lcw

src/views/backOfficeSystem/AnalysisReport/components/a.js

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+// import jsPDF from 'jspdf';
+// import html2canvas from 'html2canvas';
+
+
+// export function useExportToPDF() {
+//   const exportToImage = async (element, filename = 'screenshot.png') => {
+//     const canvas = await html2canvas(element, {
+//       scale: 2,
+//       useCORS: true,
+//     });
+
+//     // 转换为图片并下载
+//     const link = document.createElement('a');
+//     link.download = filename;
+//     link.href = canvas.toDataURL('image/png');
+//     link.click();
+//   };
+
+//   // 将div导出为PDF的方法
+//   const exportDivToPDF = async (element, filename = 'document.pdf') => {
+//     try {
+//       // 使用html2canvas将div转换为canvas
+//       const canvas = await html2canvas(element, {
+//         scale: 2,  // 提高清晰度
+//         useCORS: true,  // 允许跨域图片
+//         logging: false,  // 关闭日志
+//         width: element.offsetWidth,
+//         height: element.offsetHeight,
+//         windowWidth: element.scrollWidth,
+//         windowHeight: element.scrollHeight,
+//         backgroundColor: '#ffffff'  // 设置背景色为白色
+//       });
+
+//       // 获取canvas的宽高
+//       const imgWidth = 210;  // A4纸宽度(mm)
+//       const pageHeight = 297;  // A4纸高度(mm)
+//       const imgHeight = canvas.height * imgWidth / canvas.width;
+//       let heightLeft = imgHeight;
+//       let position = 0;
+
+//       // 创建PDF文档
+//       const pdf = new jsPDF({
+//         orientation: 'portrait',
+//         unit: 'mm',
+//         format: 'a4'
+//       });
+
+//       // 将canvas转换为图片并添加到PDF
+//       const imgData = canvas.toDataURL('image/png');
+//       pdf.addImage(imgData, 'PNG', 0, position, imgWidth, imgHeight);
+//       heightLeft -= pageHeight;
+
+//       // 如果内容超出一页，添加新页面
+//       while (heightLeft > 0) {
+//         position = heightLeft - imgHeight;
+//         pdf.addPage();
+//         pdf.addImage(imgData, 'PNG', 0, position, imgWidth, imgHeight);
+//         heightLeft -= pageHeight;
+//       }
+
+//       // 下载PDF
+//       pdf.save(filename);
+//     } catch (error) {
+//       console.error('导出PDF失败:', error);
+//       alert('导出PDF失败，请稍后重试');
+//     }
+//   };
+
+//   return {
+//     exportToImage,
+//     exportDivToPDF
+//   };
+// }
+//     exportToImage
+//   };
+// }
+export function exportDivToPDF(divId, filename) {
+}