java数据库批量插入数据的实现

void insertStudent(Student student);

    <insert id="insertStudent" parameterType="com.example.bootdemo.entity.Student">
        insert into student (s_name,s_birth,s_sex) values (#{s_name},#{s_birth},#{s_sex})
    </insert>

    @ResponseBody
    @RequestMapping("/insertstudent")
    public Integer insertStudent(){
        System.out.println("开始插入");
        long start = System.currentTimeMillis();
        /**
         * 依靠循环插入
         */
        for (int i = 0; i < 1000; i++) {
                Student student = new Student();
                student.setS_birth("20230206");
                student.setS_name("zjd");
                student.setS_sex("男");
                studentDao.insertStudent(student);
        }

        long end = System.currentTimeMillis();
        System.out.println("耗时："+(end-start));
        return 1;
    }

    <insert id="batchInsertStudent" parameterType="java.util.List">
        insert into student (s_name,s_birth,s_sex) values
        <foreach collection="students"  item="student" index="index" separator=",">
            (
             #{student.s_name},
             #{student.s_birth},
             #{student.s_sex}
            )
        </foreach>
    </insert>

    @ResponseBody
    @RequestMapping("/insertstudent")
    public Integer insertStudent(){
        System.out.println("开始插入");
        long start = System.currentTimeMillis();
        /**
         * 批量插入，大量数据时不推荐使用
         */
        List<Student> students = new ArrayList<>(count);
        for(int i=0;i<count;i++){
            Student student = new Student();
            student.setS_name("zjd"+i);
            student.setS_birth("20230206");
            student.setS_name("zjd");
            student.setS_sex("男");
            students.add(student);
        }
        studentDao.batchInsertStudent(students);

        long end = System.currentTimeMillis();
        System.out.println("耗时："+(end-start));
        return 1;
    }

    @ResponseBody
    @RequestMapping("/insertstudent")
    public Integer insertStudent() throws InterruptedException {
        System.out.println("开始插入");
        long start = System.currentTimeMillis();
        CountDownLatch countDownLatch = new CountDownLatch(6);
        for(int i=0;i<6;i++){
            List<Student> students = new ArrayList<>(count);
            int tempCount = 0;
            for(int n=0;n<count;n++){
                if(tempCount==2999){
                    studentDao.batchInsertStudent(students);
                    tempCount=0;
                    students.clear();
                }
                Student student = new Student();
                student.setS_name("zjd"+i);
                student.setS_birth("20230206");
                student.setS_name("zjd");
                student.setS_sex("男");
                students.add(student);
                tempCount++;
            }
            studentDao.batchInsertStudent(students);
            long end = System.currentTimeMillis();
            System.out.println("耗时："+(end-start));
            countDownLatch.countDown();
        }
        countDownLatch.await();
        return 1;
    }