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建站宝盒做的网站,公司企业网站模板,新网站多久收录内页,成都疫情最新情况行动轨迹el-upload组件支持多种风格，如文件列表，图片，图片卡片，支持多种事件，预览，删除，上传成功，上传中等钩子。 file-list：上传的文件集合，一定要用v-model:file-…

el-upload组件支持多种风格，如文件列表，图片，图片卡片，支持多种事件，预览，删除，上传成功，上传中等钩子。
在这里插入图片描述

在这里插入图片描述
file-list：上传的文件集合，一定要用v-model:file-list进行双向绑定。
list-type:决定文件类型，filelist,picture,picture-card 3种

用法示例

vue代码

<script setup lang="ts">
import { onMounted, reactive, ref } from 'vue'
import type { FormInstance,FormRules,UploadUserFile  } from 'element-plus'interface Good {}const goodForm=ref<Good>({});const fileList=ref<UploadUserFile[]>()const picFileList=ref<UploadUserFile[]>()const picCardFileList=ref<UploadUserFile[]>()const previewDialogVisable=ref(false)
const previewPicUrl=ref()const previewFunc = (uploadFile:UploadUserFile)=>{previewDialogVisable.value=truepreviewPicUrl.value=uploadFile.url
}</script><template><el-form :model="goodForm" status-icon label-position="left" label-width="auto" ref="formRef"><el-form-item label="select file"><el-upload v-model:file-list="fileList" action="http://localhost:3000/upload"><template #trigger><el-button type="primary">select file</el-button></template></el-upload></el-form-item><el-form-item label="select pic file"><el-upload v-model:file-list="picFileList" list-type="picture" action="http://localhost:3000/upload"><template #trigger><el-button type="primary">select file</el-button></template></el-upload></el-form-item><el-form-item label="picture card file"><el-upload v-model:file-list="picCardFileList" action="http://localhost:3000/upload" list-type="picture-card" :on-preview="previewFunc"><template #trigger><el-button type="primary">select file</el-button></template></el-upload></el-form-item><el-dialog v-model="previewDialogVisable" ><img :src="previewPicUrl"  alt="preview image" w-full/></el-dialog></el-form></template><style scoped></style>

后端用node+ts

import express from 'express';
import multer from 'multer';
import path from 'path';
import cors from 'cors';// 初始化 express 应用
const app = express();app.use(cors())// 设置文件存储配置
const storage = multer.diskStorage({destination: (req, file, cb) => {cb(null, 'uploads/'); // 文件存储目录},filename: (req, file, cb) => {const uniqueSuffix = Date.now() + '-' + Math.round(Math.random() * 1E9);cb(null, file.fieldname + '-' + uniqueSuffix + path.extname(file.originalname)); // 文件名}
});const upload = multer({ storage: storage });// 创建文件上传路由
app.post('/upload', upload.single('file'), (req, res) => {res.send({message: 'File uploaded successfully',file: req.file});
});app.use(express.static(path.join(__dirname, '../uploads')));// 启动服务器
const PORT = 3000;
app.listen(PORT, () => {console.log(`Server is running on http://localhost:${PORT}`);
});