1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
import html2Canvas from "html2canvas"
import JsPDF from "jspdf"
export default {
install(Vue, options) {
Vue.prototype.getPdf = function (id, title) {
var title = title
html2Canvas(document.querySelector(id), {
allowTaint: true
}).then(function (canvas) {
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", 1.0)
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")
}
)
}
}
}