springboot 集成 jpa 详解

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采用maven配置

项目结构：
这里写图片描述

添加相关依赖

        <!-- SpringData-Jpa依赖 -->        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-data-jpa</artifactId>        </dependency>        <!-- mysql驱动:com.mysql.jdbc.Driver -->        <dependency>            <groupId>mysql</groupId>            <artifactId>mysql-connector-java</artifactId>        </dependency>        <dependency>

application.yml

spring:  datasource:    url: jdbc:mysql://localhost:3306/test    username: root    password: root    driver-class-name: com.mysql.jdbc.Driver  jpa:     properties:      hibernate:         hbm2ddl.auto: create-drop

UserRepository

public interface UserRepository extends JpaRepository<User,Integer> {    @Query("From User")    public List<User> findTest();     public List<User> findByUsernameLike(String username);}

更多查询规则详情见 jpa查询详解

项目源码下载

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