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  • SpringBoot整合Mybatis

    1.导入依赖

       <dependency>
                <groupId>org.mybatis.spring.boot</groupId>
                <artifactId>mybatis-spring-boot-starter</artifactId>
                <version>2.0.1</version>
            </dependency>

    2.创建实体类

    3.Dao层

    4.Service层

    5.ServiceImpl层

    package com.my.service.impl;
    import com.my.dao.IStudentDao;
    import com.my.entity.Student;
    import com.my.service.StudentService;
    import org.springframework.stereotype.Service;
    
    import javax.annotation.Resource;
    import java.util.List;
    
    @Service("studentService")
    public class StudentServiceImpl implements StudentService {
        @Resource
        private IStudentDao iGradeDao;
    
    
        @Override
        public int insertGrade(Student grade) {
            return iGradeDao.insertGrade(grade);
        }
    
        @Override
        public int updateGrade(Student grade) {
            return iGradeDao.updateGrade(grade);
        }
    
        @Override
        public int deleteGrade(Integer id) {
            return iGradeDao.deleteGrade(id);
        }
    
        @Override
        public List<Student> findAll() {
            return iGradeDao.findAll();
        }
    }
    View Code

    6.Controller层

    package com.my.controller;
    
    
    import com.my.entity.Student;
    import com.my.service.StudentService;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.RestController;
    
    import javax.annotation.Resource;
    import java.util.List;
    
    @RestController
    public class MybatisController {
        @Resource(name = "studentService")
        private StudentService studentService;
    
        @RequestMapping("/insertGrade")
        public int insertGrade(){
            return studentService.insertGrade(new Student("S1"));
        }
    
        @RequestMapping("/updateGrade")
        public int updateGrade(){
            return  studentService.updateGrade(new Student(10012,"S2"));
        }
    
        @RequestMapping("/deleteGrade")
        public int deleteGrade(){
            return studentService.deleteGrade(10012);
        }
    
        @RequestMapping("/findAll")
        public List<Student> findAll(){
            return studentService.findAll();
        }
    }
    View Code

    7.resources配置文件

      mapper

        Dao.xml

    <?xmlversion="1.0"encoding="UTF-8"?><!DOCTYPEmapperPUBLIC"-//mybatis.org//DTDMapper3.0//EN""http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mappernamespace="com.my.dao.IStudentDao"><resultMapid="getmap"type="com.my.entity.Student"><idproperty="stu_id"column="stu_id"></id><resultproperty="stu_name"column="stu_name"></result></resultMap><insertid="insertGrade">insertintostudentinfo(stu_name)values(#{stu_name})</insert><!--修改数据--><updateid="updateGrade">updatestudentinfosetstu_name=#{stu_name}wherestu_id=#{stu_id}</update><!--删除数据--><deleteid="deleteGrade">deletefromstudentinfowherestu_id=#{stu_id}</delete><!--查询数据--><selectid="findAll"resultType="com.my.entity.Student">select*fromstudentinfo</select></mapper>
    增删改查

    application.yml

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  • 原文地址:https://www.cnblogs.com/mayuan01/p/12039070.html
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