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<!-- 模板代码 --!>
<div class="pdfPreview">
<el-dialog
:close-on-click-modal="false"
:visible.sync="dialogVisible"
:fullscreen="true"
:before-close="handleClose"
title="合同预览">
<div class="agreement_picture">
<div class="tools">
<el-button @click="prePage" class="mr10"> 上一页</el-button>
<el-button @click="nextPage" class="mr10"> 下一页</el-button>
<span class="page">{{pageNum}}/{{pageTotalNum}} </span>
<el-button @click="handleClose" class="mr10 fl-r btn-cancel"> 取消</el-button>
<el-button @click="downPDF" class="mr10 dowmBtn"> 下载</el-button>
</div>
<pdf ref="pdf"
:src="src"
:page="pageNum"
@page-loaded="pageLoaded($event)"
@num-pages="pageTotalNum=$event"
@error="pdfError($event)"
@link-clicked="page = $event">
</pdf>
</div>
</el-dialog>
import pdf from 'vue-pdf';
export default {
name: 'PdfPreview',
components: {
pdf
},
props: {
dialogVisible: {
type: Boolean,
default: false
}
},
data() {
return {
url: "http://storage.xuetangx.com/public_assets/xuetangx/PDF/PlayerAPI_v1.0.6.pdf", // pdf 地址(网上的pdf例子地址,此地址就是后端返回的真正需要预览的pdf地址)
src: '', // 预览地址
pageNum: 1, // 当前页码
pageTotalNum: 1, // 总页数
};
},
mounted () {
// 有时PDF文件地址会出现跨域的情况,这里最好处理一下
var url = this.url
this.src = pdf.createLoadingTask(url);
},
methods: {
// 上一页函数,
prePage() {
var page = this.pageNum
page = page > 1 ? page - 1 : this.pageTotalNum
this.pageNum = page
},
// 下一页函数
nextPage() {
var page = this.pageNum
page = page < this.pageTotalNum ? page + 1 : 1
this.pageNum = page
},
// 页面加载回调函数,其中e为当前页数
pageLoaded(e) {
this.curPageNum = e
},
// 抛出错误的回调函数。
pdfError(error) {
console.error(error)
},
downPDF() { // 下载 pdf
var url = this.url
var tempLink = document.createElement("a");
tempLink.style.display = "none";
tempLink.href = url;
tempLink.setAttribute("download", 'XXX.pdf');
if (typeof tempLink.download === "undefined") {
tempLink.setAttribute("target", "_blank");
}
document.body.appendChild(tempLink);
tempLink.click();
document.body.removeChild(tempLink);
this.handleClose();
},
handleClose() {
this.$emit('update:dialogVisible', false);
}
}
};
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