springboot之基于配置文件整合mybatis

mybatis:
  config-location: classpath:mybatis/mybatis-config.xml
  mapper-locations: classpath:mybatis/mapper/*.xml

<?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>

    <settings>
        <setting name="mapUnderscoreToCamelCase" value="true"/>
    </settings>
</configuration>

package com.gong.springbootjdbc.mapper;


import com.gong.springbootjdbc.bean.Employee;

//@Mapper或者@MapperScan将接口扫描装配到容器中
public interface EmployeeMapper {

    public Employee getEmpById(Integer id);

    public void insertEmp(Employee employee);
}

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.gong.springbootjdbc.mapper.EmployeeMapper">
   <!--    public Employee getEmpById(Integer id);

    public void insertEmp(Employee employee);-->
    <select id="getEmpById" resultType="com.gong.springbootjdbc.bean.Employee">
        SELECT * FROM employee WHERE id=#{id}
    </select>

    <insert id="insertEmp">
        INSERT INTO employee(lastName,email,gender,d_id) VALUES (#{lastName},#{email},#{gender},#{dId})
    </insert>
</mapper>

package com.gong.springbootjdbc.controller;

import com.gong.springbootjdbc.bean.Employee;
import com.gong.springbootjdbc.mapper.EmployeeMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class EmpController {
    @Autowired
    EmployeeMapper employeeMapper;

    @RequestMapping("/emp/{id}")
    public Employee getEmpById(@PathVariable("id") Integer id){
        return employeeMapper.getEmpById(id);
    }

    @RequestMapping("/emp")
    public Employee insertEmp(Employee employee){
        employeeMapper.insertEmp(employee);
        return employee;
    }
}