| | |
| | | <template> |
| | | <div class="imgbox"> |
| | | <div ref="imageBox" class="imageBox"> |
| | | <img |
| | | id="image" |
| | | ref="image" |
| | | :onLoad="initFun" |
| | | :onDragStart="dragStart" |
| | | :onWheel="handleScroll" |
| | | @onload="initFun" |
| | | @ondragstart="dragStart" |
| | | @onwheel="handleScroll" |
| | | :src="currentPageSrc" |
| | | alt="" |
| | | /> |
| | |
| | | }, |
| | | }, |
| | | }, |
| | | created(){ |
| | | created() { |
| | | this.getFileInfo(); |
| | | }, |
| | | mounted(){ |
| | | // this.initFun() |
| | | }, |
| | | 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"; |
| | | // 初始化拖拽 |
| | | 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"; |
| | | } |
| | | }; |
| | | image.onmouseup = function () { |
| | | canMove = false; |
| | | }; |
| | | this.fileLoading = false; |
| | | } |
| | | }; |
| | | image.onmouseup = function () { |
| | | canMove = false; |
| | | }; |
| | | this.fileLoading = false; |
| | | }, |
| | | dragStart(e) { |
| | | console.log(e,'dragStart') |
| | | if (e && e.preventDefault) { |
| | | e.preventDefault(); |
| | | } else { |
| | |
| | | } |
| | | }, |
| | | 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 + "%"; |
| | | this.$refs.image.style.height = newZoom * 100 + "%"; |
| | | } |
| | | } else { |
| | | if (this.zoom > 0.5) { |
| | | let newZoom = this.zoom - 0.1; |
| | | this.zoom = newZoom; |
| | | this.refs.image.style.height = newZoom * 100 + "%"; |
| | | this.$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.md5 }) |
| | | .then((res) => { |
| | | this.totalPage = res.totalPages; |
| | | this.getPageImage(this.currentPage); |
| | | }) |
| | | .catch((err) => { |
| | | console.error(err); |
| | | }); |
| | | }, |
| | | getPageImage(page) { |
| | | console.log(page, "page"); |
| | | const ctx = process.env.VUE_APP_API_URL; |
| | | this.fileLoading = true; |
| | | this.currentPageSrc = |
| | | ctx + |
| | | "/file/Preview/GetPageImage" + |
| | | "/file/GetPdfPageImage" + |
| | | "?md5=" + |
| | | this.md5 + |
| | | "&index=" + |
| | |
| | | }; |
| | | </script> |
| | | <style scoped lang="less"> |
| | | .imgbox { |
| | | .imageBox { |
| | | width: 100%; |
| | | height: 100%; |
| | | background-color: aquamarine; |
| | | height: 300px; |
| | | overflow: auto; |
| | | position: relative; |
| | | img { |
| | | width: 100%; |
| | | position: absolute; |
| | | width: auto; |
| | | height: 100%; |
| | | transition: transform 0.5s, width 0.3s, height 0.3s; |
| | | } |
| | | } |
| | | </style> |