feat: ✨ 新增文件上传组件
新增文件上传组件
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胡少翔
329
src/components/Upload/FileUpload.vue
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329
src/components/Upload/FileUpload.vue
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<!-- 文件上传组件 -->
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<template>
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<div>
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<el-upload
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v-model:file-list="fileList"
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:class="props.showUploadBtn ? 'show-upload-btn' : 'hide-upload-btn'"
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:style="props.style"
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multiple
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:headers="props.headers"
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:data="props.data"
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:name="props.name"
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:before-upload="handleBeforeUpload"
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:on-remove="handleRemove"
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:on-progress="handleProgress"
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:on-success="handleSuccessFile"
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:on-error="handleError"
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:action="props.action"
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:accept="props.accept"
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:limit="props.limit"
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>
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<el-button
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type="primary"
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v-if="props.showUploadBtn"
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:disabled="fileList.length >= props.limit"
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>
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{{ props.uploadBtnText }}
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</el-button>
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<template #tip v-if="props.showTip">
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<div class="el-upload__tip">
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{{ props.tip }}
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</div>
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</template>
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<template #file="{ file }">
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<div class="el-upload-list__item-info">
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<a class="el-upload-list__item-name" @click="downloadFile(file)">
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<el-icon><Document /></el-icon>
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<span class="el-upload-list__item-file-name">{{ file.name }}</span>
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<span
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class="el-icon--close"
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v-if="props.showDelBtn"
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@click.stop="handleRemove(file)"
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>
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<el-icon><Close /></el-icon>
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</span>
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</a>
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</div>
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</template>
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</el-upload>
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<el-progress
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:style="{
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display: showUploadPercent ? 'inline-flex' : 'none',
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width: '100%',
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}"
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:percentage="uploadPercent"
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:color="customColorMethod"
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v-if="showUploadPercent"
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/>
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</div>
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</template>
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<script lang="ts" setup>
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import {
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UploadRawFile,
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UploadUserFile,
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UploadFile,
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UploadProgressEvent,
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} from "element-plus";
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import { TOKEN_KEY } from "@/enums/CacheEnum";
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import FileAPI from "@/api/file";
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import { ref, watch } from "vue";
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import { ElMessage } from "element-plus";
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import { ResultEnum } from "@/enums/ResultEnum";
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const emit = defineEmits(["update:modelValue"]);
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const props = defineProps({
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/**
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* 文件集合
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*/
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modelValue: {
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type: Array<UploadUserFile>,
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default: () => [],
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},
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/**
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* 上传地址
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*/
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action: {
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type: String,
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default: FileAPI.uploadUrl,
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},
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/**
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* 文件上传数量限制
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*/
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limit: {
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type: Number,
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default: 10,
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},
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/**
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* 是否显示删除按钮
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*/
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showDelBtn: {
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type: Boolean,
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default: true,
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},
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/**
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* 是否显示上传按钮
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*/
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showUploadBtn: {
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type: Boolean,
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default: true,
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},
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/**
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* 单张图片最大大小
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*/
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uploadMaxSize: {
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type: Number,
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default: 2 * 1024 * 1024,
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},
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/**
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* 上传文件类型
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*/
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accept: {
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type: String,
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default: "*",
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},
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/**
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* 上传按钮文本
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*/
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uploadBtnText: {
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type: String,
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default: "上传文件",
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},
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/**
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* 是否展示提示信息
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*/
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showTip: {
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type: Boolean,
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default: false,
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},
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/**
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* 提示信息内容
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*/
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tip: {
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type: String,
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default: "",
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},
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/**
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* 请求头
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*/
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headers: {
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type: Object,
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default: () => {
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return {
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Authorization: localStorage.getItem(TOKEN_KEY),
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};
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},
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},
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/**
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* 请求参数
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*/
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data: {
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type: Object,
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default: () => {
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return {};
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},
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},
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/**
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* 上传文件字段名
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*/
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name: {
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type: String,
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default: "file",
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},
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/**
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* 样式
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*/
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style: {
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type: Object,
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default: () => {
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return {
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width: "300px",
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};
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},
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},
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});
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const fileList = ref([] as UploadUserFile[]);
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const valFileList = ref([] as UploadUserFile[]);
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const showUploadPercent = ref(false);
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const uploadPercent = ref(0);
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watch(
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() => props.modelValue,
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(newVal: UploadUserFile[]) => {
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const filePaths = fileList.value.map((file) => file.url);
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const fileNames = fileList.value.map((file) => file.name);
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// 监听modelValue文件集合值未变化时，跳过赋值
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if (
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filePaths.length > 0 &&
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filePaths.length === newVal.length &&
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filePaths.every((x) => newVal.some((y) => y.url === x)) &&
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newVal.every((y) => filePaths.some((x) => x === y.url)) &&
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fileNames.every((x) => newVal.some((y) => y.name === x)) &&
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newVal.every((y) => fileNames.some((x) => x === y.name))
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) {
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return;
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}
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if (newVal.length <= 0) {
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fileList.value = [];
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return;
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}
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fileList.value = newVal.map((file) => {
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return { name: file.name, url: file.url } as UploadFile;
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});
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valFileList.value = newVal.map((file) => {
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return { name: file.name, url: file.url } as UploadFile;
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});
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},
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{ immediate: true }
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);
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/**
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* 限制用户上传文件的大小
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*/
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function handleBeforeUpload(file: UploadRawFile) {
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if (file.size > props.uploadMaxSize) {
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let mUploadMaxSize = props.uploadMaxSize / 1024 / 1024;
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ElMessage.warning("上传文件不能大于" + mUploadMaxSize + "M");
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return false;
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}
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uploadPercent.value = 0;
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showUploadPercent.value = true;
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return true;
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}
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const handleSuccessFile = (response: any, file: UploadFile) => {
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showUploadPercent.value = false;
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uploadPercent.value = 0;
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if (response.code === ResultEnum.SUCCESS) {
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ElMessage.success("上传成功");
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valFileList.value.push({
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name: file.name,
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url: response.data.url,
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});
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emit("update:modelValue", valFileList.value);
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return;
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} else {
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ElMessage.error(response.msg || "上传失败");
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}
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};
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const handleError = (error: any) => {
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showUploadPercent.value = false;
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uploadPercent.value = 0;
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ElMessage.error("上传失败");
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};
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const customColorMethod = (percentage: number) => {
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if (percentage < 30) {
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return "#909399";
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}
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if (percentage < 70) {
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return "#375ee8";
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}
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return "#67c23a";
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};
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const handleProgress = (event: UploadProgressEvent) => {
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uploadPercent.value = event.percent;
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};
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/**
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* 删除文件
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*/
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function handleRemove(removeFile: UploadUserFile) {
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const filePath = removeFile.url;
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if (filePath) {
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FileAPI.deleteByPath(filePath).then(() => {
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// 删除成功回调
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valFileList.value = valFileList.value.filter(
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(file) => file.url !== filePath
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);
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emit("update:modelValue", valFileList.value);
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});
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}
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}
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/**
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* 下载文件
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*/
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function downloadFile(file: UploadUserFile) {
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const filePath = file.url;
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if (filePath) {
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FileAPI.downloadFile(filePath, file.name);
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}
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}
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</script>
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<style lang="scss" scoped>
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.el-upload-list__item .el-icon--close {
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position: absolute;
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top: 50%;
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right: 5px;
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color: var(--el-text-color-regular);
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cursor: pointer;
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opacity: 0.75;
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transition: opacity var(--el-transition-duration);
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transform: translateY(-50%);
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}
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:deep(.el-upload-list) {
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margin: 0;
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}
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:deep(.el-upload-list__item) {
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margin: 0;
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}
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.show-upload-btn {
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:deep(.el-upload) {
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display: inline-flex;
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}
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}
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.hide-upload-btn {
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:deep(.el-upload) {
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display: none;
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}
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}
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</style>
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@@ -1,4 +1,4 @@
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<!-- 多图上传组件 -->
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<!-- 图片上传组件 -->
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<template>
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<el-upload
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v-model:file-list="fileList"
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