimport org.springframework.web.bind.annotation.*;\nimport com.example.demo.model.User;\n\nimport java.util.ArrayList;\nimport java.util.List;\n\n@RestController\n@RequestMapping(\"\/api\/users\")\npublic class UserController {\n private List5.4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc2e4\ud589<\/h3>\n
http:\/\/localhost:8080\/api\/users<\/code>\uc5d0\uc11c \uc0ac\uc6a9\uc790 \ubaa9\ub85d\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n6. \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5f0\ub3d9<\/h2>\n
6.1 H2 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc758\uc874\uc131 \ucd94\uac00<\/h3>\n
<dependency>\n <groupId>com.h2database<\/groupId>\n <artifactId>h2<\/artifactId>\n <scope>runtime<\/scope>\n<\/dependency><\/code><\/pre>\n6.2 application.properties \uc124\uc815<\/h3>\n
spring.datasource.url=jdbc:h2:mem:testdb\nspring.datasource.driverClassName=org.h2.Driver\nspring.datasource.username=sa\nspring.datasource.password=\nspring.h2.console.enabled=true<\/code><\/pre>\n7. \uba85\uc138\uc11c \uc791\uc131<\/h2>\n
7.1 Swagger \uc758\uc874\uc131 \ucd94\uac00<\/h3>\n
<dependency>\n <groupId>io.springfox<\/groupId>\n <artifactId>springfox-boot-starter<\/artifactId>\n <version>3.0.0<\/version>\n<\/dependency><\/code><\/pre>\n7.2 Swagger \uc124\uc815 \ud074\ub798\uc2a4 \uc0dd\uc131<\/h3>\n
package com.example.demo.config;\n\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\nimport springfox.documentation.builders.PathSelectors;\nimport springfox.documentation.builders.RequestHandlerSelectors;\nimport springfox.documentation.spi.DocumentationType;\nimport springfox.documentation.spring.web.plugins.Docket;\nimport springfox.documentation.swagger2.annotations.EnableSwagger2;\n\n@Configuration\n@EnableSwagger2\npublic class SwaggerConfig {\n @Bean\n public Docket api() {\n return new Docket(DocumentationType.SWAGGER_2)\n .select()\n .apis(RequestHandlerSelectors.any())\n .paths(PathSelectors.any())\n .build();\n }\n}<\/code><\/pre>\n7.3 Swagger UI \uc0ac\uc6a9<\/h3>\n
http:\/\/localhost:8080\/swagger-ui\/<\/code>\uc5d0\uc11c Swagger UI\ub97c \ud1b5\ud574 API \ubb38\uc11c\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n8. \ud14c\uc2a4\ud2b8 \ucf00\uc774\uc2a4 \uc791\uc131<\/h2>\n
8.1 \uc758\uc874\uc131 \ucd94\uac00<\/h3>\n
<dependency>\n <groupId>org.springframework.boot<\/groupId>\n <artifactId>spring-boot-starter-test<\/artifactId>\n <scope>test<\/scope>\n<\/dependency><\/code><\/pre>\n8.2 \ud14c\uc2a4\ud2b8 \ud074\ub798\uc2a4 \uc0dd\uc131<\/h3>\n
package com.example.demo;\n\nimport static org.assertj.core.api.Assertions.assertThat;\n\nimport org.junit.jupiter.api.Test;\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;\nimport org.springframework.boot.test.context.SpringBootTest;\nimport org.springframework.test.web.servlet.MockMvc;\n\n@SpringBootTest\n@AutoConfigureMockMvc\npublic class UserControllerTests {\n @Autowired\n private MockMvc mockMvc;\n\n @Test\n public void getUsers_ShouldReturnUsers() throws Exception {\n this.mockMvc.perform(get(\"\/api\/users\"))\n .andExpect(status().isOk())\n .andExpect(jsonPath(\"$.length()\").value(0));\n }\n}<\/code><\/pre>\n9. \uacb0\ub860<\/h2>\n