js下载excel示例demo

<Button
  type={"primary"}
  key="out"
  onClick={async ()=>{
    const ExportJsonExcel = require("js-export-excel");
    const datas = selectedRowsState //确保勾到的数据是一个列表，列表中每个值是字典
    const option = {};
    const dataTable = []
    if(datas){
      for (const i in datas){
        console.log("datas[i]",datas[i])
        const obj = {
          'gxdwbmjm':datas[i].gxdwbmjm,
          'lg_num':datas[i].lg_num,
          'fj_num':datas[i].fj_num,
          'cw_num':datas[i].cw_num,
          'ruzhu_num':datas[i].ruzhu_num,
          'zaizhu_num':datas[i].zaizhu_num,
          'ruzhu_rate':datas[i].ruzhu_rate,
        }
        dataTable.push(obj)
      }
    }
    option.fileName = "统计结果";
    option.datas = [
      {
        sheetData: dataTable,
        sheetName: "sheet",
        sheetFilter: ["gxdwbmjm","lg_num","fj_num", "cw_num","ruzhu_num","zaizhu_num","ruzhu_rate"],
        sheetHeader: ["地区","旅馆家数","房间数", "床位数","入住总人次","在住人数","入住率"],
        columnWidths: [10,10,10,10,10,10,10],
      }
    ];
    const toExcel = new ExportJsonExcel(option); //new
    toExcel.saveExcel(); //保存
  }}
>批量导出<DownOutlined/></Button>
当然使用之前需要安装js-export-excel才行，cmd去项目根目录执行命令安装：yarn add js-export-excel