From 1695fcd442fe2cefb6d3b63869ad8a72ebd5210a Mon Sep 17 00:00:00 2001
From: zhongshujie <2862698242@qq.com>
Date: 星期五, 04 七月 2025 23:57:18 +0800
Subject: [PATCH] 测试图书 7.4
---
src/components/pdfview/index.vue | 345 ++++++++++++++++++++++++++++++---------------------------
1 files changed, 181 insertions(+), 164 deletions(-)
diff --git a/src/components/pdfview/index.vue b/src/components/pdfview/index.vue
index 04edf5e..845bf08 100644
--- a/src/components/pdfview/index.vue
+++ b/src/components/pdfview/index.vue
@@ -1,16 +1,30 @@
+<!-- @format -->
<template>
- <div class="imgbox">
- <img
- 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: {
@@ -20,186 +34,189 @@
title: {
type: String,
},
+ isClear: {
+ type: Boolean,
+ default: false,
+ },
+ pdfTitle: {
+ type: String,
+ },
},
data() {
return {
+ localDialogVisible: false,
currentPageSrc: "",
- fileLoading: false,
- visible: true,
- close: null,
- currentPage: 1,
+ currentPage: 3,
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();
+ // 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.$nextTick(() => {
+ // this.scrollBottom()
+ // });
+ // } else {
+ // this.viewerCon?.destroy();
+ // }
+ // },
},
methods: {
- initFun() {
- // 鍒濆鍖栨嫋鎷�
- let image = this.refs.image;
- let imageBox = this.refs.imageBox;
- let initLeft = imageBox.offsetWidth / 2 - image.offsetWidth / 2;
- image.style.left = initLeft + "px";
- image.style.top = 0 + "px";
- let canMove = false;
- let offsetX, offsetY, oldLeft, oldTop;
- image.onmousedown = function (e) {
- canMove = true;
- offsetX = e.x;
- offsetY = e.y;
- oldLeft = parseFloat(image.style.left.split("px")[0]);
- oldTop = parseFloat(image.style.top.split("px")[0]);
- };
- imageBox.onmousemove = function (e) {
- if (canMove == true) {
- let left = e.clientX - offsetX;
- let top = e.clientY - offsetY;
- image.style.left = oldLeft + left + "px";
- image.style.top = oldTop + top + "px";
- }
- };
- image.onmouseup = function () {
- canMove = false;
- };
- this.fileLoading = false;
+ hadleOpenDialog() {
+ this.preViewMd5 = this.md5;
+ this.currentPage = 3;
+ this.currentPageSrc = "";
+ this.totalPage = 1;
+ this.viewerCon?.destroy();
+ this.loading = true;
+ this.clearDom();
+ this.getFileInfo();
+ this.$nextTick(() => {
+ this.scrollBottom();
+ });
},
- dragStart(e) {
- if (e && e.preventDefault) {
- e.preventDefault();
- } else {
- window.event.returnValue = false;
+ 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
+ });
}
},
- 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 + "%";
- }
- } else {
- if (this.zoom > 0.5) {
- let newZoom = this.zoom - 0.1;
- this.zoom = newZoom;
- this.refs.image.style.height = newZoom * 100 + "%";
- }
+ 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);
+ }
+ }
+ }
+ lastScrollTop = scrollTop;
+ });
+ }
+ },
+
+
getFileInfo() {
// 鑾峰彇鐩綍
- // 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 = []; // 鐢ㄤ簬妫�绱㈢殑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);
- // }
-
- // 鑾峰彇鎬婚〉鏁�
- this.MG.file
- .getPdfInfo({ md5: this.md5 })
- .then((res) => {
- console.log(res, 79879879879797979);
+ this.loading = true;
+ this.MG.file
+ .getPdfInfo({ md5: this.preViewMd5 })
+ .then((res) => {
+ try {
+ if (typeof res === "string" && res !== null) {
+ this.totalPage = JSON.parse(res).totalPages;
+ } else if (typeof res === "object" && res !== null) {
this.totalPage = res.totalPages;
- this.getPageImage(this.currentPage - 1);
- })
- .catch((err) => {
- console.error(err);
- });
- // })
- // .catch((err) => {
- // console.error(err);
- // });
+ }
+ } catch (error) {
+ console.log(error, "pdf杩斿洖鍊肩被鍨嬮敊璇�");
+ }
+ 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 = 0;
+ this.createDom(this.currentPage);
+ console.error(err);
+ this.loading = false;
+ });
},
+
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 {
- width: 100%;
- height: 100%;
- background-color: aquamarine;
- img {
- width: 100%;
- }
-}
-</style>
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