Spring Boot利用poi導出Excel

pom.xml

<!--Excel導出-->
<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi</artifactId>
    <version>3.15</version>
</dependency>

<dependency>
    <groupId>org.apache.poi</groupId>
    <artifactId>poi-ooxml</artifactId>
    <version>3.15</version>
</dependency>

QuestionExcelView.java

package com.zillion.cloud.api.knowledge.service.impl;

import com.zillion.cloud.api.knowledge.model.QuestionVo;
import org.apache.poi.hssf.util.HSSFColor;
import org.apache.poi.ss.usermodel.*;
import org.springframework.web.servlet.view.document.AbstractXlsView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.List;
import java.util.Map;


public class QuestionExcelView extends AbstractXlsView {

    @Override
    protected void buildExcelDocument(Map<String, Object> map, Workbook workbook, HttpServletRequest request, HttpServletResponse response) throws Exception {
        // change the file name
        response.setHeader("Content-Disposition", "attachment; filename=\"questions.xls\"");

        List<QuestionVo> questions = (List<QuestionVo>)map.get("questions");
        // create excel xls sheet
        Sheet sheet = workbook.createSheet("AC Question");
        sheet.setDefaultColumnWidth(30);

        // create style for header cells
        CellStyle style = workbook.createCellStyle();
        Font font = workbook.createFont();
        font.setFontName("Arial");
        style.setFillForegroundColor(HSSFColor.BLUE.index);
        style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
        font.setBold(true);
        font.setColor(HSSFColor.WHITE.index);
        style.setFont(font);

        // create header row
        Row header = sheet.createRow(0);
        header.createCell(0).setCellValue("Case ID");
        header.getCell(0).setCellStyle(style);
        header.createCell(1).setCellValue("SSA的疑問");
        header.getCell(1).setCellStyle(style);
        header.createCell(2).setCellValue("SME的解答");
        header.getCell(2).setCellStyle(style);
        header.createCell(3).setCellValue("站點");
        header.getCell(3).setCellStyle(style);
        header.createCell(4).setCellValue("技能");
        header.getCell(4).setCellStyle(style);
        header.createCell(5).setCellValue("分類");
        header.getCell(5).setCellStyle(style);
        header.createCell(6).setCellValue("涉及到的知識點");
        header.getCell(6).setCellStyle(style);

        int rowCount = 1;
        for(QuestionVo temp : questions){
            Row userRow =  sheet.createRow(rowCount++);
            userRow.createCell(0).setCellValue(temp.getCaseId());
            userRow.createCell(1).setCellValue(temp.getQuestion());
            userRow.createCell(2).setCellValue(temp.getAnswer());
            userRow.createCell(3).setCellValue(temp.getSiteName());
            userRow.createCell(4).setCellValue(temp.getSkillName());
            userRow.createCell(5).setCellValue(temp.getCatalogName());
            userRow.createCell(6).setCellValue(temp.getPoint());
        }

    }
}

Controller

@RequestMapping("/excel")
public ModelAndView download(Question queryK, HttpServletRequest request){ 
	List<QuestionVo> questions = questionService.listVo(queryK,"id","asc");//內容
	QuestionExcelView excelView = new QuestionExcelView();
	Map<String, Object> map = new HashMap<String, Object>();
	map.put("questions", questions);
	return new ModelAndView(excelView,map);
}