UploadFile.vue
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<template>
<div class="upload-file">
<el-upload
ref="uploadRef"
:multiple="props.limit > 1"
name="file"
v-model="valueRef"
v-model:file-list="fileList"
:show-file-list="true"
:auto-upload="autoUpload"
:action="updateUrl"
:headers="uploadHeaders"
:limit="props.limit"
:drag="drag"
:before-upload="beforeUpload"
:on-exceed="handleExceed"
:on-success="handleFileSuccess"
:on-error="excelUploadError"
:on-remove="handleRemove"
:on-preview="handlePreview"
class="upload-file-uploader"
>
<el-button type="primary"><Icon icon="ep:upload-filled" />选取文件</el-button>
<template v-if="isShowTip" #tip>
<div style="font-size: 8px">
大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b>
</div>
<div style="font-size: 8px">
格式为 <b style="color: #f56c6c">{{ fileType.join('/') }}</b> 的文件
</div>
</template>
</el-upload>
</div>
</template>
<script setup lang="ts" name="UploadFile">
import { PropType } from 'vue'
import { propTypes } from '@/utils/propTypes'
import { getAccessToken, getTenantId } from '@/utils/auth'
import type { UploadInstance, UploadUserFile, UploadProps, UploadRawFile } from 'element-plus'
const message = useMessage() // 消息弹窗
const emit = defineEmits(['update:modelValue'])
const props = defineProps({
modelValue: {
type: Array as PropType<UploadUserFile[]>,
required: true
},
title: propTypes.string.def('文件上传'),
updateUrl: propTypes.string.def(import.meta.env.VITE_UPLOAD_URL),
fileType: propTypes.array.def(['doc', 'xls', 'ppt', 'txt', 'pdf']), // 文件类型, 例如['png', 'jpg', 'jpeg']
fileSize: propTypes.number.def(5), // 大小限制(MB)
limit: propTypes.number.def(5), // 数量限制
autoUpload: propTypes.bool.def(true), // 自动上传
drag: propTypes.bool.def(false), // 拖拽上传
isShowTip: propTypes.bool.def(true) // 是否显示提示
})
// ========== 上传相关 ==========
const valueRef = ref(props.modelValue)
const uploadRef = ref<UploadInstance>()
const uploadList = ref<UploadUserFile[]>([])
const fileList = ref<UploadUserFile[]>(props.modelValue)
const uploadNumber = ref<number>(0)
const uploadHeaders = ref({
Authorization: 'Bearer ' + getAccessToken(),
'tenant-id': getTenantId()
})
// 文件上传之前判断
const beforeUpload: UploadProps['beforeUpload'] = (file: UploadRawFile) => {
if (fileList.value.length >= props.limit) {
message.error(`上传文件数量不能超过${props.limit}个!`)
return false
}
let fileExtension = ''
if (file.name.lastIndexOf('.') > -1) {
fileExtension = file.name.slice(file.name.lastIndexOf('.') + 1)
}
const isImg = props.fileType.some((type: string) => {
if (file.type.indexOf(type) > -1) return true
return !!(fileExtension && fileExtension.indexOf(type) > -1)
})
const isLimit = file.size < props.fileSize * 1024 * 1024
if (!isImg) {
message.error(`文件格式不正确, 请上传${props.fileType.join('/')}格式!`)
return false
}
if (!isLimit) {
message.error(`上传文件大小不能超过${props.fileSize}MB!`)
return false
}
message.success('正在上传文件，请稍候...')
uploadNumber.value++
}
// 处理上传的文件发生变化
// const handleFileChange = (uploadFile: UploadFile): void => {
// uploadRef.value.data.path = uploadFile.name
// }
// 文件上传成功
const handleFileSuccess: UploadProps['onSuccess'] = (res: any): void => {
message.success('上传成功')
const fileListNew = fileList.value
fileListNew.pop()
fileList.value = fileListNew
uploadList.value.push({ name: res.data, url: res.data })
if (uploadList.value.length == uploadNumber.value) {
fileList.value = fileList.value.concat(uploadList.value)
uploadList.value = []
uploadNumber.value = 0
emit('update:modelValue', listToString(fileList.value))
}
}
// 文件数超出提示
const handleExceed: UploadProps['onExceed'] = (): void => {
message.error(`上传文件数量不能超过${props.limit}个!`)
}
// 上传错误提示
const excelUploadError: UploadProps['onError'] = (): void => {
message.error('导入数据失败，请您重新上传！')
}
// 删除上传文件
const handleRemove = (file) => {
const findex = fileList.value.map((f) => f.name).indexOf(file.name)
if (findex > -1) {
fileList.value.splice(findex, 1)
emit('update:modelValue', listToString(fileList.value))
}
}
const handlePreview: UploadProps['onPreview'] = (uploadFile) => {
console.log(uploadFile)
}
// 对象转成指定字符串分隔
const listToString = (list: UploadUserFile[], separator?: string) => {
let strs = ''
separator = separator || ','
for (let i in list) {
strs += list[i].url + separator
}
return strs != '' ? strs.substr(0, strs.length - 1) : ''
}
</script>
<style scoped lang="scss">
.upload-file-uploader {
margin-bottom: 5px;
}
:deep(.upload-file-list .el-upload-list__item) {
border: 1px solid #e4e7ed;
line-height: 2;
margin-bottom: 10px;
position: relative;
}
:deep(.el-upload-list__item-file-name) {
max-width: 250px;
}
:deep(.upload-file-list .ele-upload-list__item-content) {
display: flex;
justify-content: space-between;
align-items: center;
color: inherit;
}
:deep(.ele-upload-list__item-content-action .el-link) {
margin-right: 10px;
}
</style>