NPOI设置单元格格式
2018-06-19 18:36 若藜520 阅读(11499) 评论(1) 编辑 收藏 举报转自:http://www.cr173.com/html/18143_2.html
//创建一个常用的xls文件 private void button3_Click(object sender, EventArgs e) { IWorkbook wb = new HSSFWorkbook(); //创建表 ISheet sh = wb.CreateSheet("zhiyuan"); //设置单元的宽度 sh.SetColumnWidth(0, 15 * 256); sh.SetColumnWidth(1, 35 * 256); sh.SetColumnWidth(2, 15 * 256); sh.SetColumnWidth(3, 10 * 256); int i = 0; #region 练习合并单元格 sh.AddMergedRegion(new NPOI.SS.Util.CellRangeAddress(0, 0, 0, 3)); //CellRangeAddress()该方法的参数次序是:开始行号,结束行号,开始列号,结束列号。 IRow row0 = sh.CreateRow(0); row0.Height = 20 * 20; ICell icell1top0 = row0.CreateCell(0); icell1top0.CellStyle = Getcellstyle(wb, stylexls.头); icell1top0.SetCellValue("标题合并单元"); #endregion i++; #region 设置表头 IRow row1 = sh.CreateRow(1); row1.Height = 20 * 20; ICell icell1top = row1.CreateCell(0); icell1top.CellStyle = Getcellstyle(wb, stylexls.头); icell1top.SetCellValue("网站名"); ICell icell2top = row1.CreateCell(1); icell2top.CellStyle = Getcellstyle(wb, stylexls.头); icell2top.SetCellValue("网址"); ICell icell3top = row1.CreateCell(2); icell3top.CellStyle = Getcellstyle(wb, stylexls.头); icell3top.SetCellValue("百度快照"); ICell icell4top = row1.CreateCell(3); icell4top.CellStyle = Getcellstyle(wb, stylexls.头); icell4top.SetCellValue("百度收录"); #endregion using(FileStream stm=File.OpenWrite(@"c:/myMergeCell.xls")) { wb.Write(stm); MessageBox.Show("提示:创建成功!"); } } #region 定义单元格常用到样式的枚举 public enum stylexls { 头, url, 时间, 数字, 钱, 百分比, 中文大写, 科学计数法, 默认 } #endregion #region 定义单元格常用到样式 static ICellStyle Getcellstyle(IWorkbook wb, stylexls str) { ICellStyle cellStyle = wb.CreateCellStyle(); //定义几种字体 //也可以一种字体,写一些公共属性,然后在下面需要时加特殊的 IFont font12 = wb.CreateFont(); font12.FontHeightInPoints = 10; font12.FontName = "微软雅黑"; IFont font = wb.CreateFont(); font.FontName = "微软雅黑"; //font.Underline = 1;下划线 IFont fontcolorblue = wb.CreateFont(); fontcolorblue.Color = HSSFColor.OLIVE_GREEN.BLUE.index; fontcolorblue.IsItalic = true;//下划线 fontcolorblue.FontName = "微软雅黑"; //边框 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; //边框颜色 cellStyle.BottomBorderColor = HSSFColor.OLIVE_GREEN.BLUE.index; cellStyle.TopBorderColor = HSSFColor.OLIVE_GREEN.BLUE.index; //背景图形,我没有用到过。感觉很丑 //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; //水平对齐 cellStyle.Alignment = NPOI.SS.UserModel.HorizontalAlignment.LEFT; //垂直对齐 cellStyle.VerticalAlignment = VerticalAlignment.CENTER; //自动换行 cellStyle.WrapText = true; //缩进;当设置为1时,前面留的空白太大了。希旺官网改进。或者是我设置的不对 cellStyle.Indention = 0; //上面基本都是设共公的设置 //下面列出了常用的字段类型 switch (str) { case stylexls.头: // cellStyle.FillPattern = FillPatternType.LEAST_DOTS; cellStyle.SetFont(font12); break; case stylexls.时间: IDataFormat datastyle = wb.CreateDataFormat(); cellStyle.DataFormat = datastyle.GetFormat("yyyy/mm/dd"); cellStyle.SetFont(font); break; case stylexls.数字: cellStyle.DataFormat = HSSFDataFormat.GetBuiltinFormat("0.00"); cellStyle.SetFont(font); break; case stylexls.钱: 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.中文大写: IDataFormat format1 = wb.CreateDataFormat(); cellStyle.DataFormat = format1.GetFormat("[DbNum2][$-804]0"); cellStyle.SetFont(font); break; case stylexls.科学计数法: cellStyle.DataFormat = HSSFDataFormat.GetBuiltinFormat("0.00E+00"); cellStyle.SetFont(font); break; case stylexls.默认: cellStyle.SetFont(font); break; } return cellStyle; } #endregion