mirror of
https://codeup.aliyun.com/67762337eccfc218f6110e0e/vue/learning-system-portal.git
synced 2025-12-10 19:36:43 +08:00
提交首页样式修改
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@@ -983,7 +983,7 @@
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}
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}
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.medal-index{ // 勋章规则控制
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margin: 40px 60px 0 60px;
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}
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@@ -1008,7 +1008,7 @@
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margin-right: 30px;
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margin-bottom: 30px;
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border-radius: 8px;
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.xindex-course-image{
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width: 340px;
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height: 191px;
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@@ -1021,11 +1021,11 @@
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margin-top:30px;
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}
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.xindex-ranking-course{
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height: 612px;
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height: 592px;
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}
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.xindex-ranking-case{
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height: 395.5px;
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height: 295.5px;
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}
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.xindex-ranking-article{
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@@ -1,112 +0,0 @@
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/**
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path: src/utils/htmlToPdf.js
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name: 导出页面为PDF格式
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**/
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import html2Canvas from 'html2canvas'
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import JsPDF from 'jspdf'
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function convertImageToCanvas(image) {
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// 创建canvas DOM元素,并设置其宽高和图片一样
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let canvas = document.createElement("canvas");
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canvas.width = image.width;
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canvas.height = image.height;
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canvas.getContext("2d").drawImage(image, 0, 0);
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// 我们在实际的开发中,需要将抓换后的base64图片编码传输到后台图片服务器,由server直接存储或者生成一张图片;
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// 所以会用到 toDataURL
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//console.log(canvas.toDataURL('image/jpeg'))
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return canvas;
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}
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const htmlToPdf = {
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// pdfExport() {
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// var mainRight = document.getElementById('mainRight');
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// html2canvas(mainRight, {
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// allowTaint: true,
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// scale: 2, // 提升画面质量,但是会增加文件大小
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// }).then(function(canvas) {
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// var contentWidth = canvas.width;
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// var contentHeight = canvas.height;
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// var pageData = canvas.toDataURL('image/jpeg', 0.4);
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// var pdfWidth = (contentWidth + 10) / 2 * 0.75;
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// var pdfHeight = (contentHeight + 200) / 2 * 0.75; // 500为底部留白
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// var imgWidth = pdfWidth;
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// var imgHeight = (contentHeight / 2 * 0.75); //内容图片这里不需要留白的距离
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// var pdf = new jsPDF('', 'pt', [pdfWidth, pdfHeight]);
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// pdf.addImage(pageData, 'jpeg', 0, 0, imgWidth, imgHeight);
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// pdf.save('report_pdf_' + new Date().getTime() + '.pdf');
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// }); }
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getPdf(title) {
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let domId='idPdfDom';
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let dom=document.getElementById(domId);
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//所有的图片都加上
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let imgList=dom.querySelectorAll('img');
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//console.log('imgList',imgList)
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imgList.forEach(function(item){
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item.crossOrigin= 'anonymous';
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})
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let domBody=dom.querySelector('.export-dialog-body');
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//console.log(domBody,'domBody')
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let clientHeight=domBody.clientHeight;
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let contentHeight=domBody.scrollHeight;
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//console.log(domBody.clientHeight,'domBody.clientHeight')
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//console.log(domBody.scrollHeight,'domBody.scrollHeight')
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// console.log(domBody.clientHeight,'domBody.clientHeight')
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// console.log(domBody.clientHeight,'domBody.clientHeight')
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//export-dialog-body
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//let dom=document.querySelector('#'+domId);
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//console.log(dom.length,'dom.length');
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//return;
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html2Canvas(dom, {
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allowTaint: false,
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useCORS:true,
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async: true,
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scale: '1', // 放大倍数
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dpi: '192',
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scrollY: dom.top, // 关键代码,截取长度
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height: dom.height // 加高度,避免截取不全
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}).then(canvas=>{
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//内容的宽度
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let contentWidth = canvas.width;
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//内容高度
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let contentHeight = canvas.height;
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//一页pdf显示html页面生成的canvas高度,a4纸的尺寸[595.28,841.89];
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let pageHeight = contentWidth / 592.28 * 841.89;
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//未生成pdf的html页面高度
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let leftHeight = contentHeight;
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//页面偏移
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let position = 0;
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//a4纸的尺寸[595.28,841.89],html页面生成的canvas在pdf中图片的宽高
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let imgWidth = 595.28;
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let imgHeight = 841.89 / contentWidth * contentHeight;
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// let imgHeight = 592.28 / contentWidth * contentHeight;
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//canvas转图片数据
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let pageData = canvas.toDataURL('image/jpeg', 1.0);
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//新建JsPDF对象
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let PDF = new JsPDF('', 'pt', 'a4');
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//判断是否分页
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if (leftHeight < pageHeight) {
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PDF.addImage(pageData, 'JPEG', 0, 0, imgWidth, imgHeight)
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} else {
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while (leftHeight > 0) {
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PDF.addImage(pageData, 'JPEG', 0, position, imgWidth, imgHeight);
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leftHeight -= pageHeight;
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position -= 841.89;
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if (leftHeight > 0) {
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PDF.addPage()
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}
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}
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}
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//保存文件
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PDF.save('我的笔记.pdf')
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});
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}
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};
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export default htmlToPdf;
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@@ -186,7 +186,6 @@ import AuthorImg from '@/components/Portal/authorImg.vue';
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import { mapGetters } from 'vuex';
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import {formatDate,formatDateShort} from '@/utils/tools.js';
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import apiUser from "@/api/system/user.js";
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import htmlToPdf from '@/utils/htmlToPdf'
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export default {
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components:{interactBar,FileUpload,AuthorImg},
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computed: {
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@@ -269,7 +268,7 @@ export default {
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this.currentImagePath = path;
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this.dialogVisibleBigImage = true;
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},
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routerTo(item) {
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if(item.courseId) {
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this.$router.push('/course/studyindex?id='+item.courseId);
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@@ -328,8 +327,6 @@ export default {
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author:this.userData.avatar,//this.userInfo.avatar,
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}
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if(this.exportType == '1') {
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window.scrollTo(0, 0);
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htmlToPdf.getPdf('我的笔记');
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//apiNote.exportPdf(data);
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// apiNote.exportPdf(data).then(res=>{
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