text: //Export2Excel.js
  require("script-loader!file-saver");
  require("./Blob.js"); //转二进制用  引入项目中的blob的实际路径
  require("script-loader!xlsx/dist/xlsx.core.min");
  
  function generateArray(table) {
    var out = [];
    var rows = table.querySelectorAll("tr");
    var ranges = [];
    for (var R = 0; R < rows.length; ++R) {
      var outRow = [];
      var row = rows[R];
      var columns = row.querySelectorAll("td");
      for (var C = 0; C < columns.length; ++C) {
        var cell = columns[C];
        var colspan = cell.getAttribute("colspan");
        var rowspan = cell.getAttribute("rowspan");
        var cellValue = cell.innerText;
        if (cellValue !== "" && cellValue == +cellValue) cellValue = +cellValue;
  
        //Skip ranges
        ranges.forEach(function (range) {
          if (
            R >= range.s.r &&
            R <= range.e.r &&
            outRow.length >= range.s.c &&
            outRow.length <= range.e.c
          ) {
            for (var i = 0; i <= range.e.c - range.s.c; ++i) outRow.push(null);
          }
        });
  
        //Handle Row Span
        if (rowspan || colspan) {
          rowspan = rowspan || 1;
          colspan = colspan || 1;
          ranges.push({
            s: {
              r: R,
              c: outRow.length
            },
            e: {
              r: R + rowspan - 1,
              c: outRow.length + colspan - 1
            }
          });
        }
  
        //Handle Value
        outRow.push(cellValue !== "" ? cellValue : null);
  
        //Handle Colspan
        if (colspan)
          for (var k = 0; k < colspan - 1; ++k) outRow.push(null);
      }
      out.push(outRow);
    }
    return [out, ranges];
  }
  
  function datenum(v, date1904) {
    if (date1904) v += 1462;
    var epoch = Date.parse(v);
    return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000);
  }
  
  // function sheet_from_array_of_arrays(data, opts) {
  function sheet_from_array_of_arrays(data) {
    var ws = {};
    var range = {
      s: {
        c: 10000000,
        r: 10000000
      },
      e: {
        c: 0,
        r: 0
      }
    };
    for (var R = 0; R != data.length; ++R) {
      for (var C = 0; C != data[R].length; ++C) {
        if (range.s.r > R) range.s.r = R;
        if (range.s.c > C) range.s.c = C;
        if (range.e.r < R) range.e.r = R;
        if (range.e.c < C) range.e.c = C;
        var cell = {
          v: data[R][C]
        };
        if (cell.v == null) continue;
        var cell_ref = XLSX.utils.encode_cell({
          c: C,
          r: R
        });
  
        if (typeof cell.v === "number") cell.t = "n";
        else if (typeof cell.v === "boolean") cell.t = "b";
        else if (cell.v instanceof Date) {
          cell.t = "n";
          cell.z = XLSX.SSF._table[14];
          cell.v = datenum(cell.v);
        } else cell.t = "s";
  
        ws[cell_ref] = cell;
      }
    }
    if (range.s.c < 10000000) ws["!ref"] = XLSX.utils.encode_range(range);
    return ws;
  }
  
  function Workbook() {
    if (!(this instanceof Workbook)) return new Workbook();
    this.SheetNames = [];
    this.Sheets = {};
  }
  
  function s2ab(s) {
    var buf = new ArrayBuffer(s.length);
    var view = new Uint8Array(buf);
    for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xff;
    return buf;
  }
  
  export function export_table_to_excel(id) {
    var theTable = document.getElementById(id);
    console.log("a");
    var oo = generateArray(theTable);
    var ranges = oo[1];
  
    /* original data */
    var data = oo[0];
    var ws_name = "SheetJS";
    console.log(data);
  
    var wb = new Workbook(),
      ws = sheet_from_array_of_arrays(data);
  
    /* add ranges to worksheet */
    // ws['!cols'] = ['apple', 'banan'];
    ws["!merges"] = ranges;
  
    /* add worksheet to workbook */
    wb.SheetNames.push(ws_name);
    wb.Sheets[ws_name] = ws;
  
    var wbout = XLSX.write(wb, {
      bookType: "xlsx",
      bookSST: false,
      type: "binary"
    });
  
    saveAs(
      new Blob([s2ab(wbout)], {
        type: "application/octet-stream"
      }),
      "test.xlsx"
    );
  }
  
  // function formatJson(jsonData) {
  //   console.log(jsonData);
  // }
  export function export_json_to_excel(th, jsonData, defaultTitle) {
    /* original data */
  
    var data = jsonData;
    data.unshift(th);
    var ws_name = "SheetJS";
  
    var wb = new Workbook(),
      ws = sheet_from_array_of_arrays(data);
  
    /* add worksheet to workbook */
    wb.SheetNames.push(ws_name);
    wb.Sheets[ws_name] = ws;
  
    var wbout = XLSX.write(wb, {
      bookType: "xlsx",
      bookSST: false,
      type: "binary"
    });
    var title = defaultTitle || "列表";
    saveAs(
      new Blob([s2ab(wbout)], {
        type: "application/octet-stream"
      }),
      title + ".xlsx"
    );
  }