fixed error

Fancy

2024-06-19 0826f3c8abb803ca4da66b39baa65b623fc2e38b

 pms-parent/pms-global/src/main/java/com/dy/pmsGlobal/util/QrCodeUtil.java

@@ -1,5 +1,6 @@
package com.dy.pmsGlobal.util;

import cn.hutool.core.codec.Base64;
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.converters.Converter;
import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
@@ -45,6 +46,18 @@
        return QrCodeGenerator.bufferedImageToByteArray(qrCodeImage, "JPEG");
    }

    public static String genQrCodeString(String code){
        try {
            byte[] codes = QrCodeUtil.genQrCode(code);
            return "data:image/jpeg;base64," + Base64.encode(codes);
        } catch (IOException e) {
            e.printStackTrace();
        } catch (WriterException e) {
            e.printStackTrace();
        }
        return "";
    }

    public static void downloadExcel(HttpServletResponse response, String fileName, String sheetName, List<Converter> list){
        if(CollectionUtils.isEmpty(list)){
            return;
@@ -55,7 +68,6 @@
            fileName = URLEncoder.encode(fileName, "UTF-8").replaceAll("\\+", "%20");
            response.setHeader("Content-disposition", "attachment;filename*=utf-8''" + fileName + ".xlsx");
            EasyExcel.write(response.getOutputStream(), list.get(0).getClass()).sheet(sheetName).doWrite(list);
            EasyExcel.write(response.getOutputStream(), Converter.class).sheet(sheetName).doWrite(list);
        }catch (Exception e){
            log.error("导出产品信息异常", e);
        }