java導出圖片到Excel

 

        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml</artifactId>
            <version>3.17</version>
        </dependency>

package com.zpc.timor.test201907;

import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.ClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletResponse;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;

/**
 * @Author timor
 * @Date 2019/7/11
 */
@Controller
public class ExportExcelTest {

    @RequestMapping("/export")
    private static void export(HttpServletResponse response) throws IOException {

        HSSFWorkbook workbook = new HSSFWorkbook();
        // 生成一個表格
        HSSFSheet sheet = workbook.createSheet("title");
        HSSFRow row = sheet.createRow(0);
//        HSSFCell cell = row.createCell(0);
//        cell.setCellValue("123");
        File file = new File("D:/upload/file/9706a9fa-4d6d-4fd4-971f-0d5fc5645792.png");
        BufferedImage bufferedImage = ImageIO.read(file);
        ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();
        ImageIO.write(bufferedImage, "jpg", byteArrayOut);
        byte[] data = byteArrayOut.toByteArray();

        HSSFPatriarch drawingPatriarch = sheet.createDrawingPatriarch();
        HSSFClientAnchor anchor = new HSSFClientAnchor(0, 0, 0, 0, (short)0, 0+2, (short) 1, 0 + 2);
        anchor.setAnchorType(ClientAnchor.AnchorType.byId(0));
        try {
            drawingPatriarch.createPicture(anchor, workbook.addPicture(data, XSSFWorkbook.PICTURE_TYPE_JPEG));
            OutputStream output = response.getOutputStream();
            response.reset();
            response.setHeader("Content-disposition",
                    "attachment; filename="+new String("員工表".getBytes("gbk"), "iso8859-1")+".xls");
            response.setContentType("application/msexcel");
            response.setCharacterEncoding("utf-8");
            workbook.write(output);
            output.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }


}