cloudNew/src/pages/about/u/index.tsx

import { connect } from "umi";
import React, { useRef, useState } from "react";
import ProCard from "@ant-design/pro-card";
import { MenuFoldOutlined } from "@ant-design/icons";
import type { FormInstance } from "antd";
import { Button, message, Space, Spin, Tree } from "antd";
import useRequest from "@ahooksjs/use-request";
import { getServerpartTree } from "@/services/options";
import type { ActionType } from "@ant-design/pro-table";
import ProTable from "@ant-design/pro-table";


const saleRankReport = (props: any) => {
  const { currentUser } = props
  const downloadBtnRef = useRef<any>()
  const actionRef = useRef<ActionType>();
  const formRef = useRef<FormInstance>();
  const [reqDetailList, setReqDetailList] = useState<any>(); // 合计项数据源
  const [printOut, setPrintOut] = useState<any>(); // 打印数据的内容
  const [collapsible, setCollapsible] = useState<boolean>(false)
  const [treeView, setTreeView] = useState<any>()
  const [printIndex, setPrintIndex] = useState<number>(new Date().getTime())


  // 树相关的属性和方法
  const [selectedId, setSelectedId] = useState<string>()
  // 导出的加载效果
  const [showLoading, setShowLoading] = useState<boolean>(false)
  // 是否显示打印的表格
  const [showExportTable, setShowExportTable] = useState<boolean>(false)
  // 查询的条件
  const [searchParams, setSearchParams] = useState<any>()

  const columns: any = []

  const exportTable = (e) => {
    e.stopPropagation();                                            // 防止Collapse组件收起
    const main = document.getElementsByClassName(`saleReportHideBox${printIndex}`)[0]
    const thead = main.querySelector('thead').cloneNode(true);  // 深克隆DOM节点
    const tbody = main.querySelector('tbody').cloneNode(true);  // 深克隆DOM节点
    const container = document.querySelector('#hiddenBox');

    const tempTable = document.createElement('table');
    tempTable.appendChild(thead);
    tempTable.appendChild(tbody);

    tempTable.setAttribute('id', 'table-to-xls-saleRankReport');                    // 给table添加id，值与按钮上的table字段对应

    container.appendChild(tempTable);                                // 把创建的节点添加到页面容器中

    setShowLoading(false)

    downloadBtnRef.current.handleDownload();
    setShowExportTable(false)
    tempTable.remove() // 防止重复打印一个内容
  }


  return (
    <div ref={(el) => {
      // 打印报表
      if (!reqDetailList || reqDetailList.length === 0) return;
      setPrintOut(el);
    }} >

      {
        showLoading ?
          <div
            style={{
              width: '100%',
              height: '100%',
              background: 'rgba(0,0,0,0.1)',
              position: 'fixed',
              zIndex: 5,
              display: 'flex',
              alignItems: 'center',
              justifyContent: 'center'
            }}
          >
            <div style={{
              display: 'flex',
              alignItems: 'center',
              justifyContent: 'center',
              padding: '15px 20px 10px',
              background: '#fff',
              borderRadius: '8px',
              width: '200px'
            }}>
              <Spin />
              <span style={{ marginLeft: '5px' }}>数据导出中...</span>
            </div>
          </div> : ''
      }

      <div className={`saleReportHideBox${printIndex}`} style={{ position: 'fixed', zIndex: -1, top: 0, left: 0 }}>
        {
          showExportTable && reqDetailList && reqDetailList.length > 0 ?
            <ProTable
              columns={columns}
              dataSource={reqDetailList}
              pagination={false}
              expandable={{
                defaultExpandAllRows: true
              }}
            /> : ''
        }
      </div>
      <div id='hiddenBox' style={{ position: 'fixed', zIndex: -1, top: 0, left: 0 }} />

      <div style={{ backgroundColor: '#fff', display: 'flex' }}>
        <div style={{
          width: !collapsible ? 'calc(100% - 300px)' : 'calc(100% - 60px)',
          paddingTop: 0,
          paddingBottom: 0,
          paddingRight: 0
        }}>
          <ProTable
            actionRef={actionRef}
            formRef={formRef}
            columns={columns}
            bordered
            expandable={{
              expandRowByClick: true
            }}
            headerTitle={<span style={{ color: "#1890ff", fontSize: 14, fontWeight: 600 }}>单品销售排行统计</span>}
            search={{ span: 6 }}
            request={async (params) => {
              if (!selectedId) {
                return
              }

              setSearchParams(params)
            }}
            toolbar={{
              actions: [
                <span style={{ visibility: 'hidden' }}>

                </span>,
                <Button
                  key="new"
                  type="primary"
                  onClick={(e) => {
                    if (reqDetailList && reqDetailList.length > 0) {
                      setShowLoading(true)
                      setTimeout(() => {
                        setShowExportTable(true)
                        setTimeout(() => {
                          exportTable(e)
                        }, 100)
                      }, 100)
                    } else {
                      message.error('暂无数据可导出！')
                    }
                  }}
                >
                  导出excel
                </Button>
              ]
            }}
          />
        </div>
      </div>
    </div>
  )
}

export default connect(({ user }: ConnectState) => ({
  currentUser: user.currentUser
}))(saleRankReport);