Spring Boot整合MyBatis调用存储过程的实现

CREATE PROCEDURE procedure_name(parameters)
BEGIN
    -- SQL statements
END;

DELIMITER //
    CREATE PROCEDURE update_salary(IN emp_name VARCHAR(50), IN salary_change DECIMAL(10, 2))
    BEGIN
        UPDATE employees
        SET salary = salary + salary_change
        WHERE name = emp_name;
    END //
DELIMITER ;

CALL update_salary('John Doe', 500.00);

CREATE PROCEDURE get_employee_info(
    IN employeeId INT,
    OUT name VARCHAR(50),
    OUT salary DECIMAL(10, 2)
)
BEGIN
    SELECT name, salary INTO name, salary
    FROM employees
    WHERE id = employeeId;
END;

import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import java.math.BigDecimal;
@Mapper
public interface EmployeeMapper {
    void getEmployeeInfo(@Param("employeeId") int employeeId, @Param("name") String name, @Param("salary") BigDecimal salary);
}

<?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.example.mapper.EmployeeMapper">
    <select id="getEmployeeInfo" statementType="CALLABLE">
        {call get_employee_info(#{employeeId, mode=IN, jdbcType=INTEGER}, #{name, mode=OUT, jdbcType=VARCHAR}, #{salary, mode=OUT, jdbcType=DECIMAL})}
    </select>
</mapper>

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigDecimal;
public class Main {
    public static void main(String[] args) {
        String resource = "mybatis-config.xml";
        try (InputStream inputStream = Resources.getResourceAsStream(resource)) {
            SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
            try (SqlSession sqlSession = sqlSessionFactory.openSession()) {
                EmployeeMapper employeeMapper = sqlSession.getMapper(EmployeeMapper.class);
                int employeeId = 1;
                String name = null;
                BigDecimal salary = null;
                employeeMapper.getEmployeeInfo(employeeId, name, salary);
                System.out.println("Name: " + name);
                System.out.println("Salary: " + salary);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}