Spring Data JPA如何为？
摘要：Spring Data JPA build.gradle plugins { id 'org.springframework.boot' version '2.7.0&
Spring Data JPA
build.gradle
plugins {
id 'org.springframework.boot' version '2.7.0'
id 'io.spring.dependency-management' version '1.0.11.RELEASE'
id 'java'
}
group = 'com.insight.into.life'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '17'
configurations {
compileOnly {
extendsFrom annotationProcessor
}
}
repositories {
mavenCentral()
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-web'
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
implementation 'org.springframework.boot:spring-boot-starter-actuator'
compileOnly 'org.projectlombok:lombok'
developmentOnly 'org.springframework.boot:spring-boot-devtools'
runtimeOnly 'mysql:mysql-connector-java'
annotationProcessor 'org.springframework.boot:spring-boot-configuration-processor'
annotationProcessor 'org.projectlombok:lombok'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
testImplementation 'org.springframework.security:spring-security-test'
}
tasks.named('test') {
useJUnitPlatform()
}
添加
org.springframework.boot:spring-boot-starter-web
org.springframework.boot:spring-boot-starter-data-jpa
mysql:mysql-connector-java
application.yml
server:
port: 9000
logging:
level:
org.springframework.security: info
spring:
datasource:
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://localhost:3306/auth-center?useUnicode=true&characterEncoding=utf8&allowPublicKeyRetrieval=true&useSSL=false&serverTimezone=Asia/Shanghai
username: root
password: 123456
jpa:
hibernate:
ddl-auto: update
spring.jpa.hibernate.ddl-auto 的参数可选项有
none：使用 mysql 数据库时，默认值为 none，对数据库表不会产生任何影响
update：Hibernate 根据实体变更表结构
create：每次都会重新创建表，但是应用程序关闭时，不会删除表
create-drop：创建表，应用程序关闭时，删除表。