| | |
| | | <!-- @format --> |
| | | <template> |
| | | <div class="preview" v-if="this.preViewMd5"> |
| | | <div id="imageParent" class="imageBox"></div> |
| | | <div class="bottom_tool"> |
| | | <svg |
| | | @click="downloadPdf" |
| | | t="1718251204993" |
| | | class="icon" |
| | | viewBox="0 0 1024 1024" |
| | | version="1.1" |
| | | xmlns="http://www.w3.org/2000/svg" |
| | | p-id="4418" |
| | | xmlns:xlink="http://www.w3.org/1999/xlink" |
| | | width="25" |
| | | height="25" |
| | | > |
| | | <path |
| | | d="M557 564.974l153.188-181.04c16.054-18.972 44.448-21.34 63.42-5.286 18.972 16.054 21.338 44.448 5.284 63.42L550.56 711.92a44.982 44.982 0 0 1-8.95 10.254 44.872 44.872 0 0 1-15.082 8.432A44.944 44.944 0 0 1 512 733c-16.264 0-30.512-8.628-38.42-21.556L245.65 442.068c-16.052-18.972-13.686-47.366 5.286-63.42 18.972-16.052 47.366-13.686 63.42 5.286l152.646 180.4V157c0-24.852 20.148-45 45-45s45 20.148 45 45v407.974zM823 630c0-24.852 20.148-45 45-45s45 20.148 45 45v238c0 24.87-20.176 45.026-45.046 45l-710-0.726c-24.834-0.026-44.954-20.166-44.954-45V630c0-24.852 20.148-45 45-45s45 20.148 45 45v192.32l620 0.634V630z" |
| | | p-id="4419" |
| | | ></path> |
| | | </svg> |
| | | <el-dialog :visible.sync="localDialogVisible" @open="hadleOpenDialog" width="60vw" top="2vh" append-to-body |
| | | lock-scroll :show-close="false" class="custom-dialog"> |
| | | <div slot="title" class="header_title"> |
| | | <span>{{ pdfTitle }}</span> |
| | | <span @click="closeDialog"> x </span> |
| | | </div> |
| | | </div> |
| | | <div class="pdfModal" v-if="localDialogVisible"> |
| | | <!-- 原有的内容 --> |
| | | <div class="pdfBox-component"> |
| | | <div class="preview" v-if="this.preViewMd5"> |
| | | <div id="imageParent" class="imageBox"></div> |
| | | <div class="bottom_tool"></div> |
| | | </div> |
| | | <div class="notBox" v-if="totalPage == 0 && !loading"> |
| | | <el-empty description="暂无数据"></el-empty> |
| | | </div> |
| | | <div class="notBox" v-if="loading" v-loading="loading"></div> |
| | | </div> |
| | | </div> |
| | | </el-dialog> |
| | | </template> |
| | | <script> |
| | | import Viewer from "viewerjs"; |
| | |
| | | type: Boolean, |
| | | default: false, |
| | | }, |
| | | pdfTitle: { |
| | | type: String, |
| | | }, |
| | | }, |
| | | data() { |
| | | return { |
| | | localDialogVisible: false, |
| | | currentPageSrc: "", |
| | | currentPage: 1, |
| | | currentPage: 3, |
| | | totalPage: 1, |
| | | viewerCon: null, |
| | | preViewMd5: "", |
| | | loading: false, |
| | | }; |
| | | }, |
| | | watch: { |
| | | isClear: { |
| | | immediate: true, |
| | | handler(val) { |
| | | if (val == true) this.preViewMd5 = ""; |
| | | }, |
| | | }, |
| | | md5: { |
| | | immediate: true, |
| | | handler(val) { |
| | | if (val) { |
| | | this.preViewMd5 = val; |
| | | this.currentPage = 1; |
| | | this.currentPageSrc = ""; |
| | | this.totalPage = 1; |
| | | this.viewerCon?.destroy(); |
| | | } |
| | | }, |
| | | }, |
| | | }, |
| | | mounted() { |
| | | this.scrollBottom(); |
| | | this.clearDom(); |
| | | this.getFileInfo(); |
| | | // md5: { |
| | | // immediate: true, |
| | | // handler(val) { |
| | | // if (val) { |
| | | // // this.preViewMd5 = val |
| | | // this.currentPage = 1 |
| | | // this.currentPageSrc = '' |
| | | // this.totalPage = 1 |
| | | // this.viewerCon?.destroy() |
| | | // } |
| | | // }, |
| | | // }, |
| | | // dialogVisibleProp(newVal) { |
| | | // this.localDialogVisible = newVal; |
| | | // if (newVal) { |
| | | // this.currentPage = 1; |
| | | // this.loading = true; |
| | | // this.clearDom(); |
| | | // this.getFileInfo(); |
| | | // this.$nextTick(() => { |
| | | // this.scrollBottom() |
| | | // }); |
| | | // } else { |
| | | // this.viewerCon?.destroy(); |
| | | // } |
| | | // }, |
| | | }, |
| | | methods: { |
| | | hadleOpenDialog() { |
| | | this.preViewMd5 = this.md5; |
| | | this.currentPage = 3; |
| | | this.currentPageSrc = ""; |
| | | this.totalPage = 1; |
| | | this.viewerCon?.destroy(); |
| | | this.loading = true; |
| | | this.clearDom(); |
| | | this.getFileInfo(); |
| | | this.$nextTick(() => { |
| | | this.scrollBottom(); |
| | | }); |
| | | }, |
| | | closeDialog() { |
| | | this.localDialogVisible = false; |
| | | }, |
| | | openDialog() { |
| | | this.localDialogVisible = true; |
| | | }, |
| | | async downloadPdf() { |
| | | console.log(await getResourcePath(this.preViewMd5), "12345"); |
| | | |
| | | window.open(await getResourcePath(this.preViewMd5)); |
| | | }, |
| | | domViewer() { |
| | | let ele = (this.container ? this.container : document).getElementById( |
| | | "imageParent" |
| | | ); |
| | | this.viewerCon = new Viewer(ele, { |
| | | inline: false, |
| | | container: this.container |
| | | ? this.container.querySelector("#app") |
| | | : "body", |
| | | navbar: true, // 显示导航栏 |
| | | toolbar: true, // 显示工具栏 |
| | | title: true, // 显示标题 |
| | | }); |
| | | // let ele = (this.container ? this.container : document).getElementById( |
| | | // 'imageParent' |
| | | // ) |
| | | let ele = document.getElementById("imageParent"); |
| | | if (ele) { |
| | | this.viewerCon = new Viewer(ele, { |
| | | inline: false, |
| | | container: this.container |
| | | ? this.container.querySelector("#app") |
| | | : "body", |
| | | navbar: true, // 显示导航栏 |
| | | toolbar: true, // 显示工具栏 |
| | | title: true, // 显示标题 |
| | | }); |
| | | } |
| | | }, |
| | | clearDom() { |
| | | let ele = (this.container ? this.container : document).getElementById( |
| | | "imageParent" |
| | | ); |
| | | ele.innerHtml = ""; |
| | | let ele = document.getElementById("imageParent"); |
| | | if (ele) { |
| | | ele.innerHTML = ""; |
| | | } |
| | | }, |
| | | createDom(page) { |
| | | var that = this; |
| | | let ele = (this.container ? this.container : document).getElementById( |
| | | "imageParent" |
| | | ); |
| | | let ele = document.getElementById("imageParent"); |
| | | const img = document.createElement("img"); |
| | | img.src = this.getPageImage(page); |
| | | // 手动触发滚动事件 |
| | | // ele.dispatchEvent(new Event("scroll")); |
| | | img.alt = ""; |
| | | img.style.maxWidth = "90%"; |
| | | img.style.padding = "30px 5%"; |
| | |
| | | that.viewerCon?.destroy(); |
| | | that.domViewer(); |
| | | }; |
| | | ele.appendChild(img); |
| | | if (ele) { |
| | | ele.appendChild(img); |
| | | } |
| | | }, |
| | | |
| | | scrollBottom() { |
| | | var that = this; |
| | | var ele = (this.container ? this.container : document).getElementById( |
| | | "imageParent" |
| | | ); |
| | | ele.addEventListener("scroll", function () { |
| | | // 计算滚动条距离底部的位置 |
| | | const scrollBottom = |
| | | ele.scrollHeight - ele.scrollTop - ele.clientHeight; |
| | | if (scrollBottom <= 10) { |
| | | that.currentPage++; |
| | | if (that.currentPage <= that.totalPage) { |
| | | that.createDom(that.currentPage, ele); |
| | | const ele = document.getElementById("imageParent"); |
| | | if (ele) { |
| | | let lastScrollTop = 0; |
| | | ele.addEventListener("scroll", () => { |
| | | const scrollTop = ele.scrollTop; |
| | | const scrollBottom = ele.scrollHeight - scrollTop - ele.clientHeight; |
| | | if (scrollBottom < 10 && scrollTop > lastScrollTop) { |
| | | console.log( |
| | | "滚动到底部,当前页:", |
| | | this.currentPage, |
| | | "总页数:", |
| | | this.totalPage |
| | | ); |
| | | if (this.currentPage < this.totalPage) { |
| | | this.currentPage++; |
| | | if (this.currentPage <= this.totalPage) { |
| | | this.createDom(this.currentPage); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | }); |
| | | lastScrollTop = scrollTop; |
| | | }); |
| | | } |
| | | }, |
| | | |
| | | |
| | | getFileInfo() { |
| | | // 获取目录 |
| | | this.loading = true; |
| | | this.MG.file |
| | | .getPdfInfo({ md5: this.preViewMd5 }) |
| | | .then((res) => { |
| | | this.totalPage = res.totalPages; |
| | | this.createDom(this.currentPage); |
| | | try { |
| | | if (typeof res === "string" && res !== null) { |
| | | this.totalPage = JSON.parse(res).totalPages; |
| | | } else if (typeof res === "object" && res !== null) { |
| | | this.totalPage = res.totalPages; |
| | | } |
| | | } catch (error) { |
| | | console.log(error, "pdf返回值类型错误"); |
| | | } |
| | | const maxPages = Math.min(3, this.totalPage); |
| | | for (let i = 0; i < maxPages; i++) { |
| | | this.createDom(i + 1); |
| | | } |
| | | this.loading = false; |
| | | }) |
| | | .catch((err) => { |
| | | this.totalPage = 1; |
| | | this.totalPage = 0; |
| | | this.createDom(this.currentPage); |
| | | console.error(err); |
| | | this.loading = false; |
| | | }); |
| | | }, |
| | | |
| | | getPageImage(page) { |
| | | const ctx = process.env.VUE_APP_API_URL; |
| | | return ( |
| | |
| | | }, |
| | | }; |
| | | </script> |
| | | <style scoped lang="less"> |
| | | .preview { |
| | | width: 100%; |
| | | height: 100%; |
| | | |
| | | .imageBox { |
| | | height: calc(100% - 30px); |
| | | overflow-x: hidden; |
| | | overflow-y: auto; |
| | | background: #ccc; |
| | | box-sizing: border-box; |
| | | } |
| | | |
| | | .imageBox:hover { |
| | | cursor: zoom-in !important; |
| | | } |
| | | |
| | | .bottom_tool { |
| | | height: 30px; |
| | | background-color: rgba(0, 0, 0, 0.8); |
| | | display: flex; |
| | | justify-content: flex-end; |
| | | align-items: center; |
| | | svg { |
| | | margin-right: 10px; |
| | | fill: #999; |
| | | } |
| | | svg:hover { |
| | | fill: #fff; |
| | | cursor: pointer; |
| | | } |
| | | } |
| | | } |
| | | </style> |