/*
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* @Company: hugeInfo
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* @Author: ldh
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* @Date: 2022-03-11 11:03:44
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* @LastEditTime: 2022-11-08 14:26:02
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* @LastEditors: ldh
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* @Version: 1.0.0
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* @Description: 材料附件查看
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* 附件类型对照
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NULL("22_00017-0","未分类"),
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AUDIO("22_00017-1", "音频"),
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VIDEO("22_00017-2", "视频"),
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IMAGE("22_00017-3", "图片"),
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WORD("22_00017-4", "Word文档"),
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EXCEL("22_00017-5", "Excel表格"),
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PDF("22_00017-6", "PDF"),
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TXT("22_00017-7", "txt文本"),
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ZIP("22_00017--8", "压缩文件"),
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POWERPOINT("22_00017-9", "PowerPoint"),
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UNKNOWN("22_00017-99", "其它文件");
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*/
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import React, { useState, useEffect, useRef } from 'react';
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import { Button, Menu, Tooltip } from 'antd';
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import { useSearchParams } from 'react-router-dom';
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import {
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FolderOpenOutlined,
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FolderOutlined,
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FileOutlined,
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FileImageOutlined,
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FilePdfOutlined,
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FileWordOutlined,
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FileExcelOutlined,
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RotateRightOutlined,
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RotateLeftOutlined,
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DownloadOutlined,
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LeftOutlined,
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RightOutlined,
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} from '@ant-design/icons';
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import * as $$ from '../../utils/utility';
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const { SubMenu } = Menu;
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// 获取附件
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function getFileListDataApi(submitData) {
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return $$.ax.request({ url: `caseInfo/listCaseFile?caseId=${submitData}`, type: 'get', service: 'mediate' });
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}
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const FilesCheck = ({ caseId }) => {
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let appUrl = $$.appUrl;
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const [searchParams] = useSearchParams();
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const fileId = searchParams.get('fileId');
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const [data, setData] = useState([]);
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const [openKeys, setOpenKeys] = useState([]);
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// files数组
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const [files, setFiles] = useState([{}]);
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// 当前点击的file的index
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const [fileIndex, setFileIndex] = useState(0);
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const imgBgRef = useRef();
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const imgRef = useRef();
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// 图片旋转
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function handleRotateImg(type) {
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if (!imgRef || !imgRef.current) {
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return false;
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}
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let transform = imgRef.current.style.transform,
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reg = /(-)?[0-9][0-9]*/g,
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arr = transform.split('rotate'),
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rotate = Number(transform.match(reg)[4] || 0),
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num = 0;
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if (type === 'right') {
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num = rotate + 90;
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} else {
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num = rotate + -90;
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}
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imgRef.current.style.transform = `${arr[0]}rotate(${num}deg)`;
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}
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// 监听图片滚动事件放大，缩小
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function imgScrollFunc(e) {
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if (!imgRef || !imgRef.current) {
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return false;
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}
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let transform = imgRef.current.style.transform,
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reg = /\((.+?)\)/g,
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scale3d = transform.match(reg)[0],
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scale3dNum = scale3d.substring(1, 2);
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let num = Number(scale3dNum);
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if (e.wheelDelta) {
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//判断浏览器IE，谷歌滑轮事件
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if (e.wheelDelta > 0) {
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//当滑轮向上滚动时
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num = num + 1;
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}
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if (e.wheelDelta < 0) {
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//当滑轮向下滚动时
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num = num - 1;
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}
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} else if (e.detail) {
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//Firefox滑轮事件
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if (e.detail > 0) {
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//当滑轮向上滚动时
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num = num + 1;
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}
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if (e.detail < 0) {
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//当滑轮向下滚动时
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num = num - 1;
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}
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}
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let res = `scale3d(${num < 1 ? 1 : num},${num < 1 ? 1 : num},1) rotate${transform.match(reg)[1]}`;
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imgRef.current.style.transform = res;
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}
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// 判断文件的icon
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function iconType(fileType) {
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let result = <FileOutlined />;
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if (fileType === '22_00017-3') {
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result = <FileImageOutlined />;
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}
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if (fileType === '22_00017-5') {
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result = <FileExcelOutlined />;
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}
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if (fileType === '22_00017-4') {
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result = <FileWordOutlined />;
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}
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if (fileType === '22_00017-6') {
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result = <FilePdfOutlined />;
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}
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return result;
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}
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// 切换下一个，上一个
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async function handleNext(type) {
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global.setSpinning(true);
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let index = fileIndex + (type === 'next' ? 1 : -1);
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if (files[index]) {
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setFileIndex(index);
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} else {
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global.setSpinning(false);
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if (index < 0) {
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setFileIndex(files.length - 1);
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return;
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}
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setFileIndex(0);
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}
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}
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// 获取附件数据
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async function getFileListData() {
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global.setSpinning(true);
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const res = await getFileListDataApi(caseId || searchParams.get('caseId'));
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global.setSpinning(false);
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if (res.type) {
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let resData = res.data?.dataList || [];
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let arr = [];
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let filesArr = [];
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let index = 0;
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resData.forEach((x, t) => {
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arr.push(x.ownerTypeName);
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filesArr = filesArr.concat(x.fileList || []);
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});
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forEach: for (let i = 0; i < filesArr.length - 1; i++) {
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if (filesArr[i].id === fileId) {
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index = i;
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break forEach;
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}
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}
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setData({ data: resData, caseNo: res.data?.caseNo });
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setFileIndex(index);
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setFiles(filesArr);
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setOpenKeys(arr);
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}
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}
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useEffect(() => {
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getFileListData();
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}, []);
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// 监听鼠标滚动事件
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useEffect(() => {
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if (imgRef.current) {
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imgRef.current.onload = () => {
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imgBgRef.current.onmousewheel = imgScrollFunc;
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};
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}
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}, [files]);
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// 切换文件加载
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useEffect(() => {
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if (imgRef.current) {
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imgRef.current.src = `${appUrl.fileUrl}${appUrl.fileShowUrl}${files[fileIndex]?.id}`;
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imgRef.current.onload = () => {
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global.setSpinning(false, 'only');
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};
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} else {
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global.setSpinning(false, 'only');
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}
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}, [appUrl.fileShowUrl, fileIndex, appUrl.baseUrl, files]);
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return (
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<>
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<nav className="filesCheck-nav">
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<div className="filesCheck-nav-title">{data.caseNo || '-'}</div>
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<Menu
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className="filesCheck-nav-menu"
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style={{ width: '200px' }}
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onOpenChange={(openKeys) => setOpenKeys(openKeys)}
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mode="inline"
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selectedKeys={[files[fileIndex]?.id]}
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openKeys={openKeys}
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>
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{data.data?.map((x, t) => {
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return (
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<SubMenu
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key={x.ownerTypeName}
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icon={openKeys.includes(x.ownerTypeName) ? <FolderOpenOutlined /> : <FolderOutlined />}
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title={x.ownerTypeName}
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>
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{x.fileList?.map((y, z) => {
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return (
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<Menu.Item
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onClick={async () => {
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global.setSpinning(true);
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for (let i = 0; i < files.length; i++) {
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if (files[i].id === y.id) {
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setFileIndex(i);
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break;
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}
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}
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}}
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icon={iconType(y.cat)}
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key={y.id}
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>
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{y.name}
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</Menu.Item>
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);
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})}
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</SubMenu>
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);
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})}
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</Menu>
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</nav>
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{files[fileIndex] ? (
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<main className="filesCheck-main">
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{/* 头部操作区 */}
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<div className="filesCheck-main-action">
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<div className="filesCheck-main-action-title">
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<h3>{files[fileIndex]?.name}</h3>
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</div>
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{files[fileIndex]?.cat === '22_00017-3' && (
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<>
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<div className="filesCheck-main-action-item">
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<Tooltip title="左转">
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<RotateLeftOutlined onClick={() => handleRotateImg('left')} />
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</Tooltip>
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</div>
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<div className="filesCheck-main-action-item">
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<Tooltip title="右转">
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<RotateRightOutlined onClick={() => handleRotateImg('right')} />
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</Tooltip>
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</div>
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</>
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)}
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<div className="filesCheck-main-action-item">
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<Tooltip title="下载">
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<a href={`${appUrl.fileUrl}${appUrl.fileDownUrl}${files[fileIndex]?.id}`}>
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<DownloadOutlined />
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</a>
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</Tooltip>
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</div>
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</div>
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{files[fileIndex]?.cat === '22_00017-3' ? (
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<div className="filesCheck-main-imgBg" ref={imgBgRef}>
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<img
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ref={imgRef}
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style={{ transform: 'scale3d(1,1,1) rotate(0deg)' }}
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className="filesCheck-main-img"
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src={`${appUrl.fileUrl}${appUrl.fileShowUrl}${files[fileIndex]?.id}`}
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alt="图片加载中..."
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/>
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</div>
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) : (
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<div className="filesCheck-main-other">
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<div className="filesCheck-main-other-icon">{iconType(files[fileIndex]?.cat)}</div>
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<div className="filesCheck-main-other-text">
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您所查看的附件不支持预览，请下载查看{files[fileIndex]?.cat === '22_00017-6' ? '或跳转预览' : ''}。
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</div>
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<div>
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{files[fileIndex]?.cat === '22_00017-6' && (
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<Button
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className="public-buttonMargin"
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onClick={() => window.open(`${appUrl.fileUrl}${appUrl.fileShowUrl}${files[fileIndex]?.id}`)}
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>
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跳转查看
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</Button>
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)}
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<a href={`${appUrl.fileUrl}${appUrl.fileDownUrl}${files[fileIndex]?.id}`}>
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<Button type="primary">下载</Button>
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</a>
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</div>
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</div>
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)}
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<div className="filesCheck-imgLeft" onClick={() => handleNext('back')}>
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<LeftOutlined />
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</div>
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<div className="filesCheck-imgRight" onClick={() => handleNext('next')}>
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<RightOutlined />
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</div>
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</main>
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) : (
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<div style={{ width: '100%', paddingTop: '20%' }}>{$$.MyEmpty()}</div>
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)}
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</>
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);
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};
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export default FilesCheck;
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