Java表数据导出到Excel中的实现

<!--导出Excel-->
		<dependency>
			<groupId>cn.afterturn</groupId>
			<artifactId>easypoi-base</artifactId>
			<version>3.0.3</version>
		</dependency>
		<dependency>
			<groupId>cn.afterturn</groupId>
			<artifactId>easypoi-web</artifactId>
			<version>3.0.3</version> </dependency>
		<dependency>
			<groupId>cn.afterturn</groupId>
			<artifactId>easypoi-annotation</artifactId>
			<version>3.0.3</version>
		</dependency>

package com.school.grid.business.domain.exam;

import cn.afterturn.easypoi.excel.annotation.ExcelTarget;
import cn.afterturn.easypoi.excel.annotation.Excel;
import lombok.Data;

/**
 * @author song
 * 导出成绩实体
 */
@Data
@ExcelTarget("exportGrades")
public class ExportGrades {

    /**
     * 学员名字
     */
    @Excel(name = "学员名字")
    private String userName;

    /**
     * 学员身份证号
     */
    @Excel(name = "学员身份证号")
    private String userIdCardNum;

    /**
     * 学员手机号
     */
    @Excel(name = "学员手机号")
    private String userId;

    /**
     * 考试科目
     */
    @Excel(name = "考试科目")
    private String paperManageSubject;

    /**
     * 学员考试成绩
     */
    @Excel(name = "学员考试成绩")
    private String userInfoPaperTtoalScore;
}

 /**
     * 导出：姓名、身份证、电话、考试科目、成绩
     * @param response
     * @param
     * @throws IOException
     */
    @ApiOperation("成绩导出到excel")
    @GetMapping("/export/grades")
    public void detailsImport(HttpServletResponse response) throws IOException {
        // 告诉浏览器用什么软件可以打开此文件
        response.setHeader("content-Type", "application/vnd.ms-excel");
        // 下载文件的默认名称
        response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode("学员成绩表导出", StandardCharsets.UTF_8) + ".xls");
        //编码
        response.setCharacterEncoding("UTF-8");
        //查询数据库要导出的数据
        List<ExportGrades> list = certificateService.exportGrades();
        //该方法需要三个参数：1、需要一个ExportParams2、要导出实体类3、导出的数据
        Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams(),ExportGrades.class,list);
        workbook.write(response.getOutputStream());
    }