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+import { MessageFu } from "@/utils/message";
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+import { Button, Form, Input, Modal, Popconfirm, Radio } from "antd";
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+import React, { useCallback, useEffect, useRef, useState } from "react";
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+import { PlusOutlined, CloseOutlined } from "@ant-design/icons";
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+import classNames from "classnames";
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+import styles from "./index.module.scss";
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+
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+import ImageLazy from "@/components/ImageLazy";
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+type Props = {
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+ id: number;
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+ closeMoalFu: () => void;
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+ upListFu: () => void;
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+};
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+
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+type ImgListType = {
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+ fileName?: string;
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+ filePath?: string;
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+ id?: number;
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+};
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+
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+// 上传附件的进度条
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+const UpAsyncLodingDom: any = document.querySelector("#UpAsyncLoding");
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+const progressDom: any = document.querySelector("#progress");
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+
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+function WallAdd({ id, closeMoalFu, upListFu }: Props) {
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+ // 表单的ref
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+ const FormBoxRef = useRef<any>({});
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+ // 上传封面图的ref
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+ const myInput = useRef<HTMLInputElement>(null);
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+
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+ // 版式的选择
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+ const [imgNum, setImgNum] = useState(1);
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+
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+ // 上传图片的校验
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+ const [imgCheck, setImgCheck] = useState(false);
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+
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+ // 上传图片的全部数据(最多8张来进行切割)
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+ const imgListRef = useRef<ImgListType[]>([
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+ { id: 1, fileName: "xxx", filePath: "/wall/img/20230202_12193909316.jpg" },
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+ { id: 2, fileName: "xxx", filePath: "/wall/img/20230209_1519270201.gif" },
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+ { id: 3, fileName: "xxx", filePath: "/wall/img/20230202_12193909316.jpg" },
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+ { id: 4, fileName: "xxx", filePath: "/wall/img/20230209_1519270201.gif" },
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+ { id: 5, fileName: "xxx", filePath: "/wall/img/20230202_12193909316.jpg" },
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+ { id: 6, fileName: "xxx", filePath: "/wall/img/20230209_1519270201.gif" },
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+ { id: 7, fileName: "xxx", filePath: "/wall/img/20230202_12193909316.jpg" },
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+ { id: 8, fileName: "xxx", filePath: "/wall/img/20230209_1519270201.gif" },
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+ ]);
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+
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+ // 在页面展示的图片
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+ const [imgList, setImgList] = useState<ImgListType[]>([]);
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+
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+ // 版式的选择改变,切割数组
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+ useEffect(() => {
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+ if (imgListRef.current.length) {
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+ const newData = imgListRef.current.slice(0, imgNum);
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+ setImgList(newData);
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+ }
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+ }, [imgNum]);
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+
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+ // ---------附件图片的拖动
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+ const [dragImg, setDragImg] = useState<any>(null);
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+
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+ const handleDragOver = useCallback(
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+ (e: React.DragEvent<HTMLDivElement>, item: ImgListType) => {
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+ e.dataTransfer.dropEffect = "move";
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+ },
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+ []
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+ );
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+
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+ const handleDragEnter = useCallback(
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+ (e: React.DragEvent<HTMLDivElement>, item: ImgListType) => {
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+ e.dataTransfer.effectAllowed = "move";
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+ if (item === dragImg) return;
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+ const newItems = [...imgList]; //拷贝一份数据进行交换操作。
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+ const src = newItems.indexOf(dragImg); //获取数组下标
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+ const dst = newItems.indexOf(item);
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+ newItems.splice(dst, 0, ...newItems.splice(src, 1)); //交换位置
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+ setImgList(newItems);
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+ },
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+ [dragImg, imgList]
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+ );
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+
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+ // 删除某一张图片
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+ const delImgListFu = useCallback(
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+ (id: number) => {
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+ const newItems = imgList.filter((v) => v.id !== id);
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+ setImgList(newItems);
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+ imgListRef.current = imgListRef.current.filter((v) => v.id !== id);
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+ },
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+ [imgList]
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+ );
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+
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+ // 没有通过校验
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+ const onFinishFailed = useCallback(() => {
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+ setImgCheck(true);
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+ }, []);
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+
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+ // 上传封面图
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+ const handeUpPhoto = useCallback(
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+ async (e: React.ChangeEvent<HTMLInputElement>) => {
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+ if (e.target.files) {
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+ // 拿到files信息
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+ const filesInfo = e.target.files[0];
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+ // 校验格式
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+ const type = ["image/jpeg", "image/png"];
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+ if (!type.includes(filesInfo.type)) {
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+ e.target.value = "";
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+ return MessageFu.warning("只支持jpg、png格式!");
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+ }
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+ // 校验大小
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+ if (filesInfo.size > 30 * 1024 * 1024) {
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+ e.target.value = "";
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+ return MessageFu.warning("最大支持30M!");
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+ }
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+ // 创建FormData对象
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+ const fd = new FormData();
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+ // 把files添加进FormData对象(‘photo’为后端需要的字段)
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+ fd.append("type", "thumb");
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+ fd.append("file", filesInfo);
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+
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+ e.target.value = "";
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+
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+ // const res: any = await goodsUploadAPI(fd);
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+ // if (res.code === 0) {
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+ // MessageFu.success("上传成功!");
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+ // setCover(res.data.filePath);
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+ // }
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+ UpAsyncLodingDom.style.opacity = 0;
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+ progressDom.style.width = "0%";
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+ }
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+ },
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+ []
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+ );
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+
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+ // 通过校验点击确定
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+ const onFinish = useCallback(() => {
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+ console.log("通过校验,点击确定");
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+ setImgCheck(true);
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+ if (imgList.length < imgNum) return;
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+ }, [imgList.length, imgNum]);
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+
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+ return (
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+ <div className={styles.WallAdd}>
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+ <div className="WallTableTitle">
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+ <div className="txt">{id > 0 ? "编辑海报" : "新增海报"}</div>
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+ <div className="main">
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+ <Form
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+ ref={FormBoxRef}
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+ name="basic"
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+ labelCol={{ span: 3 }}
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+ onFinish={onFinish}
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+ onFinishFailed={onFinishFailed}
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+ autoComplete="off"
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+ >
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+ <Form.Item
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+ label="名称"
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+ name="name"
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+ rules={[{ required: true, message: "请输名称!" }]}
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+ getValueFromEvent={(e) => e.target.value.replace(/\s+/g, "")}
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+ >
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+ <Input maxLength={25} showCount placeholder="请输入内容" />
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+ </Form.Item>
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+
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+ <div className="myformBox">
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+ <div className="label">
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+ <span>*</span> 版式:
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+ </div>
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+ <div className="myformBoxR">
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+ <Radio.Group
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+ onChange={(e) => setImgNum(e.target.value)}
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+ value={imgNum}
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+ >
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+ <Radio value={1}>1</Radio>
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+ <Radio value={2}>2</Radio>
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+ <Radio value={4}>4</Radio>
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+ <Radio value={6}>6</Radio>
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+ <Radio value={8}>8</Radio>
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+ </Radio.Group>
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+ </div>
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+ </div>
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+
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+ {/* 图片上传 */}
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+ <div className="myformBox myformBox0">
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+ <input
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+ id="upInput"
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+ type="file"
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+ accept=".png,.jpg,.jpeg"
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+ ref={myInput}
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+ onChange={(e) => handeUpPhoto(e)}
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+ />
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+
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+ <div className="label"></div>
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+ <div className="myformBoxR">
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+ <div className="fileBoxRow_r">
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+ <div className="upImgBox">
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+ <div
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+ hidden={imgList.length >= imgNum}
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+ className="fileBoxRow_up"
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+ onClick={() => myInput.current?.click()}
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+ >
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+ <PlusOutlined />
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+ </div>
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+ {imgList.map((v) => (
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+ <div
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+ className="fileBoxRow_r_img"
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+ key={v.id}
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+ draggable="true"
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+ onDragStart={() => setDragImg(v)}
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+ onDragOver={(e) => handleDragOver(e, v)}
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+ onDragEnter={(e) => handleDragEnter(e, v)}
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+ onDragEnd={() => setDragImg(null)}
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+ >
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+ {v.filePath ? (
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+ <ImageLazy
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+ noLook={dragImg ? true : false}
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+ width={100}
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+ height={100}
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+ src={v.filePath}
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+ />
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+ ) : null}
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+
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+ <Popconfirm
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+ title="删除后无法恢复,是否删除?"
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+ okText="删除"
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+ cancelText="取消"
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+ onConfirm={() => delImgListFu(v.id!)}
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+ >
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+ <div className="clearCover">
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+ <CloseOutlined />
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+ </div>
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+ </Popconfirm>
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+ </div>
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+ ))}
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+ </div>
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+ <div className="fileTit">
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+ {imgList.length && imgList.length >= 2 ? (
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+ <>
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+ 按住鼠标可拖动图片调整顺序。
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+ <br />
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+ </>
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+ ) : null}
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+ 建议尺寸:{12960 / imgNum}*1920
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+ <br />
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+ 支持png、jpg和jpeg的图片格式;最大支持30M。
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+ </div>
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+ </div>
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+ </div>
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+ </div>
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+
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+ {/* 校验提示 */}
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+ <div
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+ className={classNames(
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+ "noUpThumb",
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+ imgList.length < imgNum && imgCheck ? "noUpThumbAc" : ""
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+ )}
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+ >
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+ 请上传 {imgNum} 张图片!
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+ </div>
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+
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+ {/* 确定和取消按钮 */}
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+ <br />
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+ <Form.Item wrapperCol={{ offset: 9, span: 16 }}>
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+ <Button type="primary" htmlType="submit">
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+ 提交
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+ </Button>
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+  
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+ <Button>预览效果</Button>
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+  
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+ <Popconfirm
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+ title="放弃编辑后,信息将不会保存!"
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+ okText="放弃"
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+ cancelText="取消"
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+ onConfirm={closeMoalFu}
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+ >
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+ <Button>取消</Button>
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+ </Popconfirm>
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+ </Form.Item>
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+ </Form>
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+ </div>
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+ </div>
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+ </div>
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+ );
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+}
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+
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+const MemoWallAdd = React.memo(WallAdd);
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+
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+export default MemoWallAdd;
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