Jsp中的table多表头导出excel文件具体实现(2)

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;

//设置行高、列宽
    if(this.columnWidth != -1)
     myWorksheet.Columns.ColumnWidth = this.columnWidth;
    else
     myWorksheet.Columns.ColumnWidth = 7;
    if(this.rowHeight != -1)
     myWorksheet.Rows.RowHeight = this.rowHeight ;

//搜索需要转换的Table对象，获取对应行、列数
    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;
            }
        }
    }

//开始构件模拟表格
    var excelTable = new Array();
    for (i = 0; i <= totalRow; i++) {
        excelTable[i] = new Array();
        for (t = 0; t <= totalCol; t++) {
            excelTable[i][t] = false;
        }
    }

//开始转换表格   
    for (z = 0; z < obj[tabNum].rows.length; z++) {
        readRow = z + 1;
        readCol = 1;
        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 ;
                }