在idea里面写一个利用springboot Mybaits框架实现一个简单的单表的后台系统， 如教师系统 。主要功能是添加、删除、批量删除、更新、查看详情、查询的完整代码编程

在IntelliJ IDEA中创建一个基于Spring Boot和MyBatis的简单教师管理系统需要几个步骤，这里我会给出一个概述和关键代码片段，因为完整的项目代码会非常大。假设你已经设置了Spring Boot和MyBatis的基本配置。

首先，你需要在`pom.xml`文件中添加相关依赖：

<dependencies>
    <!-- Spring Boot -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.mybatis.spring.boot</groupId>
        <artifactId>mybatis-spring-boot-starter</artifactId>
    </dependency>

    <!-- MyBatis -->
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis</artifactId>
    </dependency>
    <!-- JPA for database operations -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-jpa</artifactId>
    </dependency>
    <!-- MySQL connector -->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
    </dependency>
</dependencies>

然后，设置`application.properties`或`application.yml`中的数据库连接信息：

spring.datasource.url=jdbc:mysql://localhost:3306/yourdb?serverTimezone=UTC
spring.datasource.username=root
spring.datasource.password=yourpassword

spring.jpa.hibernate.ddl-auto=update

接下来，创建数据模型（Teacher.java）：

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;

@Entity
public class Teacher {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Long id;
    private String name;
    // getters and setters
}

在`mybatis-config.xml`里配置SqlSessionFactory：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    <environments default="development">
        <environment id="development">
            <transactionManager type="JDBC"/>
            <dataSource type="POOLED">
                <property name="driver" value="${spring.datasource.driver-class-name}"/>
                <property name="url" value="${spring.datasource.url}"/>
                <property name="username" value="${spring.datasource.username}"/>
                <property name="password" value="${spring.datasource.password}"/>
            </dataSource>
        </environment>
    </environments>
    <mappers>
        <mapper resource="com/example/teacher/TeacherMapper.xml"/>
    </mappers>
</configuration>

`TeacherMapper.xml`中的基本CRUD操作映射：

<mapper namespace="com.example.teacher.TeacherMapper">
    <select id="getById" resultType="com.example_teacher.Teacher">
        SELECT * FROM teacher WHERE id = #{id}
    </select>
    
    <insert id="addTeacher" parameterType="com.example_teacher.Teacher">
        INSERT INTO teacher (name) VALUES (#{name})
    </insert>
    <!--其他 CRUD 操作映射如 delete 和 update 类似 -->
</mapper>

最后，在Controller层处理HTTP请求：

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

@RestController
@RequestMapping("/api/teachers")
public class TeacherController {
    private final TeacherMapper teacherMapper;

    @Autowired
    public TeacherController(TeacherMapper teacherMapper) {
        this.teacherMapper = teacherMapper;
    }

    // 示例方法，添加、删除等方法类似
    @PostMapping
    public ResponseEntity<?> addTeacher(@RequestBody Teacher teacher) {
        int rowsAffected = teacherMapper.addTeacher(teacher);
        // 返回响应...
    }
}

以上是一个简化的示例，实际项目还需要处理事务、异常处理和分页查询等功能。完成上述步骤后，你可以在IDEA中通过运行`Spring Boot应用`来测试这个教师管理系统。