text: /* eslint-disable */
  require('script-loader!file-saver');
  require('script-loader!./Blob');
  import XLSX from 'xlsx'
  
  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) {
      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);
      var oo = generateArray(theTable);
      var ranges = oo[1];
  
      /* original data */
      var data = oo[0];
      var ws_name = "SheetJS";
  
      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")
  }
  
  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);
  
      /*设置worksheet每列的最大宽度*/
      const colWidth = data.map(row => row.map(val => {
        /*先判断是否为null/undefined*/
        if (val == null) {
          return {'wch': 10};
        }
        /*再判断是否为中文*/
        else if (val.toString().charCodeAt(0) > 255) {
          return {'wch': val.toString().length * 2};
        } else {
          return {'wch': val.toString().length};
        }
      }))
      /*以第一行为初始值*/
      let result = colWidth[0];
      for (let i = 1; i < colWidth.length; i++) {
        for (let j = 0; j < colWidth[i].length; j++) {
          if (result[j]['wch'] < colWidth[i][j]['wch']) {
            result[j]['wch'] = colWidth[i][j]['wch'];
          }
        }
      }
      ws['!cols'] = result;
  
      /* 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")
  }
  