vue 页面
<el-button @click="testPdf">导出PDF文件</el-button>
<div id="container" >
<el-button type="danger">危险按钮</el-button>
<span>{{ t1 }}</span>
</div>
js代码
methods: {
testPdf() {
// this.dialogVisible = true;
window.scrollTo(0, 0);
this.t1 = '666';
this.$nextTick(()=>{
this.getPdf();
})
},
},
htmlToPdf.js
// 导出页面为PDF格式
import html2Canvas from 'html2canvas';
import JsPDF from 'jspdf';
export default {
install(Vue) {
Vue.prototype.getPdf = function () {
var title = 'test';
html2Canvas(document.querySelector('#container'), {
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');
})
}
}
}
index.js
目录: plugin/index.js
import Vue from 'vue';
import htmlToPdf from './htmlToPdf';
Vue.use(htmlToPdf);
main.js
import './plugin/jspdf';
有问题请留言。