spingboot集成jpa(一）：最基本的环境搭建
spingboot集成jpa(二）：使用单元测试

    <!-- jdbc --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-data-jpa</artifactId></dependency><!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java --><dependency><groupId>mysql</groupId><artifactId>mysql-connector-java</artifactId></dependency>

spring.datasource.url=jdbc:mysql://localhost:3306/test
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.driver-class-name=com.mysql.jdbc.Driverspring.jpa.properties.hibernate.hbm2ddl.auto=update
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5InnoDBDialect
spring.jpa.show-sql=true

package com.king.entity;import java.util.Date;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;@Entity
@Table(name="m_user")
public class User{@Id@Column(name="ID")private String id;@Column(name="user_code")private String code;@Column(name="user_name")private String username;@Column(name="user_pwd")private String password;@Column(name="update_tmsp")private Date updateTime;public String getId() {return id;}public void setId(String id) {this.id = id;}public String getCode() {return code;}public void setCode(String code) {this.code = code;}public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}public Date getUpdateTime() {return updateTime;}public void setUpdateTime(Date updateTime) {this.updateTime = updateTime;}@Overridepublic String toString() {return "User [id=" + id + ", code=" + code + ", username=" + username+ ", password=" + password + ", updateTime=" + updateTime + "]";}
}

package com.king.dao;import org.springframework.data.jpa.repository.JpaRepository;import com.king.entity.User;public interface UserDao extends JpaRepository<User, String>{}

package com.king.service;import java.util.List;
import com.king.entity.User;public interface UserService {public User findOne(String id);public List<User> findAll();
}

package com.king.service.impl;import java.util.List;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.king.dao.UserDao;
import com.king.entity.User;
import com.king.service.UserService;@Service("userService")
public class UserServiceImpl implements UserService{@Autowiredprivate UserDao userDao;@Overridepublic User findOne(String id) {return userDao.findOne(id);}@Overridepublic List<User> findAll() {return userDao.findAll();}
}

package com.king.controller;import java.util.List;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;import com.king.entity.User;
import com.king.service.UserService;@RestController
public class UserController {@Autowiredprivate UserService userService;@RequestMapping("/queryUser")public User getUser(String id){return userService.findOne(id);}@RequestMapping("/queryAll")public List<User> getAll(){return userService.findAll();}}

package com.king.app;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.domain.EntityScan;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;@ComponentScan(basePackages={"com.king.controller","com.king.service"})
@EnableJpaRepositories(basePackages="com.king.dao")
@EntityScan(basePackages="com.king.entity")
@EnableAutoConfiguration
public class App {public static void main(String[] args) {SpringApplication.run(App.class, args);}
}