feat：导出 pdf 添加 时间

nezha-fronted/src/components/common/js/htmlToPdf.js

@@ -31,7 +31,18 @@ export default {
         // a4纸的尺寸[595.28,841.89]，html页面生成的canvas在pdf中图片的宽高
         const imgWidth = 595.28
         const imgHeight = 592.28 / contentWidth * contentHeight
-        const pageData = canvas.toDataURL('image/jpeg', 1.0)
+        console.log(canvas)
+        // canvas.paddingTop = '30px'
+        const pageDataImg = canvas.toDataURL('image/jpeg', 1.0)
+        const canvasBox = document.createElement('canvas')
+        canvasBox.setAttribute('width', contentWidth + 30 + '')
+        canvasBox.setAttribute('height', pageHeight + '')
+        const ctx = canvasBox.getContext('2d')
+        ctx.font = '24 Arial'
+        ctx.strokeStyle = 'rgb(0,0,0)'
+        ctx.strokeText('九段刀客', 10, 10)
+        ctx.drawImage(pageDataImg, 0, 30, contentWidth, contentHeight)
+        const pageData = canvasBox.toDataURL('image/jpeg', 1.0)
         const 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

nezha-fronted/src/components/page/dashboard/panel.vue

@@ -822,6 +822,11 @@ export default {
         this.htmlTitle = this.panel.name
         this.scrollbarWrap.scrollTop = this.scrollbarWrap.scrollHeight
         this.$refs.chartList.onScroll(this.scrollbarWrap.scrollTop)
+        console.log(dom.children)
+        // const div = document.createElement('div')
+        // div.setAttribute('class', 'el-loading-spinner')
+        // div.innerText = '12321312312312321'
+        // dom.insertBefore(div,)
         let flag = true
         this.showScreenLoading(true)
         let timer = setInterval(() => {