271 lines
7.7 KiB
Vue
271 lines
7.7 KiB
Vue
<script lang="ts" setup>
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import type { UploadFile, UploadProps } from 'ant-design-vue';
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import type { UploadRequestOption } from 'ant-design-vue/lib/vc-upload/interface';
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import type { AxiosProgressEvent } from '#/api/infra/file';
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import type { AxiosResponse } from '@vben/request';
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import { CloudUpload } from '@vben/icons';
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import { message, Upload, Modal } from 'ant-design-vue';
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import { $t } from '@vben/locales';
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import { ref, toRefs, watch } from 'vue';
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import { isFunction, isObject, isString } from '@vben/utils';
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import { checkImgType, defaultImageAccepts } from './helper';
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import { UploadResultStatus } from './typing';
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import { useUploadType } from './use-upload';
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import { uploadFile } from '#/api/infra/file';
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defineOptions({ name: 'ImageUpload', inheritAttrs: false });
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const props = withDefaults(
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defineProps<{
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// 根据后缀，或者其他
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accept?: string[];
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api?: (
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file: Blob | File,
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onUploadProgress?: AxiosProgressEvent,
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) => Promise<AxiosResponse<any>>;
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disabled?: boolean;
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helpText?: string;
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listType?: ListType;
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// 最大数量的文件，Infinity不限制
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maxNumber?: number;
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// 文件最大多少MB
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maxSize?: number;
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// 是否支持多选
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multiple?: boolean;
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// support xxx.xxx.xx
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resultField?: string;
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// 是否显示下面的描述
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showDescription?: boolean;
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value?: string[] | string;
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}>(),
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{
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value: () => [],
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disabled: false,
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listType: 'picture-card',
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helpText: '',
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maxSize: 2,
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maxNumber: 1,
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accept: () => defaultImageAccepts,
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multiple: false,
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api: (file: Blob | File, onUploadProgress?: AxiosProgressEvent) => {
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// TODO @芋艿：处理上传；前端上传
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debugger
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return uploadFile({ file }, onUploadProgress);
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},
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resultField: '',
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showDescription: true,
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},
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);
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const emit = defineEmits(['change', 'update:value', 'delete']);
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type ListType = 'picture' | 'picture-card' | 'text';
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const { accept, helpText, maxNumber, maxSize } = toRefs(props);
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const isInnerOperate = ref<boolean>(false);
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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); // 是否展示预览
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const previewImage = ref<string>(''); // 预览图片
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const previewTitle = ref<string>(''); // 预览标题
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const fileList = ref<UploadProps['fileList']>([]);
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const isLtMsg = ref<boolean>(true); // 文件大小错误提示
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const isActMsg = ref<boolean>(true); // 文件类型错误提示
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const isFirstRender = ref<boolean>(true); // 是否第一次渲染
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watch(
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() => props.value,
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async (v) => {
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if (isInnerOperate.value) {
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isInnerOperate.value = false;
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return;
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}
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let value: string | string[] = [];
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if (v) {
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if (Array.isArray(v)) {
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value = v;
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} else {
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value.push(v);
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}
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fileList.value = value.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.slice(Math.max(0, item.lastIndexOf('/') + 1)),
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status: UploadResultStatus.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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}
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return null;
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}) as UploadProps['fileList'];
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}
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if (!isFirstRender.value) {
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emit('change', value);
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isFirstRender.value = false;
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}
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},
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{
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immediate: true,
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deep: true,
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},
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);
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function getBase64<T extends ArrayBuffer | null | string>(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.addEventListener('load', () => {
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resolve(reader.result as T);
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});
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reader.addEventListener('error', (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 ||
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previewImage.value.slice(
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Math.max(0, previewImage.value.lastIndexOf('/') + 1),
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);
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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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const value = getValue();
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isInnerOperate.value = true;
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emit('update:value', value);
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emit('change', 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 = async (file: File) => {
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const { maxSize, accept } = props;
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const isAct = checkImgType(file, accept);
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if (!isAct) {
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message.error($t('ui.upload.acceptUpload', [accept]));
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isActMsg.value = false;
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// 防止弹出多个错误提示
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setTimeout(() => (isActMsg.value = true), 1000);
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}
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const isLt = file.size / 1024 / 1024 > maxSize;
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if (isLt) {
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message.error($t('ui.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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console.warn('upload api must exist and be a function');
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return;
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}
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try {
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// 上传文件
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const progressEvent: AxiosProgressEvent = (e) => {
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const percent = Math.trunc((e.loaded / e.total!) * 100);
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info.onProgress!({ percent });
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};
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const res = await api?.(info.file as File, progressEvent);
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info.onSuccess!(res);
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message.success($t('ui.upload.uploadSuccess'));
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// 更新文件
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const value = getValue();
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isInnerOperate.value = true;
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emit('update:value', value);
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emit('change', value);
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} catch (error: any) {
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console.error(error);
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info.onError!(error);
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}
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}
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function getValue() {
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const list = (fileList.value || [])
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.filter((item) => item?.status === UploadResultStatus.DONE)
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.map((item: any) => {
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debugger
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if (item?.response && props?.resultField) {
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return item?.response;
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}
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return item?.url || item?.response?.url || item?.response;
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});
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// add by 芋艿：【特殊】单个文件的情况，获取首个元素，保证返回的是 String 类型
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if (props.maxNumber === 1) {
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return list.length > 0 ? list[0] : '';
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}
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return list;
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}
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</script>
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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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:accept="getStringAccept"
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:before-upload="beforeUpload"
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:custom-request="customRequest"
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:disabled="disabled"
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:list-type="listType"
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:max-count="maxNumber"
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:multiple="multiple"
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:progress="{ showInfo: true }"
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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" class="flex flex-col items-center justify-center">
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<CloudUpload />
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<div class="mt-2">{{ $t('ui.upload.imgUpload') }}</div>
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</div>
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</Upload>
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<div
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v-if="showDescription"
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class="mt-2 flex flex-wrap items-center text-[14px]"
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>
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请上传不超过
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<div class="mx-1 font-bold text-primary">{{ maxSize }}MB</div>
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的
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<div class="text-primary mx-1 font-bold">{{ accept.join('/') }}</div>
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格式文件
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</div>
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<Modal
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:footer="null"
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:open="previewOpen"
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:title="previewTitle"
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@cancel="handleCancel"
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>
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<img :src="previewImage" alt="" class="w-full" />
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</Modal>
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</div>
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</template>
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<style>
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.ant-upload-select-picture-card {
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@apply flex items-center justify-center;
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}
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</style>
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