c#对Excel操作

本代码可以对Excel生成自定义的交叉表头，可以制作自定义的交叉报表。

代码使用的是Owc11库，要先安装这个库，再将其引用到项目中。

对excel主要的操作有：

1.新建excel进程

2.获得操作范围

3.对单元格进行纵向横向合并

4.设置样式

5.导出

6.以网面形式显示


private void button1_Click(object sender, EventArgs e)




...{




Microsoft.Office.Interop.Owc11.SpreadsheetClass xlsheet = new Microsoft.Office.Interop.Owc11.SpreadsheetClass();




FillInLeft(1, xlsheet, sList, xLevel);




try




...{


//导出


xlsheet.Export("../../TestOWC.htm", Microsoft.Office.Interop.Owc11.SheetExportActionEnum.ssExportActionNone, Microsoft.Office.Interop.Owc11.SheetExportFormat.ssExportHTML);


}


catch




...{


MessageBox.Show("Export Error!");


}




string strFileName = @"D:TestOWC.htm";


Object refmissing = System.Reflection.Missing.Value;


axWebBrowser1.Navigate(strFileName, ref refmissing, ref refmissing, ref refmissing, ref refmissing);




}




private void FillInLeft(int beginRow, Microsoft.Office.Interop.Owc11.SpreadsheetClass xlsheet, Stack sList, int xlevel)




...{//xml中的节点写入Excel的顺序是：由上往上，由左往右


//beginRow:从第几行开始写入　xlsheet:目的Excel文件　sList:存入节点的堆栈　xlevle:深度


int row = beginRow; //int row = ((node)sList.Peek()).i;


while (sList.Count > 0)




...{


node node1 = (node)sList.Pop();


if (node1.i > 1)




...{//有子节点且子节点在2个以上,需纵向合并


xlsheet.get_Range(xlsheet.Cells[row, node1.j], xlsheet.Cells[row + node1.i - 1, node1.j]).set_MergeCells(true);


}


if (node1.i == 0)




...{


if (node1.j < xlevel)




...{//叶节点不在最下层，则横向合并


xlsheet.get_Range(xlsheet.Cells[row, node1.j], xlsheet.Cells[row, xlevel]).set_MergeCells(true);


}


}


xlsheet.Cells[row, node1.j] = node1.n.Attributes.GetNamedItem("name").Value;


if (node1.i == 0) //是叶节点,则下一个节点填在下一行


row += 1;


}




Microsoft.Office.Interop.Owc11.Range range = xlsheet.get_Range(xlsheet.Cells[1, 1], xlsheet.Cells[xlsheet.ActiveSheet.UsedRange.Rows.Count, xlsheet.ActiveSheet.UsedRange.Columns.Count]);


//单元格文本水平居中对齐


range.set_HorizontalAlignment(Microsoft.Office.Interop.Owc11.XlHAlign.xlHAlignCenter);


//单元格文本垂直居中对齐


range.set_VerticalAlignment(Microsoft.Office.Interop.Owc11.XlVAlign.xlVAlignCenter);


//设置表头列宽


range.set_ColumnWidth(14);


//设置边框


range.Borders.set_LineStyle(Microsoft.Office.Interop.Owc11.XlLineStyle.xlContinuous);


}