<template>
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<div class="clearfix">
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<a-upload
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:listType="listType"
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:multiple="multiple"
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:action="uploadUrl"
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:headers="headers"
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:data="{ biz: bizPath }"
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v-model:fileList="uploadFileList"
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:beforeUpload="beforeUpload"
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:disabled="disabled"
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@change="handleChange"
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@preview="handlePreview"
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>
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<div v-if="uploadVisible">
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<div v-if="listType == 'picture-card'">
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<LoadingOutlined v-if="loading" />
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<UploadOutlined v-else />
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<div class="ant-upload-text">{{ text }}</div>
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</div>
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<a-button v-if="listType == 'picture'" :disabled="disabled">
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<UploadOutlined></UploadOutlined>
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{{ text }}
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</a-button>
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</div>
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</a-upload>
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<a-modal :visible="previewVisible" :footer="null" @cancel="handleCancel()">
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<img alt="example" style="width: 100%" :src="previewImage" />
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</a-modal>
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</div>
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</template>
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<script lang="ts">
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import { defineComponent, PropType, ref, reactive, watchEffect, computed, unref, watch, onMounted } from 'vue';
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import { LoadingOutlined, UploadOutlined } from '@ant-design/icons-vue';
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import { useRuleFormItem } from '/@/hooks/component/useFormItem';
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import { propTypes } from '/@/utils/propTypes';
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import { useAttrs } from '/@/hooks/core/useAttrs';
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import { useMessage } from '/@/hooks/web/useMessage';
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import { getFileAccessHttpUrl, getRandom } from '/@/utils/common/compUtils';
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import { uploadUrl } from '/@/api/common/api';
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import { getToken } from '/@/utils/auth';
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const { createMessage, createErrorModal } = useMessage();
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export default defineComponent({
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name: 'JImageUpload',
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components: { LoadingOutlined, UploadOutlined },
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inheritAttrs: false,
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props: {
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//绑定值
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value: propTypes.oneOfType([propTypes.string, propTypes.array]),
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//按钮文本
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listType: {
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type: String,
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required: false,
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default: 'picture-card',
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},
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//按钮文本
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text: {
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type: String,
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required: false,
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default: '上传',
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},
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//这个属性用于控制文件上传的业务路径
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bizPath: {
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type: String,
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required: false,
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default: 'temp',
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},
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//是否禁用
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disabled: {
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type: Boolean,
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required: false,
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default: false,
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},
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//上传数量
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fileMax: {
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type: Number,
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required: false,
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default: 1,
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},
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},
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emits: ['options-change', 'change', 'update:value'],
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setup(props, { emit, refs }) {
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const emitData = ref<any[]>([]);
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const attrs = useAttrs();
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const [state] = useRuleFormItem(props, 'value', 'change', emitData);
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//获取文件名
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const getFileName = (path) => {
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if (path.lastIndexOf('\\') >= 0) {
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let reg = new RegExp('\\\\', 'g');
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path = path.replace(reg, '/');
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}
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return path.substring(path.lastIndexOf('/') + 1);
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};
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//token
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const headers = ref<object>({
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'X-Access-Token': getToken(),
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});
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//上传状态
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const loading = ref<boolean>(false);
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//是否是初始化加载
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const initTag = ref<boolean>(true);
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//文件列表
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let uploadFileList = ref<any[]>([]);
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//预览图
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const previewImage = ref<string | undefined>('');
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//预览框状态
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const previewVisible = ref<boolean>(false);
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//计算是否开启多图上传
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const multiple = computed(() => {
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return props['fileMax'] > 1;
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});
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//计算是否可以继续上传
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const uploadVisible = computed(() => {
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return uploadFileList.value.length < props['fileMax'];
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});
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/**
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* 监听value变化
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*/
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watch(
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() => props.value,
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(val, prevCount) => {
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if (val instanceof Array) {
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val = val.join(',');
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}
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if (initTag.value == true) {
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initFileList(val);
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}
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}
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);
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/**
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* 初始化文件列表
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*/
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function initFileList(paths) {
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if (!paths || paths.length == 0) {
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uploadFileList.value = [];
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return;
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}
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let files = [];
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let arr = paths.split(',');
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arr.forEach((value) => {
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let url = getFileAccessHttpUrl(value);
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files.push({
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uid: getRandom(10),
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name: getFileName(value),
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status: 'done',
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url: url,
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response: {
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status: 'history',
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message: value,
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},
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});
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});
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uploadFileList.value = files;
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}
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/**
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* 上传前校验
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*/
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function beforeUpload(file) {
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let fileType = file.type;
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if (fileType.indexOf('image') < 0) {
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createMessage.info('请上传图片');
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return false;
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}
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}
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/**
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* 文件上传结果回调
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*/
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function handleChange({ file, fileList, event }) {
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initTag.value = false;
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uploadFileList.value = fileList;
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if (file.status === 'error') {
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createMessage.error(`${file.name} 上传失败.`);
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}
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let fileUrls = [];
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//上传完成
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if (file.status != 'uploading') {
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fileList.forEach((file) => {
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if (file.status === 'done') {
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//update-begin---author:wangshuai ---date:20221121 for：[issues/248]原生表单内使用图片组件,关闭弹窗图片组件值不会被清空------------
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initTag.value = true;
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//update-end---author:wangshuai ---date:20221121 for：[issues/248]原生表单内使用图片组件,关闭弹窗图片组件值不会被清空------------
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fileUrls.push(file.response.message);
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}
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});
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if (file.status === 'removed') {
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handleDelete(file);
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}
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}
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// emitData.value = fileUrls.join(',');
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state.value = fileUrls.join(',');
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emit('update:value', fileUrls.join(','));
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}
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/**
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* 删除图片
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*/
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function handleDelete(file) {
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//如有需要新增 删除逻辑
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console.log(file);
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}
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/**
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* 预览图片
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*/
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function handlePreview(file) {
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previewImage.value = file.url || file.thumbUrl;
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previewVisible.value = true;
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}
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function getAvatarView() {
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if (uploadFileList.length > 0) {
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let url = uploadFileList[0].url;
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return getFileAccessHttpUrl(url, null);
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}
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}
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function handleCancel() {
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previewVisible.value = false;
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}
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return {
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state,
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attrs,
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previewImage,
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previewVisible,
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uploadFileList,
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multiple,
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headers,
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loading,
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uploadUrl,
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beforeUpload,
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uploadVisible,
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handlePreview,
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handleCancel,
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handleChange,
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};
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},
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});
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</script>
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<style scoped>
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.ant-upload-select-picture-card i {
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font-size: 32px;
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color: #999;
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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>
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