Spring Kotlin Postgres

dependencies {
    implementation("org.springframework.boot:spring-boot-starter-data-jpa")
    implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
    runtimeOnly("com.h2database:h2") // 或者 "org.postgresql:postgresql" 如果你使用 PostgreSQL
}

spring:
  datasource:
    url: jdbc:postgresql://localhost:5432/mydatabase
    username: myuser
    password: mypassword
    driver-class-name: org.postgresql.Driver
  jpa:
    hibernate:
      ddl-auto: update
    show-sql: true

import org.springframework.boot.autoconfigure.SpringBootApplication
import org.springframework.boot.runApplication
import org.springframework.data.annotation.Id
import org.springframework.data.relational.core.mapping.Table
import org.springframework.data.repository.CrudRepository

@SpringBootApplication
class Application

fun main(args: Array<String>) {
    runApplication<Application>(*args)
}

@Table("users")
data class User(@Id val id: Long? = null, val name: String, val email: String)

interface UserRepository : CrudRepository<User, Long> {
}