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296 lines
8.2 KiB
Vue
296 lines
8.2 KiB
Vue
<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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: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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:on-remove="handleFileRemove"
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:show-file-list="true"
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:headers="headers"
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class="upload-file-uploader"
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ref="fileUpload"
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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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<!-- 上传提示 -->
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<template #tip>
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<div class="el-upload__tip" v-if="showTip">
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请上传
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<template v-if="fileSize"> 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b> </template>
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<template v-if="fileType"> 格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b> </template>
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的文件
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</div>
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</template>
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</el-upload>
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<!-- 自定义文件列表（可选，取决于是否需要自定义文件列表） -->
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<template v-if="false">
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<transition-group class="upload-file-list el-upload-list el-upload-list--text" name="el-fade-in-linear" tag="ul">
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<li :key="file.uid" class="el-upload-list__item ele-upload-list__item-content" v-for="(file, index) in fileList">
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<el-button link :href="`${baseUrl}${file.url}`" target="_blank">
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<span class="el-icon-document"> {{ getFileName(file.name) }} </span>
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</el-button>
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<div class="ele-upload-list__item-content-action">
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<el-button link @click="handleDelete(index)" type="danger">删除</el-button>
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</div>
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</li>
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</transition-group>
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</template>
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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 { ref, computed, watch, getCurrentInstance } from 'vue';
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const props = defineProps({
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modelValue: [String, Object, Array],
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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: 100,
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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", "xls", "ppt", "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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// 新增：自定义上传地址
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uploadFileUrl: {
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type: String,
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default: ''
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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 = computed(() => {
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// 优先使用外部传入的 uploadFileUrl 属性
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if (props.uploadFileUrl) {
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return props.uploadFileUrl;
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}
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return baseUrl + "/common/upload"; // 修改为通用上传接口
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});
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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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watch(() => props.modelValue, val => {
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if (val) {
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let temp = 1;
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try {
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// 首先将值转为数组
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let list = [];
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if (typeof val === 'string') {
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// 尝试解析为JSON
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try {
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const parsedValue = JSON.parse(val);
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list = Array.isArray(parsedValue) ? parsedValue : [parsedValue];
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} catch (e) {
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// 不是有效的JSON，按逗号分隔处理
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list = val.split(',');
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}
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} else if (Array.isArray(val)) {
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list = val;
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} else {
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list = [val];
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}
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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: getFileName(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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} catch (error) {
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console.error('解析文件列表失败:', error);
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fileList.value = [];
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}
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} else {
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fileList.value = [];
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}
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}, { deep: true, immediate: true });
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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].toLowerCase();
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const isTypeOk = props.fileType.some(type =>
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type.toLowerCase() === fileExt
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);
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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 ${props.limit} 个!`);
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}
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// 上传失败
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function handleUploadError(err) {
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number.value--;
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proxy.$modal.closeLoading();
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proxy.$modal.msgError("上传文件失败: " + (err.message || '未知错误'));
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}
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// El-Upload自带的文件移除事件
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function handleFileRemove(file) {
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handleDelete(fileList.value.findIndex(item => item.uid === file.uid));
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}
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// 上传成功回调
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function handleUploadSuccess(res, file) {
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if (res.code === 200) {
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uploadList.value.push({
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name: res.fileName || res.originalFilename || file.name,
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url: res.url
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});
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uploadedSuccessfully();
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} else {
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number.value--;
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proxy.$modal.closeLoading();
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proxy.$modal.msgError(res.msg || '上传失败');
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proxy.$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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if (index < 0 || index >= fileList.value.length) {
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return;
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}
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// 获取要删除的文件路径
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const file = fileList.value[index];
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if (!file || !file.url) {
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return;
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}
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// 确认删除
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proxy.$modal.confirm('确定要删除该文件吗？').then(() => {
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// 显示加载中
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proxy.$modal.loading("删除文件中，请稍候...");
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// 如果存在删除附件的API，调用它
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if (window.deleteAttachment) {
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window.deleteAttachment(file.url).then(() => {
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// 从前端列表中移除
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fileList.value.splice(index, 1);
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emit("update:modelValue", listToString(fileList.value));
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proxy.$modal.closeLoading();
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proxy.$modal.msgSuccess("删除成功");
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}).catch(error => {
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console.error("删除文件失败:", error);
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proxy.$modal.closeLoading();
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proxy.$modal.msgError("删除失败: " + (error.message || "未知错误"));
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});
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} else {
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// 仅从前端列表中移除
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fileList.value.splice(index, 1);
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emit("update:modelValue", listToString(fileList.value));
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proxy.$modal.closeLoading();
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proxy.$modal.msgSuccess("文件已从列表中移除");
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}
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}).catch(() => {
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// 取消删除
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});
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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.filter(f => f.url !== undefined).concat(uploadList.value);
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uploadList.value = [];
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number.value = 0;
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emit("update:modelValue", listToString(fileList.value));
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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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if (!name) return '';
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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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// 构建JSON数组
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const fileDataArray = list.map(item => ({
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name: item.name || getFileName(item.url),
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url: item.url
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}));
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// 返回JSON字符串
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return JSON.stringify(fileDataArray);
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}
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</script>
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<style scoped lang="scss">
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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 .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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}
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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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}
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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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</style>
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