/// <summary>
/// 合并单元格，并赋值，对指定WorkSheet操作
/// </summary>
/// <param name="sheetIndex">WorkSheet索引</param>
/// <param name="beginRowIndex">开始行索引</param>
/// <param name="beginColumnIndex">开始列索引</param>
/// <param name="endRowIndex">结束行索引</param>
/// <param name="endColumnIndex">结束列索引</param>
/// <param name="text">合并后Range的值</param>
public static void MergeCells(Microsoft.Office.Interop.Excel.Worksheet workSheet, int beginRowIndex, int beginColumnIndex,
int endRowIndex, int endColumnIndex, string text)
{
Microsoft.Office.Interop.Excel.Range range = workSheet.get_Range(workSheet.Cells[beginRowIndex, beginColumnIndex], workSheet.Cells[endRowIndex, endColumnIndex]);
range.ClearContents(); //先把Range内容清除，合并才不会出错
range.MergeCells = true;
range.Value2 = text;
range.HorizontalAlignment = Microsoft.Office.Interop.Excel.XlHAlign.xlHAlignCenter;
range.VerticalAlignment = Microsoft.Office.Interop.Excel.XlVAlign.xlVAlignCenter;
}
