36 lines
1.1 KiB
JavaScript
36 lines
1.1 KiB
JavaScript
import html2Canvas from 'html2canvas'
|
|
import JsPDF from 'jspdf'
|
|
export default {
|
|
install(Vue, options) {
|
|
Vue.prototype.getPdf = function(id, title) {
|
|
html2Canvas(document.querySelector(`#${id}`), {
|
|
allowTaint: true
|
|
}).then(function(canvas) {
|
|
const contentWidth = canvas.width
|
|
const contentHeight = canvas.height
|
|
const pageHeight = contentWidth / 592.28 * 841.89
|
|
let leftHeight = contentHeight
|
|
let position = 0
|
|
const imgWidth = 595.28
|
|
const imgHeight = 592.28 / contentWidth * contentHeight
|
|
const pageData = canvas.toDataURL('image/jpeg', 1.0)
|
|
const 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')
|
|
}
|
|
)
|
|
}
|
|
}
|
|
}
|