From 6550db0772ab6f620e0d4de4192092376705d3ae Mon Sep 17 00:00:00 2001 From: yiming <m13691596795@163.com> Date: 星期二, 13 八月 2024 16:50:57 +0800 Subject: [PATCH] 体育与健康pdf修改2 --- src/components/pdfview/index.vue | 215 ++++++++++++++++++++++++++++++++--------------------- 1 files changed, 131 insertions(+), 84 deletions(-) diff --git a/src/components/pdfview/index.vue b/src/components/pdfview/index.vue index fa18ac8..bd95713 100644 --- a/src/components/pdfview/index.vue +++ b/src/components/pdfview/index.vue @@ -1,16 +1,30 @@ <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: { @@ -20,126 +34,159 @@ 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() { - // 鍒濆鍖栨嫋鎷� - 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, // 鏄剧ず瀵艰埅鏍� + toolbar: true, // 鏄剧ず宸ュ叿鏍� + title: true, // 鏄剧ず鏍囬 + }); }, - 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 () { + // 璁$畻婊氬姩鏉¤窛绂诲簳閮ㄧ殑浣嶇疆 + 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() { // 鑾峰彇鐩綍 this.MG.file - .getPdfInfo({ md5: this.md5 }) + .getPdfInfo({ md5: this.preViewMd5 }) .then((res) => { this.totalPage = res.totalPages; - this.getPageImage(this.currentPage); + this.createDom(this.currentPage); }) .catch((err) => { + this.totalPage = 1; + this.createDom(this.currentPage); console.error(err); }); }, getPageImage(page) { const ctx = process.env.VUE_APP_API_URL; - this.fileLoading = true; - this.currentPageSrc = + return ( ctx + "/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> -- Gitblit v1.9.1