上传

<template><div><el-uploadref="upload":limit="CountNum":on-remove="handleRemove":on-error="onError":file-list="urlArr":on-success="handleAvatarSuccess":before-upload="beforeAvatarUpload":action="url":on-preview="tabPreview"class="upload-demo"style="width: 450px"><el-button slot="trigger" size="small" type="primary">上传附件</el-button><div slot="tip" class="el-upload__tip">支持上传 {{ strRebuild(fileType) }} 格式，且不超过 {{ fileSize }}M</div></el-upload><FilePreview ref="filePreview"> </FilePreview></div>
</template>
<script>
import { strRebuild, lastSubstring } from "@/utils/strUtil";
import { message } from "@/utils/message";
import FilePreview from "@/components/filePreview/index.vue";
export default {props: {urlArr: {type: Array,default: [],},CountNum: {type: Number,default: 1,},},components: {FilePreview,},data() {return {// 附件列表fileList: [],// 允许的文件类型fileType: ["xls","xlsx","pdf","doc","docx",// "mp4","jpg","png","jpeg",],// 运行上传文件大小，单位 MfileSize: 10,};},created() {this.url = this.uploadURL;},methods: {// 清空表单clear() {// 清空附件this.$refs.upload.clearFiles();},beforeAvatarUpload(file) {console.log(file);var flag = true;var tip = "";//   var files = this.$refs.upload.uploadFiles;// 文件过大if (file.size > this.fileSize * 1024 * 1024) {flag = false;tip = " 文件超过" + this.fileSize + "M";}//   console.log(this.fileType.includes(lastSubstring(file.name, ".")));// 文件类型不属于可上传的类型if (!this.fileType.includes(lastSubstring(file.name, "."))) {flag = false;tip = " 文件类型不可上传";}if (!flag) {message("error", tip);}return flag;},handleAvatarSuccess(res, file) {//   console.log(this.urlArr);if (res.code === 0) {let arr = this.urlArr;console.log(res.data);console.log(this.urlArr);arr.push({name: res.data,url: this.showURL + res.data,});this.$notify.success({title: "成功",message: "上传成功",});this.$emit("imgUrl", arr);} else {//   this.imageUrl = "";}},// 附件检查// 检查附件是否属于可上传类型// 检查附件是否超过限制大小checkFile() {var flag = true;var tip = "";var files = this.$refs.upload.uploadFiles;files.forEach((item) => {// 文件过大if (item.size > this.fileSize * 1024 * 1024) {flag = false;tip = " 文件超过" + this.fileSize + "M";}console.log(this.fileType.includes(lastSubstring(item.name, ".")));// 文件类型不属于可上传的类型if (!this.fileType.includes(lastSubstring(item.name, "."))) {flag = false;tip = " 文件类型不可上传";}});if (!flag) {message("error", tip);}return flag;},// 提交附件submitUpload() {if (this.checkFile()) {console.log("上传附件...");this.$refs.upload.submit();} else {console.log("取消上传");}},// 点击已上传文件tabPreview(file) {console.log(file);//  下载// if (file.name.indexOf("txt") == "-1") {//   console.log("d");//   const link = document.createElement("a");//   document.body.appendChild(link);//   link.style.display = "none";//   link.setAttribute(//     "href",//     file.url + "?response-content-type=application/octet-stream"//   ); //设置下载文件的url地址//   link.target = "_blank";//   document.body.appendChild(link);//   link.click();//   document.body.removeChild(link);// } else {//   let element = document.createElement("a");//   element.setAttribute(//     "href",//     "data:text/plain;charset=utf-8," + file.url//   );//   element.setAttribute("download", file.name);//   element.style.display = "none";//   element.click();// }// 预览this.$refs.filePreview.previewPdf(file);},// 自定义文件上传方法uploadFile(file) {// 把文件放入 FormData 进行提交//   const param = new FormData();//   param.append("files", file.file);//   uploadFile(param).then((response) => {//     // TODO 一些关闭弹框，上传成功提示等//   });},// 移除附件handleRemove(file, fileList) {console.log("移除附件...", file, fileList);let url = file.name;let index = this.urlArr.findIndex((v) => {return url === v.name;});this.urlArr.splice(index, 1);this.$emit("imgUrl", this.urlArr);},// 附件上传失败，打印下失败原因onError(err) {message("error", "附件上传失败");console.log(err);},// 字符串重组strRebuild(str) {return strRebuild(str);},},
};
</script>
<style lang="scss" scoped>
</style>

预览

<template><div><el-button @click="previewPdf()" type="text" size="small"><div class="images" v-viewer="{ navbar: false }"><imgv-for="(src, index) in images"style="width: 100%":src="src":key="src"hidden/><!-- 预览 --></div></el-button><el-dialog:visible="showDoc == true || showPdf == true || showVideo == true":show-close="true":width="'80%'"top="5vh"class="dialog-div-pre-style":before-close="closePreviewClick"center><div v-if="showDoc == true" class="dialog-body-content-base-style"><iframeframeborder="0":src="'https://view.officeapps.live.com/op/view.aspx?src=' + this.fileUrl"width="100%"style="min-height: 800px; height: 100%"></iframe></div><divv-else-if="showPdf == true"class="dialog-body-content-base-style"style="justify-content: center; align-items: center"><embed:src="pdfUrl"style="width: 100%; min-height: 800px; height: 100%"/></div><divv-else-if="showVideo == true"class="dialog-body-content-base-style"style="justify-content: center; align-items: center"><video-playerclass="video-player vjs-custom-skin"ref="positiveVideoPlayer":playsinline="true":options="positivePlayerOptions"></video-player></div></el-dialog></div>
</template>
<script>
export default {data() {return {showDoc: false,showPdf: false,showVideo: false,fileUrl: "",images: [],currentPage: 0, // pdf文件页码pageCount: 0, // pdf文件总页数pdfUrl: "",scale: 1.0,/***播放器配置*/positivePlayerOptions: {playbackRates: [0.5, 1.0, 1.5, 2.0], //播放速度autoplay: false, //如果true,浏览器准备好时开始回放。muted: false, // 默认情况下将会消除任何音频。loop: false, // 导致视频一结束就重新开始。preload: "auto", // 建议浏览器在<video>加载元素后是否应该开始下载视频数据。auto浏览器选择最佳行为,立即开始加载视频（如果浏览器支持）language: "zh-CN",aspectRatio: "16:9", // 将播放器置于流畅模式，并在计算播放器的动态大小时使用该值。值应该代表一个比例 - 用冒号分隔的两个数字（例如"16:9"或"4:3"）fluid: true, // 当true时，Video.js player将拥有流体大小。换句话说，它将按比例缩放以适应其容器。sources: [{type: "",src: "", //视频url地址},],poster: "", //你的封面地址// width: document.documentElement.clientWidth,notSupportedMessage: "此视频暂无法播放，请稍后再试", //允许覆盖Video.js无法播放媒体源时显示的默认信息。controlBar: {timeDivider: true,durationDisplay: true,remainingTimeDisplay: false,fullscreenToggle: true, //全屏按钮},common: "positivePlayer",},};},methods: {/*** pdf预览*/previewPdf(row) {//   console.log(row);//   let row = {//     name: "/2022/02/10/1644470876079565.jpg",//     url: "http://nongmuren.oss-cn-qingdao.aliyuncs.com/zgt/2022/02/10/1644470876079565.jpg",//   };let type = this.iconByType(row);this.fileUrl = row.url;if (type.indexOf("doc") != -1 ||type.indexOf("docx") != -1 ||type.indexOf("xsl") != -1 ||type.indexOf("xslx") != -1) {this.showDoc = true;} else if (type.indexOf("pdf") != -1) {this.pdfUrl = row.url;//   "http://nongmuren.oss-cn-qingdao.aliyuncs.com/zgt/2022/02/10/1644460353721288.pdf";this.showPdf = true;} else if (type.indexOf("jpg") != -1 ||type.indexOf("png") != -1 ||type.indexOf("jpeg") != -1) {this.images = [row.url];const viewer = this.$el.querySelector(".images").$viewer;viewer.show();} else if (type.indexOf("avi") != -1 ||type.indexOf("mp4") != -1 ||type.indexOf("webm") != -1 ||type.indexOf("m4v") != -1 ||type.indexOf("rmvb") != -1 ||type.indexOf("mpg") != -1 ||type.indexOf("3gp") != -1 ||type.indexOf("swf") != -1 ||type.indexOf("mkv") != -1) {this.positivePlayerOptions.sources[0].src = row.url;this.positivePlayerOptions.sources[0].type = "video/mp4";this.showVideo = true;} else {this.$message("当前文件暂不支持预览");}// this.showPdf = true},/*** 通过文件后缀返回文件的图标*/iconByType(row) {return row.name.substring(row.name.lastIndexOf(".") + 1, row.name.length);},closePreviewClick() {if (this.showDoc == true) {this.showDoc = false;} else if (this.showPdf == true) {this.showPdf = false;} else if (this.showVideo == true) {this.showVideo = false;}},},
};
</script>