| | |
| | | <template> |
| | | <div class="imgbox"> |
| | | <img |
| | | ref="image" |
| | | :onLoad="initFun" |
| | | :onDragStart="dragStart" |
| | | :onWheel="handleScroll" |
| | | :src="currentPageSrc" |
| | | alt="" |
| | | /> |
| | | <div class="preview" v-if="this.preViewMd5"> |
| | | <div id="imageParent" class="imageBox"></div> |
| | | <div class="bottom_tool"> |
| | | <!-- <svg |
| | | t="1718330411310" |
| | | @click="downloadPdf" |
| | | class="icon" |
| | | viewBox="0 0 1024 1024" |
| | | version="1.1" |
| | | xmlns="http://www.w3.org/2000/svg" |
| | | p-id="7121" |
| | | width="20" |
| | | height="20" |
| | | > |
| | | <path |
| | | d="M1022.955204 522.570753c0 100.19191-81.516572 181.698249-181.718715 181.698249l-185.637977 0c-11.2973 0-20.466124-9.168824-20.466124-20.466124 0-11.307533 9.168824-20.466124 20.466124-20.466124l185.637977 0c77.628008 0 140.786467-63.148226 140.786467-140.766001 0-77.423347-62.841234-140.448776-140.203182-140.766001-0.419556 0.030699-0.818645 0.051165-1.217734 0.061398-5.945409 0.143263-11.686157-2.292206-15.687284-6.702656-4.001127-4.400217-5.894244-10.335393-5.167696-16.250102 1.330298-10.806113 1.944282-19.760043 1.944282-28.192086 0-60.763922-23.658839-117.884874-66.617234-160.833035-42.968627-42.968627-100.089579-66.617234-160.843268-66.617234-47.368844 0-92.742241 14.449084-131.208321 41.781592-37.616736 26.738991-65.952084 63.700811-81.925894 106.884332-2.425236 6.538927-8.012488 11.399631-14.827707 12.893658-6.815219 1.483794-13.927197-0.603751-18.859533-5.54632-19.289322-19.330254-44.943608-29.972639-72.245418-29.972639-56.322773 0-102.146425 45.813419-102.146425 102.125959 0 0.317225 0.040932 0.982374 0.092098 1.627057 0.061398 0.920976 0.122797 1.831718 0.153496 2.762927 0.337691 9.465582-5.863545 17.928325-15.001669 20.455891-32.356942 8.933463-61.541635 28.550243-82.181721 55.217602-21.305235 27.516704-32.571836 60.508096-32.571836 95.41307 0 86.244246 70.188572 156.422585 156.443052 156.422585l169.981393 0c11.2973 0 20.466124 9.15859 20.466124 20.466124 0 11.2973-9.168824 20.466124-20.466124 20.466124l-169.981393 0c-108.828614 0-197.3753-88.536452-197.3753-197.354833 0-44.053332 14.223956-85.712127 41.126676-120.473839 22.809495-29.460985 53.897537-52.086285 88.710414-64.816215 5.065366-74.322729 67.149353-133.2447 142.751215-133.2447 28.386514 0 55.504128 8.217149 78.651314 23.52581 19.657712-39.868009 48.842405-74.169233 85.497233-100.212376 45.434795-32.295544 99.004875-49.354058 154.918325-49.354058 71.692832 0 139.087778 27.915793 189.782368 78.600149 50.694589 50.694589 78.610382 118.089535 78.610382 189.782368 0 3.704368-0.102331 7.470135-0.296759 11.368932C952.633602 352.568894 1022.955204 429.511287 1022.955204 522.570753zM629.258611 820.711014l-102.023628 102.013395c-3.990894 4.001127-9.230222 5.996574-14.46955 5.996574s-10.478655-1.995447-14.46955-5.996574l-102.023628-102.013395c-7.992021-7.992021-7.992021-20.947078 0-28.939099s20.947078-8.002254 28.939099 0l67.087954 67.077721 0-358.699522c0-11.2973 9.15859-20.466124 20.466124-20.466124 11.307533 0 20.466124 9.168824 20.466124 20.466124l0 358.699522 67.087954-67.077721c7.992021-8.002254 20.947078-7.992021 28.939099 0S637.250632 812.718993 629.258611 820.711014z" |
| | | p-id="7122" |
| | | ></path> |
| | | </svg> --> |
| | | </div> |
| | | </div> |
| | | </template> |
| | | <script> |
| | | import Viewer from "viewerjs"; |
| | | import "viewerjs/dist/viewer.css"; |
| | | import { getResourcePath } from "@/assets/methods/resources"; |
| | | export default { |
| | | name: "pdf_view", |
| | | props: { |
| | |
| | | title: { |
| | | type: String, |
| | | }, |
| | | isClear: { |
| | | type: Boolean, |
| | | default: false, |
| | | }, |
| | | }, |
| | | data() { |
| | | return { |
| | | currentPageSrc: "", |
| | | fileLoading: false, |
| | | visible: true, |
| | | close: null, |
| | | currentPage: 1, |
| | | totalPage: 1, |
| | | rcViewerOptions: { |
| | | // inline: true |
| | | }, |
| | | zoom: 1, |
| | | catalogVisible: false, |
| | | tocData: [], |
| | | generateList: [], |
| | | expandedKeys: [], |
| | | searchValue: "", |
| | | autoExpandParent: true, |
| | | drawerSize: "default", |
| | | viewerCon: null, |
| | | preViewMd5: "", |
| | | }; |
| | | }, |
| | | watch: { |
| | | isClear: { |
| | | immediate: true, |
| | | handler(val) { |
| | | if (val == true) this.preViewMd5 = ""; |
| | | }, |
| | | }, |
| | | md5: { |
| | | handler(newVal, oldVal) { |
| | | if (newVal) { |
| | | this.getFileInfo(); |
| | | immediate: true, |
| | | handler(val) { |
| | | if (val) { |
| | | this.preViewMd5 = val; |
| | | this.currentPage = 1; |
| | | this.currentPageSrc = ""; |
| | | this.totalPage = 1; |
| | | this.viewerCon?.destroy(); |
| | | } |
| | | }, |
| | | }, |
| | | }, |
| | | created(){ |
| | | mounted() { |
| | | this.scrollBottom(); |
| | | this.clearDom(); |
| | | this.getFileInfo(); |
| | | }, |
| | | methods: { |
| | | initFun() { |
| | | // 初始化拖拽 |
| | | let image = this.refs.image; |
| | | let imageBox = this.refs.imageBox; |
| | | let initLeft = imageBox.offsetWidth / 2 - image.offsetWidth / 2; |
| | | image.style.left = initLeft + "px"; |
| | | image.style.top = 0 + "px"; |
| | | let canMove = false; |
| | | let offsetX, offsetY, oldLeft, oldTop; |
| | | image.onmousedown = function (e) { |
| | | canMove = true; |
| | | offsetX = e.x; |
| | | offsetY = e.y; |
| | | oldLeft = parseFloat(image.style.left.split("px")[0]); |
| | | oldTop = parseFloat(image.style.top.split("px")[0]); |
| | | }; |
| | | imageBox.onmousemove = function (e) { |
| | | if (canMove == true) { |
| | | let left = e.clientX - offsetX; |
| | | let top = e.clientY - offsetY; |
| | | image.style.left = oldLeft + left + "px"; |
| | | image.style.top = oldTop + top + "px"; |
| | | } |
| | | }; |
| | | image.onmouseup = function () { |
| | | canMove = false; |
| | | }; |
| | | this.fileLoading = false; |
| | | async downloadPdf() { |
| | | window.open(await getResourcePath(this.preViewMd5)); |
| | | }, |
| | | dragStart(e) { |
| | | if (e && e.preventDefault) { |
| | | e.preventDefault(); |
| | | } else { |
| | | window.event.returnValue = false; |
| | | } |
| | | domViewer() { |
| | | let ele = 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 |
| | | }); |
| | | }, |
| | | handleScroll(e) { |
| | | if (e.nativeEvent.deltaY <= 0) { |
| | | if (this.zoom < 3) { |
| | | let newZoom = this.zoom + 0.1; |
| | | this.zoom = newZoom; |
| | | this.refs.image.style.height = newZoom * 100 + "%"; |
| | | clearDom() { |
| | | let ele = document.getElementById("imageParent"); |
| | | ele.innerHtml = ""; |
| | | }, |
| | | createDom(page) { |
| | | var that = this; |
| | | let ele = document.getElementById("imageParent"); |
| | | const img = document.createElement("img"); |
| | | img.src = this.getPageImage(page); |
| | | img.alt = ""; |
| | | img.style.maxWidth = "90%"; |
| | | img.style.padding = "30px 5%"; |
| | | img.className = "imgHover"; |
| | | img.onclick = () => { |
| | | that.viewerCon?.destroy(); |
| | | that.domViewer(); |
| | | }; |
| | | ele.appendChild(img); |
| | | }, |
| | | scrollBottom() { |
| | | var that = this; |
| | | var ele = 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); |
| | | } |
| | | } |
| | | } else { |
| | | if (this.zoom > 0.5) { |
| | | let newZoom = this.zoom - 0.1; |
| | | this.zoom = newZoom; |
| | | this.refs.image.style.height = newZoom * 100 + "%"; |
| | | } |
| | | } |
| | | }); |
| | | }, |
| | | getFileInfo() { |
| | | // 获取目录 |
| | | // this.MG.file |
| | | // .GetPdfToc({ md5: this.md5 }) |
| | | // .then((tocRes) => { |
| | | // console.log(tocRes, "3232---3232----32"); |
| | | // if (tocRes && tocRes.length && tocRes[0]) { |
| | | // let tocDataList = []; |
| | | // for (let i = 0; i < tocRes.length; i++) { |
| | | // const tacItem = tocRes[i]; |
| | | // if (tacItem) { |
| | | // let itemInfo = tacItem.split(" "); |
| | | // let obj = { |
| | | // page: itemInfo[0], |
| | | // level: itemInfo[1], |
| | | // title: itemInfo[2] + " ( " + itemInfo[0] + " )", |
| | | // children: [], |
| | | // }; |
| | | // tocDataList.push(obj); |
| | | // } |
| | | // } |
| | | // let cLevel = 0; |
| | | // let tocData = []; |
| | | // let generateList = []; // 用于检索的Data |
| | | // let memorySrc = null; |
| | | // for (let j = 0; j < tocDataList.length; j++) { |
| | | // const tocItem = tocDataList[j]; |
| | | // if (tocItem.level == 0) { |
| | | // tocItem.key = tocData.length; |
| | | // tocData.push(tocItem); |
| | | // generateList.push(tocItem); |
| | | // cLevel = 0; |
| | | // } else if (tocItem.level == cLevel) { |
| | | // tocItem.key = memorySrc.key + "-" + memorySrc.children.length; |
| | | // memorySrc.children.push(tocItem); |
| | | // generateList.push(tocItem); |
| | | // } else if (tocItem.level > cLevel) { |
| | | // memorySrc = this.handleDocData(tocData, cLevel); |
| | | // tocItem.key = memorySrc.key + "-" + memorySrc.children.length; |
| | | // memorySrc.children.push(tocItem); |
| | | // generateList.push(tocItem); |
| | | // cLevel = tocItem.level; |
| | | // } else if (tocItem.level < cLevel) { |
| | | // memorySrc = this.handleDocData(tocData, tocItem.level - 1); |
| | | // tocItem.key = memorySrc.key + "-" + memorySrc.children.length; |
| | | // memorySrc.children.push(tocItem); |
| | | // generateList.push(tocItem); |
| | | // cLevel = tocItem.level; |
| | | // } |
| | | // } |
| | | // this.tocData = tocData; |
| | | // this.generateList = generateList; |
| | | // console.log(tocData, generateList, 1221212121211); |
| | | // } |
| | | |
| | | // 获取总页数 |
| | | this.MG.file |
| | | .getPdfInfo({ md5: this.md5 }) |
| | | .then((res) => { |
| | | console.log(res, 79879879879797979); |
| | | this.totalPage = res.totalPages; |
| | | this.getPageImage(this.currentPage - 1); |
| | | }) |
| | | .catch((err) => { |
| | | console.error(err); |
| | | }); |
| | | // }) |
| | | // .catch((err) => { |
| | | // console.error(err); |
| | | // }); |
| | | this.MG.file |
| | | .getPdfInfo({ md5: this.preViewMd5 }) |
| | | .then((res) => { |
| | | this.totalPage = res.totalPages; |
| | | this.createDom(this.currentPage); |
| | | }) |
| | | .catch((err) => { |
| | | this.totalPage = 1; |
| | | this.createDom(this.currentPage); |
| | | console.error(err); |
| | | }); |
| | | }, |
| | | getPageImage(page) { |
| | | console.log(page, "page"); |
| | | const ctx = process.env.VUE_APP_API_URL; |
| | | this.fileLoading = true; |
| | | this.currentPageSrc = |
| | | return ( |
| | | ctx + |
| | | "/file/Preview/GetPageImage" + |
| | | "/file/GetPdfPageImage" + |
| | | "?md5=" + |
| | | this.md5 + |
| | | this.preViewMd5 + |
| | | "&index=" + |
| | | page + |
| | | "&dpi=150"; |
| | | "&dpi=200" |
| | | ); |
| | | }, |
| | | }, |
| | | }; |
| | | </script> |
| | | <style scoped lang="less"> |
| | | .imgbox { |
| | | .preview { |
| | | width: 100%; |
| | | height: 100%; |
| | | background-color: aquamarine; |
| | | img { |
| | | width: 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: 15px; |
| | | fill: #d1d1d1; |
| | | } |
| | | svg:hover { |
| | | fill: #fff; |
| | | cursor: pointer; |
| | | } |
| | | } |
| | | } |
| | | </style> |