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basic/src/components/FileUpload/index.vue
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<script setup name="FileUpload">
const { proxy } = getCurrentInstance()
const props = defineProps({
action: {
type: String,
required: true
},
headers: {
type: Object,
default: () => {}
},
data: {
type: Object,
default: () => {}
},
name: {
type: String,
default: 'file'
},
size: {
type: Number,
default: 2
},
max: {
type: Number,
default: 3
},
files: {
type: Array,
default: () => []
},
notip: {
type: Boolean,
default: false
},
ext: {
type: Array,
default: () => ['zip', 'rar']
}
})
const emit = defineEmits(['on-success'])
function beforeUpload(file) {
const fileName = file.name.split('.')
const fileExt = fileName[fileName.length - 1]
const isTypeOk = props.ext.indexOf(fileExt) >= 0
const isSizeOk = file.size / 1024 / 1024 < props.size
if (!isTypeOk) {
proxy.$message.error(`上传文件只支持 ${ props.ext.join(' / ') } 格式!`)
}
if (!isSizeOk) {
proxy.$message.error(`上传文件大小不能超过 ${props.size}MB!`)
}
return isTypeOk && isSizeOk
}
function onExceed() {
proxy.$message.warning('文件上传超过限制')
}
function onSuccess(res, file) {
emit('on-success', res, file)
}
</script>
<template>
<el-upload
:action="action"
:data="data"
:name="name"
:before-upload="beforeUpload"
:on-exceed="onExceed"
:on-success="onSuccess"
:file-list="files"
:limit="max"
drag
>
<div class="slot">
<el-icon class="el-icon--upload"><el-icon-upload-filled /></el-icon>
<div class="el-upload__text">将文件拖到此处,或<em>点击上传</em></div>
</div>
<template #tip>
<div v-if="!notip" class="el-upload__tip">
<div style="display: inline-block;">
<el-alert :title="`上传文件支持 ${ ext.join(' / ') } 格式,单个文件大小不超过 ${ size }MB,且文件数量不超过 ${ max } 个`" type="info" show-icon :closable="false" />
</div>
</div>
</template>
</el-upload>
</template>
<style lang="scss" scoped>
:deep(.el-upload-dragger) {
width: auto;
height: auto;
overflow: unset;
&.is-dragover {
border-width: 1px;
}
}
.slot {
width: 300px;
height: 160px;
}
</style>