<template>
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<div class="upload-file">
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<el-upload
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multiple
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:action="uploadFileUrl"
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:before-upload="handleBeforeUpload"
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:file-list="fileList"
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:data="data"
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:limit="limit"
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:on-error="handleUploadError"
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:on-exceed="handleExceed"
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:on-success="handleUploadSuccess"
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:show-file-list="false"
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:headers="headers"
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:http-request="UploadImage"
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class="upload-file-uploader"
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ref="fileUpload"
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v-if="!disabled"
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>
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<!-- 上传按钮 -->
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<el-button type="primary">选取文件</el-button>
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</el-upload>
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<!-- 上传提示 -->
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<div class="el-upload__tip" v-if="showTip && !disabled">
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请上传
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<template v-if="fileSize">
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大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b>
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</template>
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<template v-if="fileType">
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格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b>
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</template>
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的文件
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</div>
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<!-- 文件列表 -->
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<transition-group
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ref="uploadFileList"
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class="upload-file-list el-upload-list el-upload-list--text"
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name="el-fade-in-linear"
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tag="ul"
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>
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<li
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:key="file.uid"
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class="el-upload-list__item ele-upload-list__item-content"
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v-for="(file, index) in fileList"
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>
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<el-link :href="`${file.url}`" :underline="false" target="_blank">
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<span class="el-icon-document"> {{ file.bucketFilename }} </span>
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</el-link>
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<div class="ele-upload-list__item-content-action">
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<el-link
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:underline="false"
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@click="handleDownload(index)"
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type="primary"
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v-if="!disabled"
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> 下载</el-link
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>
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<el-link
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:underline="false"
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@click="handleDelete(index)"
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type="danger"
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v-if="!disabled"
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> 删除</el-link
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>
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</div>
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</li>
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</transition-group>
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</div>
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</template>
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<script setup>
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import { getToken } from "@/utils/auth";
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import Sortable from "sortablejs";
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import axios from "axios";
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const props = defineProps({
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modelValue: [String, Object, Array],
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// 上传接口地址
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action: {
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type: String,
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default: "/common/minioUploads",
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},
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// 上传携带的参数
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data: {
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type: Object,
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},
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// 数量限制
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limit: {
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type: Number,
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default: 5,
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},
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// 大小限制(MB)
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fileSize: {
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type: Number,
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default: 5,
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},
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// 文件类型, 例如['png', 'jpg', 'jpeg']
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fileType: {
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type: Array,
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default: () => ["doc", "docx", "xls", "xlsx", "ppt", "pptx", "txt", "pdf"],
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},
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// 是否显示提示
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isShowTip: {
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type: Boolean,
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default: true,
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},
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// 禁用组件（仅查看文件）
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disabled: {
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type: Boolean,
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default: false,
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},
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// 拖动排序
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drag: {
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type: Boolean,
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default: true,
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},
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});
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const { proxy } = getCurrentInstance();
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const emit = defineEmits();
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const number = ref(0);
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const uploadList = ref([]);
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const baseUrl = import.meta.env.VITE_APP_BASE_API;
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const uploadFileUrl = ref(import.meta.env.VITE_APP_BASE_API + props.action); // 上传文件服务器地址
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const headers = ref({ Authorization: "Bearer " + getToken() });
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const fileList = ref([]);
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const showTip = computed(
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() => props.isShowTip && (props.fileType || props.fileSize)
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);
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const init = () =>{
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fileList.value = [];
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uploadList.value = [];
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number.value = 0;
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}
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const editInit = (val) => {
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console.log("editInit", val);
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};
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defineExpose({
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init,
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editInit
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});
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watch(
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() => props.modelValue,
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(val) => {
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if (val) {
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let temp = 1;
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// 首先将值转为数组
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const list = Array.isArray(val) ? val : props.modelValue.split(",");
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// 然后将数组转为对象数组
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fileList.value = list.map((item) => {
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if (typeof item === "string") {
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item = { name: item, url: item };
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}
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item.uid = item.uid || new Date().getTime() + temp++;
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return item;
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});
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} else {
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fileList.value = [];
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return [];
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}
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},
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{ deep: true, immediate: true }
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);
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const UploadImage = (param) => {
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const formData = new FormData();
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formData.append("files", param.file);
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axios
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.post(uploadFileUrl.value, formData, {
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headers: {
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"Content-Type": "multipart/form-data",
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...headers.value,
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},
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onUploadProgress: (progressEvent) => {
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// 进度条更新
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const percent = Math.round(
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(progressEvent.loaded * 100) / progressEvent.total
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);
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param.onProgress({ percent });
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},
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})
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.then((response) => {
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if (response.data.code === 200) {
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handleUploadSuccess(response.data, param.file);
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// 更新父组件
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emit("update:modelValue", fileList.value);
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} else {
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param.onError(new Error(response.data.msg));
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}
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})
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.catch((error) => {
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param.onError(error);
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});
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};
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// 下载文件
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function handleDownload(index) {
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const url = fileList.value[index].downloadUrl;
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if (!url) {
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proxy.$modal.msgError("文件链接不存在，无法下载");
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return;
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}
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// 读取预览图片的数据
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const link = document.createElement("a");
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link.href = url; // 链接地址
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link.download = fileList.value[index].bucketFilename; // 设置下载文件名
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link.click();
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}
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// 上传前校检格式和大小
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function handleBeforeUpload(file) {
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// 校检文件类型
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// if (props.fileType.length) {
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// const fileName = file.name.split('.')
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// const fileExt = fileName[fileName.length - 1]
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// const isTypeOk = props.fileType.indexOf(fileExt) >= 0
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// if (!isTypeOk) {
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// proxy.$modal.msgError(`文件格式不正确，请上传${props.fileType.join("/")}格式文件!`)
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// return false
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// }
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// }
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// 校检文件名是否包含特殊字符
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if (file.name.includes(",")) {
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proxy.$modal.msgError("文件名不正确，不能包含英文逗号!");
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return false;
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}
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// 校检文件大小
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if (props.fileSize) {
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const isLt = file.size / 1024 / 1024 < props.fileSize;
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if (!isLt) {
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proxy.$modal.msgError(`上传文件大小不能超过 ${props.fileSize} MB!`);
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return false;
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}
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}
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proxy.$modal.loading("正在上传文件，请稍候...");
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number.value++;
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return true;
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}
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// 文件个数超出
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function handleExceed() {
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proxy.$modal.msgError(`上传文件数量不能超过 ${props.limit} 个!`);
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}
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// 上传失败
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function handleUploadError(err) {
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proxy.$modal.msgError("上传文件失败");
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proxy.$modal.closeLoading();
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}
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// 上传成功回调
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function handleUploadSuccess(res, file) {
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if (res.code === 200) {
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console.log("上传成功", res);
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uploadList.value.push(res.data[0])
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uploadedSuccessfully();
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// proxy.$modal.msgSuccess("文件上传成功");
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} else {
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number.value--;
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proxy.$modal.closeLoading();
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proxy.$modal.msgError(res.msg);
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proxy.$refs.fileUpload.handleRemove(file);
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uploadedSuccessfully();
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}
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}
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// 删除文件
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function handleDelete(index) {
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fileList.value.splice(index, 1);
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emit("update:modelValue", listToString(fileList.value));
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}
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// 上传结束处理
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function uploadedSuccessfully() {
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if (number.value > 0 && uploadList.value.length === number.value) {
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fileList.value = fileList.value
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.filter((f) => f.url !== undefined)
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.concat(uploadList.value);
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uploadList.value = [];
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number.value = 0;
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emit("update:modelValue");
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proxy.$modal.closeLoading();
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}
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}
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// 获取文件名称
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function getFileName(name) {
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// 如果是url那么取最后的名字 如果不是直接返回
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if (name.lastIndexOf("/") > -1) {
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return name.slice(name.lastIndexOf("/") + 1);
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} else {
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return name;
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}
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}
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// 对象转成指定字符串分隔
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function listToString(list, separator) {
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let strs = "";
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separator = separator || ",";
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for (let i in list) {
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if (list[i].url) {
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strs += list[i].url + separator;
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}
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}
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return strs != "" ? strs.substr(0, strs.length - 1) : "";
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}
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// 初始化拖拽排序
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onMounted(() => {
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if (props.drag && !props.disabled) {
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nextTick(() => {
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const element =
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proxy.$refs.uploadFileList?.$el || proxy.$refs.uploadFileList;
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Sortable.create(element, {
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ghostClass: "file-upload-darg",
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onEnd: (evt) => {
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const movedItem = fileList.value.splice(evt.oldIndex, 1)[0];
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fileList.value.splice(evt.newIndex, 0, movedItem);
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emit("update:modelValue", listToString(fileList.value));
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},
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});
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});
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}
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});
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</script>
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<style scoped lang="scss">
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.file-upload-darg {
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opacity: 0.5;
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background: #c8ebfb;
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}
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.upload-file-uploader {
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margin-bottom: 5px;
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}
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.upload-file-list {
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margin-top: 10px;
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max-height: 150px;
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overflow-y: auto;
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}
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.upload-file-list .el-upload-list__item {
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border: 1px solid #e4e7ed;
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line-height: 2;
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margin-bottom: 10px;
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position: relative;
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transition: none !important;
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}
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.upload-file-list .ele-upload-list__item-content {
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display: flex;
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justify-content: space-between;
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align-items: center;
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color: inherit;
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max-height: 20px;
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}
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.ele-upload-list__item-content-action .el-link {
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margin-right: 10px;
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}
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.el-icon-document {
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padding: 10px;
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}
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</style>
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