From 7d7744fe006714f6be0341d03d4de9b1e90d775d Mon Sep 17 00:00:00 2001 From: zhongshujie <2862698242@qq.com> Date: 星期五, 23 五月 2025 22:45:09 +0800 Subject: [PATCH] 5.23 婴幼儿游戏活动实施(wb) --- src/components/pdfview/index.vue | 294 ++++++++++++++++++++++++++++++++++++---------------------- 1 files changed, 182 insertions(+), 112 deletions(-) diff --git a/src/components/pdfview/index.vue b/src/components/pdfview/index.vue index 72522a5..a712e0f 100644 --- a/src/components/pdfview/index.vue +++ b/src/components/pdfview/index.vue @@ -1,17 +1,38 @@ +<!-- @format --> <template> - <div ref="imageBox" class="imageBox"> - <img - id="image" - ref="image" - @onload="initFun" - @ondragstart="dragStart" - @onwheel="handleScroll" - :src="currentPageSrc" - alt="" - /> - </div> + <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 class="pdfModal" v-if="localDialogVisible"> + <!-- 鍘熸湁鐨勫唴瀹� --> + <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="鏆傛棤鏁版嵁"></el-empty> + </div> + <div class="notBox" v-if="loading" v-loading="loading"></div> + </div> + </div> + </el-dialog> </template> <script> +import Viewer from "viewerjs"; +import "viewerjs/dist/viewer.css"; +import { getResourcePath } from "@/assets/methods/resources"; export default { name: "pdf_view", props: { @@ -21,138 +42,187 @@ title: { type: String, }, + isClear: { + type: Boolean, + default: false, + }, + pdfTitle: { + type: String, + }, }, data() { return { + localDialogVisible: false, 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: "", + loading: false, }; }, watch: { - md5: { - handler(newVal, oldVal) { - if (newVal) { - this.getFileInfo(); - } - }, - }, - }, - created() { - this.getFileInfo(); - }, - mounted(){ - // this.initFun() + // 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.$nextTick(() => { + // this.scrollBottom() + // }); + // } else { + // this.viewerCon?.destroy(); + // } + // }, }, methods: { - initFun() { - // 鍒濆鍖栨嫋鎷� - let image = this.$refs.image; - console.log(this,8989); - if (image) { - let imageBox = this.$refs.imageBox; - let initLeft = imageBox.offsetWidth / 2 - image.offsetWidth / 2; - image.style.left = 0 + "px"; - image.style.top = 0 + "px"; - let canMove = false; - let offsetX, offsetY, oldLeft, oldTop; - image.onmousedown = function (e) { - canMove = true; - offsetX = e.x; - offsetY = e.y; - oldLeft = parseFloat(image.style.left.split("px")[0]); - oldTop = parseFloat(image.style.top.split("px")[0]); - }; - imageBox.onmousemove = function (e) { - if (canMove == true) { - let left = e.clientX - offsetX; - let top = e.clientY - offsetY; - image.style.left = oldLeft + left + "px"; - image.style.top = oldTop + top + "px"; + hadleOpenDialog() { + this.preViewMd5 = this.md5; + this.currentPage = 1; + this.currentPageSrc = ""; + this.totalPage = 1; + this.viewerCon?.destroy(); + this.loading = true; + this.clearDom(); + this.getFileInfo(); + this.$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' + // ) + let ele = document.getElementById("imageParent"); + if (ele) { + 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 + }); + } + }, + clearDom() { + let ele = document.getElementById("imageParent"); + if (ele) { + ele.innerHTML = ""; + } + }, + createDom(page) { + var that = this; + let ele = document.getElementById("imageParent"); + const img = document.createElement("img"); + img.src = this.getPageImage(page); + // 鎵嬪姩瑙﹀彂婊氬姩浜嬩欢 + // ele.dispatchEvent(new Event("scroll")); + img.alt = ""; + img.style.maxWidth = "90%"; + img.style.padding = "30px 5%"; + img.className = "imgHover"; + img.onclick = () => { + that.viewerCon?.destroy(); + that.domViewer(); + }; + if (ele) { + ele.appendChild(img); + } + }, + + scrollBottom() { + 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( + "婊氬姩鍒板簳閮紝褰撳墠椤碉細", + this.currentPage, + "鎬婚〉鏁帮細", + this.totalPage + ); + if (this.currentPage < this.totalPage) { + this.currentPage++; + if (this.currentPage <= this.totalPage) { + this.createDom(this.currentPage, ele); + } } - }; - image.onmouseup = function () { - canMove = false; - }; - this.fileLoading = false; - } - }, - dragStart(e) { - console.log(e,'dragStart') - if (e && e.preventDefault) { - e.preventDefault(); - } else { - window.event.returnValue = false; + } + lastScrollTop = scrollTop; + }); } }, - handleScroll(e) { - console.log(e,'handleScroll') - if (e.nativeEvent.deltaY <= 0) { - if (this.zoom < 3) { - let newZoom = this.zoom + 0.1; - this.zoom = newZoom; - this.$refs.image.style.height = newZoom * 100 + "%"; - } - } else { - if (this.zoom > 0.5) { - let newZoom = this.zoom - 0.1; - this.zoom = newZoom; - this.$refs.image.style.height = newZoom * 100 + "%"; - } - } - }, + getFileInfo() { // 鑾峰彇鐩綍 + this.loading = true; this.MG.file - .getPdfInfo({ md5: this.md5 }) + .getPdfInfo({ md5: this.preViewMd5 }) .then((res) => { - this.totalPage = res.totalPages; - this.getPageImage(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杩斿洖鍊肩被鍨嬮敊璇�"); + } + Math.min(3, res.totalPages); + for (let i = 0; i <= Math.min(3, res.totalPages); i++) { + this.createDom(i + 1); + } + this.loading = false; }) .catch((err) => { + this.totalPage = 0; + this.createDom(this.currentPage); console.error(err); + this.loading = false; }); }, 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"> -.imageBox { - width: 100%; - height: 300px; - overflow: auto; - position: relative; - img { - position: absolute; - width: auto; - height: 100%; - transition: transform 0.5s, width 0.3s, height 0.3s; - } -} -</style> -- Gitblit v1.9.1