java导出合并单元格excel

package com.excel.demo.vo;

import com.alibaba.excel.annotation.ExcelProperty;

/**
 * @author :Hj
 * @date 2021/2/25
 */
public class StudentVo {
    @ExcelProperty(value = "编号")
    private long id;
    @ExcelProperty(value = "姓名")
    private String name;
    @ExcelProperty({"年度"})
    private String year;
    @ExcelProperty({"分数统计", "数学"})
    private int math ;
    @ExcelProperty({"分数统计", "英语"})
    private int english;
    @ExcelProperty({"分数统计", "语文"})
    private int  chinese;
    @ExcelProperty({"总计"})
    private int sum;


    public String getYear() {
        return year;
    }

    public void setYear(String year) {
        this.year = year;
    }

    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getMath() {
        return math;
    }

    public void setMath(int math) {
        this.math = math;
    }

    public int getEnglish() {
        return english;
    }

    public void setEnglish(int english) {
        this.english = english;
    }

    public int getChinese() {
        return chinese;
    }

    public void setChinese(int chinese) {
        this.chinese = chinese;
    }

    public int getSum() {
        return sum;
    }

    public void setSum(int sum) {
        this.sum = sum;
    }

}

  EasyExcel.write(filename,StudentVo.class).sheet("数据").doWrite(studentVos);