kun 19/10/16 9:13

src/htmlToPdf.js

@@ -7,44 +7,44 @@ export default {
         allowTaint: true,
         scale: 2 // 提升画面质量，但是会增加文件大小
       }).then(function (canvas) {
-        var contentWidth = canvas.width
-        var contentHeight = canvas.height
+        // var contentWidth = canvas.width
+        // var contentHeight = canvas.height
 
-        var pageData = canvas.toDataURL('image/jpeg', 0.4)
+        // var pageData = canvas.toDataURL('image/jpeg', 0.4)
 
-        var pdfWidth = ((contentWidth + 10) / 2) * 0.75
-        var pdfHeight = ((contentHeight + 200) / 2) * 0.75 // 500为底部留白
+        // var pdfWidth = ((contentWidth + 10) / 2) * 0.75
+        // var pdfHeight = ((contentHeight + 200) / 2) * 0.75 // 500为底部留白
 
-        var imgWidth = pdfWidth
-        var imgHeight = (contentHeight / 2) * 0.75 // 内容图片这里不需要留白的距离
+        // var imgWidth = pdfWidth
+        // var imgHeight = (contentHeight / 2) * 0.75 // 内容图片这里不需要留白的距离
 
-        var pdf = new JsPDF('', 'pt', [pdfWidth, pdfHeight])
-        pdf.addImage(pageData, 'jpeg', 0, 0, imgWidth, imgHeight)
-        // pdf.save('report_pdf_' + new Date().getTime() + '.pdf')
-        pdf.save(title + '.pdf')
+        // var pdf = new JsPDF('', 'pt', [pdfWidth, pdfHeight])
+        // pdf.addImage(pageData, 'jpeg', 0, 0, imgWidth, imgHeight)
+        // // pdf.save('report_pdf_' + new Date().getTime() + '.pdf')
+        // pdf.save(title + '.pdf')
 
-        // let contentWidth = canvas.width
-        // let contentHeight = canvas.height
-        // let pageHeight = (contentWidth / 592.28) * 841.89
-        // let leftHeight = contentHeight
-        // let position = 0
-        // let imgWidth = 595.28
-        // let imgHeight = (592.28 / contentWidth) * contentHeight
-        // let pageData = canvas.toDataURL('image/jpeg', 0.4)
-        // let PDF = new JsPDF('', 'pt', 'a4')
-        // if (leftHeight < pageHeight) {
-        //   PDF.addImage(pageData, 'JPEG', 0, 0, imgWidth, imgHeight)
-        // } else {
-        //   while (leftHeight > 0) {
-        //     PDF.addImage(pageData, 'JPEG', 0, position, imgWidth, imgHeight)
-        //     leftHeight -= pageHeight
-        //     position -= 841.89
-        //     if (leftHeight > 0) {
-        //       PDF.addPage()
-        //     }
-        //   }
-        // }
-        // PDF.save(title + '.pdf')
+        let contentWidth = canvas.width
+        let contentHeight = canvas.height
+        let pageHeight = (contentWidth / 592.28) * 841.89
+        let leftHeight = contentHeight
+        let position = 0
+        let imgWidth = 595.28
+        let imgHeight = (592.28 / contentWidth) * contentHeight
+        let pageData = canvas.toDataURL('image/jpeg', 0.4)
+        let PDF = new JsPDF('', 'pt', 'a4')
+        if (leftHeight < pageHeight) {
+          PDF.addImage(pageData, 'JPEG', 0, 0, imgWidth, imgHeight)
+        } else {
+          while (leftHeight > 0) {
+            PDF.addImage(pageData, 'JPEG', 0, position, imgWidth, imgHeight)
+            leftHeight -= pageHeight
+            position -= 841.89
+            if (leftHeight > 0) {
+              PDF.addPage()
+            }
+          }
+        }
+        PDF.save(title + '.pdf')
       })
     }
   }