[spring boot] 用户登录/注册

spring-boot-demo/api/pom.xml

@@ -18,6 +18,11 @@
             <groupId>ml.sun</groupId>
             <artifactId>common</artifactId>
         </dependency>
+        <!-- service -->
+        <dependency>
+            <groupId>ml.sun</groupId>
+            <artifactId>service</artifactId>
+        </dependency>
         <!-- web -->
         <dependency>
             <groupId>org.springframework.boot</groupId>

spring-boot-demo/api/src/main/java/ml/sun/controller/UserController.kt

@@ -0,0 +1,18 @@
+package ml.sun.controller
+
+import ml.sun.service.user.IUserService
+import ml.sun.service.user.vo.UserInfoVO
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+@RequestMapping("user")
+class UserController(private val service: IUserService) {
+    @PostMapping("login")
+    fun login(username: String, password: String) = service.login(username, password)
+
+    @PostMapping("register")
+    fun register(@RequestBody userInfo: UserInfoVO) = service.register(userInfo)
+}

spring-boot-demo/api/src/main/resources/application.yml

@@ -1,6 +1,8 @@
 spring:
   profiles:
     active: ${profileActive:dev}
+  config:
+    import: application-service.yml
 
 logging:
   file:

spring-boot-demo/pom.xml

@@ -79,6 +79,7 @@
                 <configuration>
                     <compilerPlugins>
                         <plugin>spring</plugin>
+                        <plugin>jpa</plugin>
                     </compilerPlugins>
                 </configuration>
             </plugin>

spring-boot-demo/service/pom.xml

@@ -13,9 +13,20 @@
     <packaging>jar</packaging>
 
     <dependencies>
+        <!-- spring boot -->
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter</artifactId>
         </dependency>
+        <!-- database -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+        </dependency>
     </dependencies>
 </project>

spring-boot-demo/service/src/main/java/ml/sun/service/user/IUserService.kt

@@ -0,0 +1,9 @@
+package ml.sun.service.user
+
+import ml.sun.service.user.vo.UserInfoVO
+
+interface IUserService {
+    fun login(username: String, password: String): String
+
+    fun register(vo: UserInfoVO): String
+}

spring-boot-demo/service/src/main/java/ml/sun/service/user/impl/UserServiceImpl.kt

@@ -0,0 +1,26 @@
+package ml.sun.service.user.impl
+
+import ml.sun.service.user.IUserService
+import ml.sun.service.user.repository.UserInfoEntity
+import ml.sun.service.user.repository.UserRepository
+import ml.sun.service.user.vo.UserInfoVO
+import org.springframework.stereotype.Service
+
+@Service
+class UserServiceImpl(private val repository: UserRepository) : IUserService {
+    override fun login(username: String, password: String): String =
+        when (repository.findByUsernameAndPassword(username, password)) {
+            null -> "username / password ERROR"
+            else -> "login success"
+        }
+
+    override fun register(vo: UserInfoVO): String {
+        if (checkUserExists(vo.username)) {
+            return "user already registered"
+        }
+        repository.save(UserInfoEntity(vo))
+        return "register success"
+    }
+
+    fun checkUserExists(username: String): Boolean = repository.findByUsername(username) != null
+}

spring-boot-demo/service/src/main/java/ml/sun/service/user/repository/UserInfoEntity.kt

@@ -0,0 +1,21 @@
+package ml.sun.service.user.repository
+
+import jakarta.persistence.Column
+import jakarta.persistence.Entity
+import jakarta.persistence.GeneratedValue
+import jakarta.persistence.Id
+import jakarta.persistence.Table
+import ml.sun.service.user.vo.UserInfoVO
+import java.time.LocalDateTime
+
+@Entity
+@Table(name = "user_info")
+data class UserInfoEntity(
+    @Id @GeneratedValue var id: Int,
+    @Column var username: String,
+    @Column var password: String,
+    @Column var createDate: LocalDateTime,
+    @Column var email: String
+) {
+    constructor(vo: UserInfoVO) : this(0, vo.username, vo.password, LocalDateTime.now(), vo.email)
+}

spring-boot-demo/service/src/main/java/ml/sun/service/user/repository/UserRepository.kt

@@ -0,0 +1,9 @@
+package ml.sun.service.user.repository
+
+import org.springframework.data.jpa.repository.JpaRepository
+
+interface UserRepository : JpaRepository<UserInfoEntity, Int> {
+    fun findByUsername(username: String): UserInfoEntity?
+
+    fun findByUsernameAndPassword(username: String, password: String): UserInfoEntity?
+}

spring-boot-demo/service/src/main/java/ml/sun/service/user/vo/UserInfoVO.kt

@@ -0,0 +1,7 @@
+package ml.sun.service.user.vo
+
+import ml.sun.service.user.repository.UserInfoEntity
+
+data class UserInfoVO(val username: String, val password: String, val email: String) {
+    constructor(entity: UserInfoEntity) : this(entity.username, entity.password, entity.email)
+}

spring-boot-demo/service/src/main/resources/application-service.yml

@@ -0,0 +1,15 @@
+spring:
+  datasource:
+    url: jdbc:h2:mem:design
+    driver-class-name: org.h2.Driver
+    username: design
+    password: design
+  h2:
+    console:
+      enabled: true
+  jpa:
+    properties:
+      hibernate:
+        hbm2ddl:
+          auto: update
+    show-sql: true