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<script language="JavaScript" type="text/javascript">

 /* * 默認轉換實現函數，如果需要其他功能，需自行擴展
 * 參數：
 * tableID : HTML中Table對象id屬性值
 * 詳細用法參見以下 TableToExcel 對象定義
 */
 function saveAsExcel(tableID){
  var tb = new TableToExcel(tableID);
  tb.setFontStyle("Courier New");
  tb.setFontSize(10);
  tb.setTableBorder(2);
  tb.setColumnWidth(7);
  tb.isLineWrap(true);
  tb.getExcelFile();
 }
 /** 功能：HTML中Table對象轉換為Excel通用對象.
  * 參數：tableID HTML中Table對象的ID屬性值
  * 說明：
  * 能適應復雜的HTML中Table對象的自動轉換，能夠自動根據行列擴展信息
  * 合并Excel中的單元格，客戶端需要安裝有Excel
  * 詳細的屬性、方法引用說明參見：Excel的Microsoft Excel Visual Basic參考
  * 示范：
  * var tb = new TableToExcel('demoTable');
  * tb.setFontStyle("Courier New");
  * tb.setFontSize(10); //推薦取值10
  * tb.setFontColor(6); //一般情況不用設置
  * tb.setBackGround(4); //一般情況不用設置
  * tb.setTableBorder(2); //推薦取值2
  * tb.setColumnWidth(10); //推薦取值10
  * tb.isLineWrap(false);
  * tb.isAutoFit(true);
  * * tb.getExcelFile();
  * 如果設置了單元格自適應，則設置單元格寬度無效
  * 版本：1.0*/
  function TableToExcel(tableID) {
   this.tableBorder = -1; //邊框類型，-1沒有邊框 可取1/2/3/4
   this.backGround = 0; //背景顏色：白色 可取調色板中的顏色編號 1/2/3/4....
   this.fontColor = 1; //字體顏色：黑色
   this.fontSize = 10; //字體大小
   this.fontStyle = "宋體"; //字體類型
   this.rowHeight = 20; //行高
   this.columnWidth = -1; //列寬
   this.lineWrap = true; //是否自動換行
   this.textAlign = -4108; //內容對齊方式 默認為居中
   this.autoFit = true; //是否自適應寬度
   this.tableID = tableID;
  }
   TableToExcel.prototype.setTableBorder = function (excelBorder) {
    this.tableBorder = excelBorder ;
   };
   TableToExcel.prototype.setBackGround = function (excelColor) {
    this.backGround = excelColor;
   };
   TableToExcel.prototype.setFontColor = function (excelColor) {
    this.fontColor = excelColor;
   };
   TableToExcel.prototype.setFontSize = function (excelFontSize) {
    this.fontSize = excelFontSize;
   };
   TableToExcel.prototype.setFontStyle = function (excelFont) {
    this.fontStyle = excelFont;
   };
   TableToExcel.prototype.setRowHeight = function (excelRowHeight) {
    this.rowHeight = excelRowHeight;
   };
   TableToExcel.prototype.setColumnWidth = function (excelColumnWidth) {
    this.columnWidth = excelColumnWidth;
   };
   TableToExcel.prototype.isLineWrap = function (lineWrap) {
    if (lineWrap == false || lineWrap == true) {
     this.lineWrap = lineWrap;
    }
   };
   TableToExcel.prototype.setTextAlign = function (textAlign) {
    this.textAlign = textAlign;
   };
   TableToExcel.prototype.isAutoFit = function(autoFit){
    if(autoFit == true || autoFit == false)this.autoFit = autoFit ;
   }
   //文件轉換主函數
   TableToExcel.prototype.getExcelFile = function () {
   var jXls, myWorkbook, myWorksheet, myHTMLTableCell, myExcelCell, myExcelCell2;
   var myCellColSpan, myCellRowSpan;
   try {
    jXls = new ActiveXObject('Excel.Application');
   }catch (e) {
    alert("無法啟動Excel!\n\n如果您確信您的電腦中已經安裝了Excel，"+"那么請調整IE的安全級別。\n\n具體操作：\n\n"+"工具 → Internet選項 → 安全 → 自定義級別 → 對沒有標記為安全的ActiveX進行初始化和腳本運行 → 啟用");
    return false;
   }
   jXls.Visible = true;
   myWorkbook = jXls.Workbooks.Add();
   jXls.DisplayAlerts = false;
   myWorkbook.Worksheets(3).Delete();
   myWorkbook.Worksheets(2).Delete();
   jXls.DisplayAlerts = true;
   myWorksheet = myWorkbook.ActiveSheet;
   var readRow = 0, readCol = 0;var totalRow = 0, totalCol = 0;
   var tabNum = 0;
   //設置行高、列寬
   if(this.columnWidth != -1)
    myWorksheet.Columns.ColumnWidth = this.columnWidth;
   else
    myWorksheet.Columns.ColumnWidth = 7;
   if(this.rowHeight != -1)
    myWorksheet.Rows.RowHeight = this.rowHeight ;
   //搜索需要轉換的Table對象，獲取對應行、列數
   var obj = document.all.tags("table");
   for (x = 0; x < obj.length; x++) {
    if (obj[x].id == this.tableID) {
     tabNum = x;
     totalRow = obj[x].rows.length;
     for (i = 0; i < obj[x].rows[0].cells.length; i++) {
      myHTMLTableCell = obj[x].rows(0).cells(i);
      myCellColSpan = myHTMLTableCell.colSpan;
      totalCol = totalCol + myCellColSpan;
     }
    }
   }
   //開始構件模擬表格
   var excelTable = new Array();
   for (i = 0; i <= totalRow; i++) {
    excelTable[i] = new Array();
    for (t = 0; t <= totalCol; t++) {
     excelTable[i][t] = false;
    }
   }
   //開始轉換表格
   for (z = 0; z < obj[tabNum].rows.length; z++) {
    readRow = z + 1;
    readCol = 0;
    for (c = 0; c < obj[tabNum].rows(z).cells.length; c++) {
     myHTMLTableCell = obj[tabNum].rows(z).cells(c);
     myCellColSpan = myHTMLTableCell.colSpan;
     myCellRowSpan = myHTMLTableCell.rowSpan;
     for (y = 1; y <= totalCol; y++) {
      if (excelTable[readRow][y] == false) {
       readCol = y;
       break;
      }
     }
     if (myCellColSpan * myCellRowSpan > 1) {
      myExcelCell = myWorksheet.Cells(readRow, readCol);
      myExcelCell2 = myWorksheet.Cells(readRow + myCellRowSpan - 1, readCol + myCellColSpan - 1);
      myWorksheet.Range(myExcelCell, myExcelCell2).Merge();
      myExcelCell.HorizontalAlignment = this.textAlign;
      myExcelCell.Font.Size = this.fontSize;
      myExcelCell.Font.Name = this.fontStyle;
      myExcelCell.wrapText = this.lineWrap;
      myExcelCell.Interior.ColorIndex = this.backGround;
      myExcelCell.Font.ColorIndex = this.fontColor;
      if(this.tableBorder != -1){
       myWorksheet.Range(myExcelCell, myExcelCell2).Borders(1).Weight = this.tableBorder ;
       myWorksheet.Range(myExcelCell, myExcelCell2).Borders(2).Weight = this.tableBorder ;
       myWorksheet.Range(myExcelCell, myExcelCell2).Borders(3).Weight = this.tableBorder ;
       myWorksheet.Range(myExcelCell, myExcelCell2).Borders(4).Weight = this.tableBorder ;
      }
      myExcelCell.Value = myHTMLTableCell.innerText;
      for (row = readRow; row <= myCellRowSpan + readRow - 1; row++) {
       for (col = readCol; col <= myCellColSpan + readCol - 1; col++) {
        excelTable[row][col] = true;
       }
      }
      readCol = readCol + myCellColSpan;
     } else {
      myExcelCell = myWorksheet.Cells(readRow, readCol);
      myExcelCell.Value = myHTMLTableCell.innerText;
      myExcelCell.HorizontalAlignment = this.textAlign;
      myExcelCell.Font.Size = this.fontSize;
      myExcelCell.Font.Name = this.fontStyle;
      myExcelCell.wrapText = this.lineWrap;
      myExcelCell.Interior.ColorIndex = this.backGround;
      myExcelCell.Font.ColorIndex = this.fontColor;
      if(this.tableBorder != -1){
       myExcelCell.Borders(1).Weight = this.tableBorder ;
       myExcelCell.Borders(2).Weight = this.tableBorder ;
       myExcelCell.Borders(3).Weight = this.tableBorder ;
       myExcelCell.Borders(4).Weight = this.tableBorder ;
      }
      excelTable[readRow][readCol] = true;readCol = readCol + 1;
     }
    }
   }
   if(this.autoFit == true)
    myWorksheet.Columns.AutoFit;
   jXls.UserControl = true;
   jXls = null;
   myWorkbook = null;
   myWorksheet = null;
  };

</script>