Springboot集成JPA完成接口demo

从事一段时间Android的我,通常都是调用别人的接口来进行相关的开发,但是一直以来对于接口问题和后端开发的同学争吵不休,无法确定责任到底在谁,最终在这种情况下,我重新回到自己之前的Java开发,经过了两个小时的努力,完成了一个以springboot 为框架,其中集成了jpa,MySQL的方式来完成。废话不多说了,直接上代码!
其中项目的依赖文件为 :

org.springframework.boot
spring-boot-starter-data-jpa

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        org.springframework.boot
        spring-boot-starter-web
    

    
        org.springframework.boot
        spring-boot-devtools
        runtime
        true
    
    
        mysql
        mysql-connector-java
        runtime
    
    
        org.springframework.boot
        spring-boot-starter-test
        test
    
            ,
            application.properties  的配置文件为:

spring.datasource.url=jdbc:mysql://localhost:3306/zhiteng?characterEncoding=UTF-8&serverTimezone=UTC
spring.datasource.username=root
spring.datasource.password=password
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
#配置JPA
spring.jpa.show-sql=true
spring.jpa.hibernate.ddl-auto=update

bean 文件为:

@Entity
public class User {@Column
br/>@Column
br/>@GeneratedValue()
br/>@Column
br/>@Column
br/>@Column
br/>@Column
br/>@Column
br/>@Column
br/>@Column
br/>@Email
public String Email;@Column
br/>@Column
br/>@Column
br/>@Column
br/>@Column
br/>@Column

}
JPA :

public interface UserJpa extends JpaRepository {
long countUserByPhoneNum(String phoneNum);
}

Controller:@RestController
br/>@RestController
br/>@Autowired

@RequestMapping(value = register)
public Result register(@RequestParam("userName") String userName, @RequestParam("password") String password, String address, int age, String name,
                       String userAccount, String Email, @RequestParam("userPhone") String userPhone, String nikeName) {
    Result result = new Result();
    long tag = userJpa.countUserByPhoneNum(userPhone);
    if (tag > 0) {
        result.code = 201;
        result.msg = "用户已存在,可以直接登录";
    } else {
        User user = new User();
        user.userID = SerialUtils.getUserId();
        user.name = name;
        if (StringUtils.isEmpty(userAccount)) {
            user.userAccount = userName;
        } else {
            user.userAccount = userAccount;
        }
        user.phoneNum = userPhone;
        user.password = MyMD5Util.getMD5(password);
        if (StringUtils.isEmpty(nikeName)) {
            user.nikeName = "zhiteng" + userPhone.substring(userPhone.length() - 4);
        } else {
            user.nikeName = nikeName;
        }
        user.userName = userName;
        if (StringUtils.isEmpty(address)) {
            user.address = "陕西,渭南";
        } else {
            user.address = address;
        }
        user.age = age;
        user.Email = Email;
        user.userType = UserType.common;
        user.userRule = UserRule.user;
        User u = userJpa.save(user);
        if (null == u) {
            result.code = 202;
            result.data = user;
            result.msg = "注册失败";
        } else {
            result.code = 200;
            result.data = user;
            result.msg = "注册成功";
        }
    }
    return result;
}

}

对于Controller中的各类注解解释如下:@RestController将返回数据自动格式化为json文件
br/>@RestController将返回数据自动格式化为json文件
@RequestParam 必传参数,
其他为非必传参数


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