diff --git a/ant-design-vue-jeecg/src/mixins/htmlToPdf.js b/ant-design-vue-jeecg/src/mixins/htmlToPdf.js deleted file mode 100644 index 471b5cdd..00000000 --- a/ant-design-vue-jeecg/src/mixins/htmlToPdf.js +++ /dev/null @@ -1,90 +0,0 @@ -import html2canvas from 'html2canvas'; -import JsPDF from 'jspdf'; - -/** - * @param ele 要生成 pdf 的DOM元素(容器) - * @param padfName PDF文件生成后的文件名字 - * */ - -function downloadPDF(ele, pdfName){ - - let eleW = ele.offsetWidth;// 获得该容器的宽 - let eleH = ele.offsetHeight;// 获得该容器的高 - - let eleOffsetTop = ele.offsetTop; // 获得该容器到文档顶部的距离 - let eleOffsetLeft = ele.offsetLeft; // 获得该容器到文档最左的距离 - - var canvas = document.createElement("canvas"); - var abs = 0; - - let win_in = document.documentElement.clientWidth || document.body.clientWidth; // 获得当前可视窗口的宽度(不包含滚动条) - let win_out = window.innerWidth; // 获得当前窗口的宽度(包含滚动条) - - if(win_out>win_in){ - // abs = (win_o - win_i)/2; // 获得滚动条长度的一半 - abs = (win_out - win_in)/2; // 获得滚动条宽度的一半 - // console.log(a, '新abs'); - } - - canvas.width = eleW * 2; // 将画布宽&&高放大两倍 - canvas.height = eleH * 2; - - var context = canvas.getContext("2d"); - - context.scale(2, 2); - - context.translate(-eleOffsetLeft -abs, -eleOffsetTop); - // 这里默认横向没有滚动条的情况,因为offset.left(),有无滚动条的时候存在差值,因此 - // translate的时候,要把这个差值去掉 - - // html2canvas(element).then( (canvas)=>{ //报错 - // html2canvas(element[0]).then( (canvas)=>{ - html2canvas( ele, { - dpi: 300, - // allowTaint: true, //允许 canvas 污染, allowTaint参数要去掉,否则是无法通过toDataURL导出canvas数据的 - useCORS:true //允许canvas画布内 可以跨域请求外部链接图片, 允许跨域请求。 - } ).then( (canvas)=>{ - - var contentWidth = canvas.width; - var contentHeight = canvas.height; - //一页pdf显示html页面生成的canvas高度; - var pageHeight = contentWidth / 592.28 * 841.89; - //未生成pdf的html页面高度 - var leftHeight = contentHeight; - //页面偏移 - var position = 0; - //a4纸的尺寸[595.28,841.89],html页面生成的canvas在pdf中图片的宽高 - var imgWidth = 595.28; - var imgHeight = 595.28/contentWidth * contentHeight; - - var pageData = canvas.toDataURL('image/jpeg', 1.0); - - var pdf = new JsPDF('', 'pt', 'a4'); - - //有两个高度需要区分,一个是html页面的实际高度,和生成pdf的页面高度(841.89) - //当内容未超过pdf一页显示的范围,无需分页 - if (leftHeight < pageHeight) { - //在pdf.addImage(pageData, 'JPEG', 左,上,宽度,高度)设置在pdf中显示; - pdf.addImage(pageData, 'JPEG', 0, 0, imgWidth, imgHeight); - // pdf.addImage(pageData, 'JPEG', 20, 40, imgWidth, imgHeight); - } else { // 分页 - while(leftHeight > 0) { - pdf.addImage(pageData, 'JPEG', 0, position, imgWidth, imgHeight); - leftHeight -= pageHeight; - position -= 841.89; - //避免添加空白页 - if(leftHeight > 0) { - pdf.addPage(); - } - } - } - - //可动态生成 - pdf.save(pdfName); - }) - -} - -export default { - downloadPDF -} \ No newline at end of file diff --git a/ant-design-vue-jeecg/src/views/productplan/TestPdf.vue b/ant-design-vue-jeecg/src/views/productplan/TestPdf.vue deleted file mode 100644 index 73dff3ab..00000000 --- a/ant-design-vue-jeecg/src/views/productplan/TestPdf.vue +++ /dev/null @@ -1,28 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - -