4dkankan-components/docs/examples-bk/upload/file-list.vue

<template>
    <el-upload v-model:file-list="fileList" class="upload-demo" action="https://run.mocky.io/v3/9d059bf9-4660-45f2-925d-ce80ad6c4d15" :on-change="handleChange">
        <el-button type="primary">Click to upload</el-button>
        <template #tip>
            <div class="el-upload__tip">jpg/png files with a size less than 500kb</div>
        </template>
    </el-upload>
</template>
<script lang="ts" setup>
import { ref } from 'vue'

import type { UploadProps, UploadUserFile } from 'element-plus'

const fileList = ref<UploadUserFile[]>([
    {
        name: 'food.jpeg',
        url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100',
    },
    {
        name: 'food2.jpeg',
        url: 'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100',
    },
])

const handleChange: UploadProps['onChange'] = (uploadFile, uploadFiles) => {
    fileList.value = fileList.value.slice(-3)
}
</script>