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<template> |
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<div> |
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<Upload |
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v-bind="$attrs" |
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v-model:file-list="fileList" |
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:list-type="listType" |
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:accept="getStringAccept" |
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:multiple="multiple" |
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:maxCount="maxNumber" |
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:before-upload="beforeUpload" |
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:custom-request="customRequest" |
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@preview="handlePreview" |
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@remove="handleRemove" |
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> |
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<div v-if="fileList && fileList.length < maxNumber"> |
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<plus-outlined /> |
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<div style="margin-top: 8px">{{ t('component.upload.upload') }}</div> |
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</div> |
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</Upload> |
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<Modal :open="previewOpen" :title="previewTitle" :footer="null" @cancel="handleCancel"> |
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<img alt="" style="width: 100%" :src="previewImage" /> |
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</Modal> |
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</div> |
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</template> |
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<script lang="ts" setup> |
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import { ref, toRefs, watch } from 'vue'; |
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import { PlusOutlined } from '@ant-design/icons-vue'; |
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import { Upload, Modal } from 'ant-design-vue'; |
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import type { UploadProps, UploadFile } from 'ant-design-vue'; |
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import { UploadRequestOption } from 'ant-design-vue/lib/vc-upload/interface'; |
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import { useMessage } from '@/hooks/web/useMessage'; |
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import { isArray, isFunction, isObject, isString } from '@/utils/is'; |
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import { warn } from '@/utils/log'; |
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import { useI18n } from '@/hooks/web/useI18n'; |
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import { useUploadType } from '../hooks/useUpload'; |
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import { uploadContainerProps } from '../props'; |
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import { isImgTypeByName } from '../helper'; |
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defineOptions({ name: 'ImageUpload' }); |
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const emit = defineEmits(['change', 'update:value', 'delete']); |
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const props = defineProps({ |
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...uploadContainerProps, |
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}); |
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const { t } = useI18n(); |
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const { createMessage } = useMessage(); |
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const { accept, helpText, maxNumber, maxSize } = toRefs(props); |
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const { getStringAccept } = useUploadType({ |
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acceptRef: accept, |
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helpTextRef: helpText, |
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maxNumberRef: maxNumber, |
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maxSizeRef: maxSize, |
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}); |
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const previewOpen = ref<boolean>(false); |
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const previewImage = ref<string>(''); |
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const previewTitle = ref<string>(''); |
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const fileList = ref<UploadProps['fileList']>([]); |
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const isLtMsg = ref<boolean>(true); |
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const isActMsg = ref<boolean>(true); |
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watch( |
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() => props.value, |
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(v) => { |
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if (v && isArray(v)) { |
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fileList.value = v.map((item, i) => { |
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if (item && isString(item)) { |
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return { |
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uid: -i + '', |
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name: item.substring(item.lastIndexOf('/') + 1), |
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status: 'done', |
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url: item, |
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}; |
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} else if (item && isObject(item)) { |
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return item; |
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} else { |
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return; |
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} |
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}) as UploadProps['fileList']; |
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} |
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}, |
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); |
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function getBase64<T extends string | ArrayBuffer | null>(file: File) { |
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return new Promise<T>((resolve, reject) => { |
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const reader = new FileReader(); |
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reader.readAsDataURL(file); |
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reader.onload = () => { |
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resolve(reader.result as T); |
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}; |
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reader.onerror = (error) => reject(error); |
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}); |
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} |
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const handlePreview = async (file: UploadFile) => { |
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if (!file.url && !file.preview) { |
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file.preview = await getBase64<string>(file.originFileObj!); |
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} |
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previewImage.value = file.url || file.preview || ''; |
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previewOpen.value = true; |
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previewTitle.value = |
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file.name || previewImage.value.substring(previewImage.value.lastIndexOf('/') + 1); |
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}; |
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const handleRemove = async (file: UploadFile) => { |
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if (fileList.value) { |
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const index = fileList.value.findIndex((item) => item.uid === file.uid); |
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index !== -1 && fileList.value.splice(index, 1); |
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emit('change', fileList.value); |
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emit('delete', file); |
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} |
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}; |
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const handleCancel = () => { |
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previewOpen.value = false; |
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previewTitle.value = ''; |
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}; |
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const beforeUpload = (file: File) => { |
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const { maxSize, accept } = props; |
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const { name } = file; |
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const isAct = isImgTypeByName(name); |
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if (!isAct) { |
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createMessage.error(t('component.upload.acceptUpload', [accept])); |
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isActMsg.value = false; |
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// 防止弹出多个错误提示 |
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setTimeout(() => (isActMsg.value = true), 1000); |
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} |
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const isLt = file.size / 1024 / 1024 > maxSize; |
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if (isLt) { |
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createMessage.error(t('component.upload.maxSizeMultiple', [maxSize])); |
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isLtMsg.value = false; |
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// 防止弹出多个错误提示 |
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setTimeout(() => (isLtMsg.value = true), 1000); |
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} |
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return (isAct && !isLt) || Upload.LIST_IGNORE; |
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}; |
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async function customRequest(info: UploadRequestOption<any>) { |
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const { api } = props; |
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if (!api || !isFunction(api)) { |
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return warn('upload api must exist and be a function'); |
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} |
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try { |
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const res = await props.api?.({ |
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data: { |
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...(props.uploadParams || {}), |
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}, |
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file: info.file, |
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name: props.name, |
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filename: props.filename, |
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}); |
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info.onSuccess!(res.data); |
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emit('change', fileList.value); |
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} catch (e: any) { |
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console.log(e); |
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info.onError!(e); |
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} |
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} |
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</script> |
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<style lang="less"> |
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.ant-upload-select-picture-card i { |
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color: #999; |
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font-size: 32px; |
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} |
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.ant-upload-select-picture-card .ant-upload-text { |
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margin-top: 8px; |
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color: #666; |
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} |
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</style> |