SpringBoot整合springDataJPA

 pom 依赖:

pom.xml

    
        org.springframework.boot
        spring-boot-starter-data-jpa
    
    
        mysql
        mysql-connector-java
    

配置文件: 

application.yml

server:
  port: 9001
spring:
  application:
    name: ihrm-company #指定服务名
  datasource:
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql://localhost:3306/ihrm?useUnicode=true&characterEncoding=utf8
    username: root
    password: root
  jpa:
    database: MySQL
    show-sql: true
    open-in-view: true

实体类:

package com.ihrm.domain.company;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
import java.io.Serializable;
import java.util.Date;

@Entity
@Table(name = "co_company")
@Data
@AllArgsConstructor
@NoArgsConstructor
public class Company implements Serializable
{
    private static final long serialVersionUID = 594829320797158219L;
    //ID
    @Id
    private String id;
    /**
     * 公司名称
     */
    @Column(name="name")
    private String name;
    /**
     * 企业登录账号ID
     */
    private String managerId;
    /**
     * 当前版本
     */
    private String version;
    /**
     * 续期时间
     */
    private Date renewalDate;
    /**
     * 到期时间
     */
    private Date expirationDate;
    /**
     * 公司地区
     */
    private String companyArea;
    /**
     * 公司地址
     */
    private String companyAddress;
    /**
     * 营业执照-图片ID
     */
    private String businessLicenseId;
    /**
     * 法人代表
     */
    private String legalRepresentative;
    /**
     * 公司电话
     */
    private String companyPhone;
    /**
     * 邮 箱
     */
    private String mailbox;
    /**
     * 公司规模
     */
    private String companySize;
    /**
     * 所属行业
     */
    private String industry;
    /**
     * 备 注
     */
    private String remarks;
    /**
     * 审核状态
     */
    private String auditState;
    /**
     * 状 态
     */
    private Integer state;
    /**
     * 当前余额
     */
    private Double balance;
    /**
     * 创建时间
     */
    private Date createTime;

 }

 

dao接口:

package com.ihrm.company.dao;

import com.ihrm.domain.company.Company;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
//  JpaRepository<实体类,主键类型>提供了基本的增删改查
//JpaSpecificationExecutor<实体类>用于做复杂的条件查询
public interface CompanyDao extends JpaRepository,
        JpaSpecificationExecutor
{


}

 

test测试:

package com.ihrm.company;

import com.ihrm.company.dao.CompanyDao;
import com.ihrm.domain.company.Company;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import java.util.List;

@SpringBootTest
@RunWith(SpringJUnit4ClassRunner.class)
public class CompanyDaoTest
{
    @Autowired
    private CompanyDao companyDao;

    @Test
    public void test(){
       Company company = companyDao.findById("1").get();
        System.out.println(company);
        /*List all = companyDao.findAll();
        System.out.println(all.get(0));*/
    }
}