简单导出

package.json

@@ -20,7 +20,9 @@
 		"dagre-d3": "^0.6.4",
 		"echarts": "5.3.2",
 		"element-plus": "2.2.3",
+		"html2canvas": "^1.4.1",
 		"json-editor-vue3": "^1.0.6",
+		"jspdf": "^2.5.1",
 		"nprogress": "0.2.0",
 		"qrcodejs2": "0.0.2",
 		"sortablejs": "1.15.0",

src/components/scOpl/scFire.vue

@@ -1,7 +1,7 @@
 <template>
 	<!--基本信息!-->
 	<el-main v-loading="mainLoading">
-
+		<div id="exportDiv" class="exportDiv">
 			<el-card shadow="hover">
 				<el-descriptions title="许可证信息" column=2>
 				<el-descriptions-item label="编号:">
@@ -288,10 +288,13 @@
 					></el-table-column>
 				</scTable>
 			</el-card>
+		</div>
+		<div class="exportBtn" @click="handleExport">导出</div>
 	</el-main>
 </template>
 
 <script>
+import PdfLoader from '@/utils/html2pdf';
 	import {genTree} from "@/utils/verificate";
 	export default {
 		name: "scFire",
@@ -366,8 +369,14 @@
 				that.getworkerList();
 				that.getgasList();
 			})
+			let exportDiv = document.getElementById('exportDiv')  // 需要导出部分页面的id名
+    		this.pdfDownLoader = new PdfLoader(exportDiv, '许可证', 'exportDiv')  // fileName -->导出文件名,  question-table -->防止被截断的class名
+  
 		},
 		methods: {
+			handleExport() {
+				this.pdfDownLoader.outPutPdfFn('许可证')
+			},
 			//根据oplId，查许可证
 			getOplData() {
 				this.mainLoading = true
@@ -426,5 +435,22 @@
 </script>
 
 <style scoped>
-
+.el-drawer__header {
+    margin-bottom: 0px;
+}
+.exportDiv{
+	padding-top: 20px;
+}
+.exportBtn{
+    width: 120px;
+    height: 40px;
+    color: #ffffff;
+    line-height: 40px;
+    text-align: center;
+    background: #438af4;
+    font-size: 18px;
+    border-radius: 5px;
+	margin-top: 10px;
+    box-shadow: 0 0 9px 0px rgba(0,0,0,.2);
+}
 </style>

src/utils/html2pdf.js

@@ -0,0 +1,120 @@
+import jsPDF from 'jspdf'
+import html2canvas from 'html2canvas'
+
+/*
+* 使用说明
+* ele:需要导出pdf的容器元素(dom节点 不是id)
+* pdfFileName: 导出文件的名字 通过调用outPutPdfFn方法也可传参数改变
+* splitClassName: 避免分段截断的类名 当pdf有多页时需要传入此参数 , 避免pdf分页时截断元素  如表格<tr class="itemClass"></tr>
+* 调用方式 先 let pdf = new PdfLoader(ele, 'pdf' ,'itemClass');
+* 若想改变pdf名称 pdf.outPutPdfFn(fileName);  outPutPdfFn方法返回一个promise 可以使用then方法处理pdf生成后的逻辑
+* */
+class PdfLoader {
+  constructor(ele, pdfFileName, splitClassName) {
+    this.ele = ele
+    this.pdfFileName = pdfFileName
+    this.splitClassName = splitClassName
+    this.A4_WIDTH = 595
+    this.A4_HEIGHT = 842
+  }
+
+  async getPDF(resolve) {
+    const ele = this.ele
+    const pdfFileName = this.pdfFileName
+    const eleW = ele.offsetWidth// 获得该容器的宽
+    const eleH = ele.scrollHeight// 获得该容器的高
+    const eleOffsetTop = ele.offsetTop// 获得该容器到文档顶部的距离
+    const eleOffsetLeft = ele.offsetLeft// 获得该容器到文档最左的距离
+    const canvas = document.createElement('canvas')
+    let abs = 0
+    const 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）
+    const 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_out - win_in) / 2// 获得滚动条宽度的一半
+    }
+    canvas.width = eleW * 2// 将画布宽&&高放大两倍
+    canvas.height = eleH * 2
+    const context = canvas.getContext('2d')
+    context.scale(2, 2) // 增强图片清晰度
+    context.translate(-eleOffsetLeft - abs, -eleOffsetTop)
+    html2canvas(ele, {
+      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(async canvas => {
+      const contentWidth = canvas.width
+      const contentHeight = canvas.height
+      // 一页pdf显示html页面生成的canvas高度;
+      const pageHeight = (contentWidth / this.A4_WIDTH) * this.A4_HEIGHT // 这样写的目的在于保持宽高比例一致 pageHeight/canvas.width = a4纸高度/a4纸宽度// 宽度和canvas.width保持一致
+      // 未生成pdf的html页面高度
+      let leftHeight = contentHeight
+      // 页面偏移
+      let position = 0
+      // a4纸的尺寸[595,842],单位像素，html页面生成的canvas在pdf中图片的宽高
+      const imgWidth = this.A4_WIDTH - 10 // -10为了页面有右边距
+      const imgHeight = (this.A4_WIDTH / contentWidth) * contentHeight
+      const pageData = canvas.toDataURL('image/jpeg', 1.0)
+      const pdf = 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', 5, 0, imgWidth, imgHeight)
+        // pdf.addImage(pageData, 'JPEG', 20, 40, imgWidth, imgHeight);
+      } else {
+        // 分页
+        while (leftHeight > 0) {
+          pdf.addImage(pageData, 'JPEG', 5, position, imgWidth, imgHeight)
+          leftHeight -= pageHeight
+          position -= this.A4_HEIGHT
+          // 避免添加空白页
+          if (leftHeight > 0) {
+            pdf.addPage()
+          }
+        }
+      }
+      pdf.save(pdfFileName + '.pdf', { returnPromise: true }).then(() => {
+        // 去除添加的空div 防止页面混乱
+        const doms = document.querySelectorAll('.emptyDiv')
+        for (let i = 0; i < doms.length; i++) {
+          doms[i].remove()
+        }
+      })
+      this.ele.style.height = ''
+      resolve()
+    })
+  }
+	//此方法是防止（图表之类）内容因为A4纸张问题被截断
+  async outPutPdfFn(pdfFileName) {
+    return new Promise((resolve, reject) => {
+      this.ele.style.height = 'initial'
+      pdfFileName ? this.pdfFileName = pdfFileName : null
+      const target = this.ele
+      const pageHeight = target.scrollWidth / this.A4_WIDTH * this.A4_HEIGHT
+      // 获取分割dom，此处为class类名为item的dom
+      const domList = document.getElementsByClassName(this.splitClassName)
+      // 进行分割操作，当dom内容已超出a4的高度，则将该dom前插入一个空dom，把他挤下去，分割
+      let pageNum = 1 // pdf页数
+      const eleBounding = this.ele.getBoundingClientRect()
+      for (let i = 0; i < domList.length; i++) {
+        const node = domList[i]
+        const bound = node.getBoundingClientRect()
+        const offset2Ele = bound.top - eleBounding.top
+        const currentPage = Math.ceil((bound.bottom - eleBounding.top) / pageHeight) // 当前元素应该在哪一页
+        if (pageNum < currentPage) {
+          pageNum++
+          const divParent = domList[i].parentNode // 获取该div的父节点
+          const newNode = document.createElement('div')
+          newNode.className = 'emptyDiv'
+          newNode.style.background = 'white'
+          newNode.style.height = (pageHeight * (pageNum - 1) - offset2Ele + 30) + 'px' // +30为了在换下一页时有顶部的边距
+          newNode.style.width = '100%'
+          divParent.insertBefore(newNode, node) //在每一个节点前面插入一个空的新节点，防止内容被分割截断
+        }
+      }
+      // 异步函数，导出成功后处理交互
+      this.getPDF(resolve, reject)
+    })
+  }
+}
+
+export default PdfLoader
+

src/views/hrm/clock_record.vue

@@ -230,7 +230,7 @@
           text: '数据请求中，请稍后...',
           background: 'rgba(0, 0, 0, 0)',
         })
-        that.$API.hrm.employee.list.req({page:1,page_size:999,belong_dept:that.query.employee__belong_dept})
+        that.$API.hrm.employee.list.req({page:1,page_size:999,type__in:'employee,remployee',belong_dept:that.query.employee__belong_dept})
           .then(res=>{
             let promiseList = [];
             let rowData1 = [],rowData2=[];