Tlias智能学习辅助系统 01
- 创建员工、部门表
- 创建springboot工程,引入对应的起步依赖(web、mybatis、mysql驱动、lombok)
- 准备 Mapper、Service、Controller 等基础结构
- Mapper
- Service
- Controller
- pojo封装类
- application.properties
- 接口开发规范
创建员工、部门表
-- 创建tlias数据库
sql> create database tlias;
-- 部门管理
create table dept(
id int unsigned primary key auto_increment comment '主键ID',
name varchar(10) not null unique comment '部门名称',
create_time datetime not null comment '创建时间',
update_time datetime not null comment '修改时间'
) comment '部门表';
insert into dept (id, name, create_time, update_time) values(1,'学工部',now(),now()),(2,'教研部',now(),now()),(3,'咨询部',now(),now()), (4,'就业部',now(),now()),(5,'人事部',now(),now());
-- 员工管理(带约束)
create table emp (
id int unsigned primary key auto_increment comment 'ID',
username varchar(20) not null unique comment '用户名',
password varchar(32) default '123456' comment '密码',
name varchar(10) not null comment '姓名',
gender tinyint unsigned not null comment '性别, 说明: 1 男, 2 女',
image varchar(300) comment '图像',
job tinyint unsigned comment '职位, 说明: 1 班主任,2 讲师, 3 学工主管, 4 教研主管, 5 咨询师',
entrydate date comment '入职时间',
dept_id int unsigned comment '部门ID',
create_time datetime not null comment '创建时间',
update_time datetime not null comment '修改时间'
) comment '员工表';
INSERT INTO emp
(id, username, password, name, gender, image, job, entrydate,dept_id, create_time, update_time) VALUES
(1,'jinyong','123456','金庸',1,'1.jpg',4,'2000-01-01',2,now(),now()),
(2,'zhangwuji','123456','张无忌',1,'2.jpg',2,'2015-01-01',2,now(),now()),
(3,'yangxiao','123456','杨逍',1,'3.jpg',2,'2008-05-01',2,now(),now()),
(4,'weiyixiao','123456','韦一笑',1,'4.jpg',2,'2007-01-01',2,now(),now()),
(5,'changyuchun','123456','常遇春',1,'5.jpg',2,'2012-12-05',2,now(),now()),
(6,'xiaozhao','123456','小昭',2,'6.jpg',3,'2013-09-05',1,now(),now()),
(7,'jixiaofu','123456','纪晓芙',2,'7.jpg',1,'2005-08-01',1,now(),now()),
(8,'zhouzhiruo','123456','周芷若',2,'8.jpg',1,'2014-11-09',1,now(),now()),
(9,'dingminjun','123456','丁敏君',2,'9.jpg',1,'2011-03-11',1,now(),now()),
(10,'zhaomin','123456','赵敏',2,'10.jpg',1,'2013-09-05',1,now(),now()),
(11,'luzhangke','123456','鹿杖客',1,'11.jpg',5,'2007-02-01',3,now(),now()),
(12,'hebiweng','123456','鹤笔翁',1,'12.jpg',5,'2008-08-18',3,now(),now()),
(13,'fangdongbai','123456','方东白',1,'13.jpg',5,'2012-11-01',3,now(),now()),
(14,'zhangsanfeng','123456','张三丰',1,'14.jpg',2,'2002-08-01',2,now(),now()),
(15,'yulianzhou','123456','俞莲舟',1,'15.jpg',2,'2011-05-01',2,now(),now()),
(16,'songyuanqiao','123456','宋远桥',1,'16.jpg',2,'2007-01-01',2,now(),now()),
(17,'chenyouliang','123456','陈友谅',1,'17.jpg',NULL,'2015-03-21',NULL,now(),now());
mysql> select * from emp;
+----+--------------+----------+--------+--------+--------+------+------------+---------+---------------------+---------------------+
| id | username | password | name | gender | image | job | entrydate | dept_id | create_time | update_time |
+----+--------------+----------+--------+--------+--------+------+------------+---------+---------------------+---------------------+
| 1 | jinyong | 123456 | 金庸 | 1 | 1.jpg | 4 | 2000-01-01 | 2 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 2 | zhangwuji | 123456 | 张无忌 | 1 | 2.jpg | 2 | 2015-01-01 | 2 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 3 | yangxiao | 123456 | 杨逍 | 1 | 3.jpg | 2 | 2008-05-01 | 2 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 4 | weiyixiao | 123456 | 韦一笑 | 1 | 4.jpg | 2 | 2007-01-01 | 2 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 5 | changyuchun | 123456 | 常遇春 | 1 | 5.jpg | 2 | 2012-12-05 | 2 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 6 | xiaozhao | 123456 | 小昭 | 2 | 6.jpg | 3 | 2013-09-05 | 1 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 7 | jixiaofu | 123456 | 纪晓芙 | 2 | 7.jpg | 1 | 2005-08-01 | 1 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 8 | zhouzhiruo | 123456 | 周芷若 | 2 | 8.jpg | 1 | 2014-11-09 | 1 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 9 | dingminjun | 123456 | 丁敏君 | 2 | 9.jpg | 1 | 2011-03-11 | 1 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 10 | zhaomin | 123456 | 赵敏 | 2 | 10.jpg | 1 | 2013-09-05 | 1 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 11 | luzhangke | 123456 | 鹿杖客 | 1 | 11.jpg | 5 | 2007-02-01 | 3 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 12 | hebiweng | 123456 | 鹤笔翁 | 1 | 12.jpg | 5 | 2008-08-18 | 3 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 13 | fangdongbai | 123456 | 方东白 | 1 | 13.jpg | 5 | 2012-11-01 | 3 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 14 | zhangsanfeng | 123456 | 张三丰 | 1 | 14.jpg | 2 | 2002-08-01 | 2 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 15 | yulianzhou | 123456 | 俞莲舟 | 1 | 15.jpg | 2 | 2011-05-01 | 2 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 16 | songyuanqiao | 123456 | 宋远桥 | 1 | 16.jpg | 2 | 2007-01-01 | 2 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 17 | chenyouliang | 123456 | 陈友谅 | 1 | 17.jpg | NULL | 2015-03-21 | NULL | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
+----+--------------+----------+--------+--------+--------+------+------------+---------+---------------------+---------------------+
17 rows in set (0.00 sec)
mysql> select * from dept;
+----+--------+---------------------+---------------------+
| id | name | create_time | update_time |
+----+--------+---------------------+---------------------+
| 1 | 学工部 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 2 | 教研部 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 3 | 咨询部 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 4 | 就业部 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
| 5 | 人事部 | 2024-05-29 15:41:51 | 2024-05-29 15:41:51 |
+----+--------+---------------------+---------------------+
5 rows in set (0.00 sec)
创建springboot工程,引入对应的起步依赖(web、mybatis、mysql驱动、lombok)
创建完载入 Maven 项目
文件树
准备 Mapper、Service、Controller 等基础结构
Mapper(数据访问层)
:首先创建Mapper接口和对应的XML文件或者注解配置,用于定义数据访问的方法和SQL语句
Service(业务逻辑层)
:接着创建Service接口,定义业务逻辑的方法,然后创建其实现类,实现接口中定义的方法,并处理业务逻辑
Controller(表示层)
:最后创建Controller类,处理请求和响应,并调用Service层的方法完成业务逻辑
Mapper
DeptMapper.java
package com.futao.tliasspringbootweb.mapper;
import org.apache.ibatis.annotations.Mapper;
/**
* 部门管理
*/
@Mapper
public interface DeptMapper {
}
EmpMapper.java
package com.futao.tliasspringbootweb.mapper;
import org.apache.ibatis.annotations.Mapper;
/**
* 员工管理
*/
@Mapper
public interface EmpMapper {
}
Service
DeptService.java
package com.futao.tliasspringbootweb.service;
/**
* 部门管理
*/
public interface DeptService {
}
EmpService.java
package com.futao.tliasspringbootweb.service;
/**
* 员工管理
*/
public interface EmpService {
}
impl/DeptServiceImpl.java
package com.futao.tliasspringbootweb.service.impl;
import com.futao.tliasspringbootweb.service.DeptService;
import org.springframework.stereotype.Service;
@Service
public class DeptServiceImpl implements DeptService {
}
impl/EmpServiceImpl.java
package com.futao.tliasspringbootweb.service.impl;
import com.futao.tliasspringbootweb.service.EmpService;
import org.springframework.stereotype.Service;
@Service
public class EmpServiceImpl implements EmpService {
}
Controller
DeptController.java
package com.futao.tliasspringbootweb.controller;
import org.springframework.web.bind.annotation.RestController;
/**
* 部门管理Controller
*/
@RestController
public class DeptController {
}
EmpController.java
package com.futao.tliasspringbootweb.controller;
import org.springframework.web.bind.annotation.RestController;
/**
* 员工管理Controller
*/
@RestController
public class EmpController {
}
pojo封装类
Dept.java
package com.futao.tliasspringbootweb.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.time.LocalDateTime;
/**
* 部门实体类
*/
@Data
@NoArgsConstructor
@AllArgsConstructor
public class Dept {
private Integer id; //ID
private String name; //部门名称
private LocalDateTime createTime; //创建时间
private LocalDateTime updateTime; //修改时间
}
Emp.java
package com.futao.tliasspringbootweb.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.time.LocalDate;
import java.time.LocalDateTime;
/**
* 员工实体类
*/
@Data
@NoArgsConstructor
@AllArgsConstructor
public class Emp {
private Integer id; //ID
private String username; //用户名
private String password; //密码
private String name; //姓名
private Short gender; //性别 , 1 男, 2 女
private String image; //图像url
private Short job; //职位 , 1 班主任 , 2 讲师 , 3 学工主管 , 4 教研主管 , 5 咨询师
private LocalDate entrydate; //入职日期
private Integer deptId; //部门ID
private LocalDateTime createTime; //创建时间
private LocalDateTime updateTime; //修改时间
}
接口统一响应结果封装类
Result.java
package com.futao.tliasspringbootweb.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@NoArgsConstructor
@AllArgsConstructor
public class Result {
private Integer code;//响应码,1 代表成功; 0 代表失败
private String msg; //响应信息 描述字符串
private Object data; //返回的数据
//增删改 成功响应
public static Result success(){
return new Result(1,"success",null);
}
//查询 成功响应
public static Result success(Object data){
return new Result(1,"success",data);
}
//失败响应
public static Result error(String msg){
return new Result(0,msg,null);
}
}
// { code: , msg: , data: }
application.properties
#驱动类名称
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
#数据库连接的url
spring.datasource.url=jdbc:mysql://localhost:3306/tlias
#连接数据库的用户名
spring.datasource.username=root
#连接数据库的密码
spring.datasource.password=你的密码
#配置mybatis的日志, 指定输出到控制台
mybatis.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl
#开启mybatis的驼峰命名自动映射开关 a_column ------> aCloumn
mybatis.configuration.map-underscore-to-camel-case=true
接口开发规范
REST规范 || 传统规范