轉自:http://www.cr173.com/html/18143_2.html
//建立一個常用的xls檔案
private void button3_Click(object sender, EventArgs e)
{
IWorkbook wb = new HSSFWorkbook();
//建立表
ISheet sh = wb.CreateSheet("zhiyuan");
//設定單元的寬度
sh.SetColumnWidth(0, 15 * 256);
sh.SetColumnWidth(1, 35 * 256);
sh.SetColumnWidth(2, 15 * 256);
sh.SetColumnWidth(3, 10 * 256);
int i = 0;
#region 練習合并單元格
sh.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0, 0, 0, 3));
//CellRangeAddress()該方法的參數次序是:開始行号,結束行号,開始列号,結束列号。
IRow row0 = sh.CreateRow(0);
row0.Height = 20 * 20;
ICell icell1top0 = row0.CreateCell(0);
icell1top0.CellStyle = Getcellstyle(wb, stylexls.頭);
icell1top0.SetCellValue("标題合并單元");
#endregion
i++;
#region 設定表頭
IRow row1 = sh.CreateRow(1);
row1.Height = 20 * 20;
ICell icell1top = row1.CreateCell(0);
icell1top.CellStyle = Getcellstyle(wb, stylexls.頭);
icell1top.SetCellValue("網站名");
ICell icell2top = row1.CreateCell(1);
icell2top.CellStyle = Getcellstyle(wb, stylexls.頭);
icell2top.SetCellValue("網址");
ICell icell3top = row1.CreateCell(2);
icell3top.CellStyle = Getcellstyle(wb, stylexls.頭);
icell3top.SetCellValue("百度快照");
ICell icell4top = row1.CreateCell(3);
icell4top.CellStyle = Getcellstyle(wb, stylexls.頭);
icell4top.SetCellValue("百度收錄");
#endregion
using(FileStream stm=File.OpenWrite(@"c:/myMergeCell.xls"))
{
wb.Write(stm);
MessageBox.Show("提示:建立成功!");
}
}
#region 定義單元格常用到樣式的枚舉
public enum stylexls
{
頭,
url,
時間,
數字,
錢,
百分比,
中文大寫,
科學計數法,
預設
}
#endregion
#region 定義單元格常用到樣式
static ICellStyle Getcellstyle(IWorkbook wb, stylexls str)
{
ICellStyle cellStyle = wb.CreateCellStyle();
//定義幾種字型
//也可以一種字型,寫一些公共屬性,然後在下面需要時加特殊的
IFont font12 = wb.CreateFont();
font12.FontHeightInPoints = 10;
font12.FontName = "微軟雅黑";
IFont font = wb.CreateFont();
font.FontName = "微軟雅黑";
//font.Underline = 1;下劃線
IFont fontcolorblue = wb.CreateFont();
fontcolorblue.Color = HSSFColor.OLIVE_GREEN.BLUE.index;
fontcolorblue.IsItalic = true;//下劃線
fontcolorblue.FontName = "微軟雅黑";
//邊框
cellStyle.BorderBottom = NPOI.SS.UserModel.BorderStyle.DOTTED;
cellStyle.BorderLeft = NPOI.SS.UserModel.BorderStyle.HAIR;
cellStyle.BorderRight = NPOI.SS.UserModel.BorderStyle.HAIR;
cellStyle.BorderTop = NPOI.SS.UserModel.BorderStyle.DOTTED;
//邊框顔色
cellStyle.BottomBorderColor = HSSFColor.OLIVE_GREEN.BLUE.index;
cellStyle.TopBorderColor = HSSFColor.OLIVE_GREEN.BLUE.index;
//背景圖形,我沒有用到過。感覺很醜
//cellStyle.FillBackgroundColor = HSSFColor.OLIVE_GREEN.BLUE.index;
//cellStyle.FillForegroundColor = HSSFColor.OLIVE_GREEN.BLUE.index;
cellStyle.FillForegroundColor = HSSFColor.WHITE.index;
// cellStyle.FillPattern = FillPatternType.NO_FILL;
cellStyle.FillBackgroundColor = HSSFColor.BLUE.index;
//水準對齊
cellStyle.Alignment = NPOI.SS.UserModel.HorizontalAlignment.LEFT;
//垂直對齊
cellStyle.VerticalAlignment = VerticalAlignment.CENTER;
//自動換行
cellStyle.WrapText = true;
//縮進;當設定為1時,前面留的空白太大了。希旺官網改進。或者是我設定的不對
cellStyle.Indention = 0;
//上面基本都是設共公的設定
//下面列出了常用的字段類型
switch (str)
{
case stylexls.頭:
// cellStyle.FillPattern = FillPatternType.LEAST_DOTS;
cellStyle.SetFont(font12);
break;
case stylexls.時間:
IDataFormat datastyle = wb.CreateDataFormat();
cellStyle.DataFormat = datastyle.GetFormat("yyyy/mm/dd");
cellStyle.SetFont(font);
break;
case stylexls.數字:
cellStyle.DataFormat = HSSFDataFormat.GetBuiltinFormat("0.00");
cellStyle.SetFont(font);
break;
case stylexls.錢:
IDataFormat format = wb.CreateDataFormat();
cellStyle.DataFormat = format.GetFormat("¥#,##0");
cellStyle.SetFont(font);
break;
case stylexls.url:
fontcolorblue.Underline = 1;
cellStyle.SetFont(fontcolorblue);
break;
case stylexls.百分比:
cellStyle.DataFormat = HSSFDataFormat.GetBuiltinFormat("0.00%");
cellStyle.SetFont(font);
break;
case stylexls.中文大寫:
IDataFormat format1 = wb.CreateDataFormat();
cellStyle.DataFormat = format1.GetFormat("[DbNum2][$-804]0");
cellStyle.SetFont(font);
break;
case stylexls.科學計數法:
cellStyle.DataFormat = HSSFDataFormat.GetBuiltinFormat("0.00E+00");
cellStyle.SetFont(font);
break;
case stylexls.預設:
cellStyle.SetFont(font);
break;
}
return cellStyle;
}
#endregion