Element 表格導出爲Excel表格

1、安裝xlsx和filesaver

npm install --save xlsx file-saver

2、在表格組件中引入安裝的2個文件

import FileSaver from "file-saver";

import XLSX from "xlsx";

3、HTML結構

<el-table :data="tableData3" style="width: 500px" height="250" id="table">
      <el-table-column fixed prop="date" label="日期" width="150"></el-table-column>
      <el-table-column prop="name" label="姓名" width="120"></el-table-column>
      <el-table-column prop="province" label="省份" width="120"></el-table-column>
      <el-table-column prop="city" label="市區" width="120"></el-table-column>
      <el-table-column prop="address" label="地址" width="300"></el-table-column>
      <el-table-column prop="zip" label="郵編" width="120"></el-table-column>
    </el-table>
    <el-button type="success" style="margin-top:20px;" @click="exportExcel">導出</el-button>

 4、導出的方法

methods: {
      exportExcel() {
          // out-table 關聯導出的DOM節點
          var fixed = document.querySelector(".el-table__fixed");
          var excelTitle = "標題";
          var wb = XLSX.utils.table_to_book(document.querySelector("#table"));
          /* get binary string as output */
          var wbout = XLSX.write(wb, {
              bookType: "xlsx",
              bookSST: true,
              type: "array"
          });
          try {
              FileSaver.saveAs(
                  new Blob([wbout], { type: "application/octet-stream" }),
                  excelTitle + ".xlsx"
              );
          } catch (e) {
              if (typeof console !== "undefined") console.log(e, wbout);
          }
          return wbout;
      }
  }

在頁面點擊導出按鈕時能夠正常導出，可是若是左邊有固定的列，相同的數據會導出2遍，能夠作以下修改：

methods: {
    exportExcel() {
      // table 關聯導出的DOM節點
      var fixed = document.querySelector(".el-table__fixed");
      var wb;
      var excelTitle = "標題";
      if (fixed) {
        wb = XLSX.utils.table_to_book(
          document.querySelector("#table").removeChild(fixed)
        );
        document.querySelector("#table").appendChild(fixed);
      } else {
        wb = XLSX.utils.table_to_book(document.querySelector("#table"));
      }

      /* get binary string as output */
      var wbout = XLSX.write(wb, {
        bookType: "xlsx",
        bookSST: true,
        type: "array"
      });
      try {
        FileSaver.saveAs(
          new Blob([wbout], { type: "application/octet-stream" }),
          excelTitle + ".xlsx"
        );
      } catch (e) {
        if (typeof console !== "undefined") console.log(e, wbout);
      }
      return wbout;
    }
  }