# codespace

**Repository Path**: easylist/codespace

## Basic Information

- **Project Name**: codespace
- **Description**: 自己平时练习的Demo
- **Primary Language**: Unknown
- **License**: GPL-3.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2025-07-23
- **Last Updated**: 2025-10-23

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# mybatis

笔记链接：[mybatis详细学习教程（建议收藏）-CSDN博客](https://blog.csdn.net/lanan666998/article/details/136534185?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522c6707d1a9dd1a74351c8791fb2d55670%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=c6707d1a9dd1a74351c8791fb2d55670&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~top_positive~default-2-136534185-null-null.142^v102^pc_search_result_base6&utm_term=mybatis&spm=1018.2226.3001.4187)

引入mybatis核心文件：[Mybatis别名配置_mybatis配置别名-CSDN博客](https://blog.csdn.net/qq_74299166/article/details/144247213?ops_request_misc=&request_id=&biz_id=102&utm_term=mybatis%E7%9A%84xml%E6%96%87%E4%BB%B6%E5%88%AB%E5%90%8D&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduweb~default-1-144247213.142^v102^pc_search_result_base6&spm=1018.2226.3001.4187)

```sql
-- 用户表
create table user(
    id int primary key auto_increment comment 'ID',
    name varchar(100) comment '姓名',
    age tinyint comment '年龄',
    gender tinyint comment '性别, 1:男, 2:女',
    phone varchar(11) comment '手机号'
) comment '用户表';
 insert into user(id, name, age, gender, phone) VALUES (null,'白眉鹰王',55,'1','18800000000');
insert into user(id, name, age, gender, phone) VALUES (null,'金毛狮王',45,'1','18800000001');
insert into user(id, name, age, gender, phone) VALUES (null,'青翼蝠王',38,'1','18800000002');
insert into user(id, name, age, gender, phone) VALUES (null,'紫衫龙王',42,'2','18800000003');
insert into user(id, name, age, gender, phone) VALUES (null,'光明左使',37,'1','18800000004');
insert into user(id, name, age, gender, phone) VALUES (null,'光明右使',48,'1','18800000005');

-- 部门管理
create table dept
(
    id          int 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';
-- 部门表测试数据
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
create table emp
(
    id          int 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 not null comment '性别, 说明: 1 男, 2 女',
    image       varchar(300) comment '图像',
    job         tinyint 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 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';
-- 员工表测试数据
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, '2010-01-01', 2, now(), now()),
(17, 'chenyouliang', '123456', '陈友谅', 1, '17.jpg', NULL, '2015-03-21', NULL, now(), now());

```