成达修改20230724

2023-07-24 16:47:13 +08:00
parent dc33ea0366
commit f0b0eca670
28 changed files with 794 additions and 699 deletions
@@ -546,8 +546,72 @@ namespace BLL.Common
            }
            return result;
        }
+		public static string DataSetToExcel(DataTable dt, string Path)
+		{
+			var result = string.Empty;
+			FileStream fs = null;
+			XSSFWorkbook workbook = new XSSFWorkbook();

-        private static string GetValue(string cellValue, string type)
+
+			XSSFSheet sheet = (XSSFSheet)workbook.CreateSheet(dt.TableName);
+
+			XSSFCellStyle dateStyle = (XSSFCellStyle)workbook.CreateCellStyle();
+			XSSFDataFormat format = (XSSFDataFormat)workbook.CreateDataFormat();
+			dateStyle.DataFormat = format.GetFormat("yyyy-mm-dd");
+
+			int rowIndex = 0;
+
+			#region 新建表，填充表头，填充列头，样式
+			if (rowIndex == 0)
+			{
+				//#region 列头及样式
+				//{
+				//    XSSFRow headerRow = (XSSFRow)sheet.CreateRow(0);
+				//    XSSFCellStyle headStyle = (XSSFCellStyle)workbook.CreateCellStyle();
+				//    //headStyle.Alignment = CellHorizontalAlignment.CENTER;
+				//    XSSFFont font = (XSSFFont)workbook.CreateFont();
+				//    font.FontHeightInPoints = 10;
+				//    font.Boldweight = 700;
+				//    headStyle.SetFont(font);
+				//}
+				//#endregion
+				//填充表头
+				XSSFRow dataRow = (XSSFRow)sheet.CreateRow(rowIndex);
+				foreach (DataColumn column in dt.Columns)
+				{
+					dataRow.CreateCell(column.Ordinal).SetCellValue(column.ColumnName);
+				}
+
+				rowIndex = 1;
+			}
+			#endregion
+
+			foreach (DataRow row in dt.Rows)
+			{
+				XSSFRow dataRow = (XSSFRow)sheet.CreateRow(rowIndex);
+
+				#region 填充内容
+				foreach (DataColumn column in dt.Columns)
+				{
+					XSSFCell newCell = (XSSFCell)dataRow.CreateCell(column.Ordinal);
+					string type = row[column].GetType().FullName.ToString();
+					newCell.SetCellValue(GetValue(row[column].ToString(), type));
+				}
+				#endregion
+
+				rowIndex++;
+			}
+
+
+			using (fs = File.OpenWrite(Path))
+			{
+				workbook.Write(fs);//向打开的这个xls文件中写入数据
+				result = Path;
+			}
+			return result;
+		}
+
+		private static string GetValue(string cellValue, string type)
        {
            object value = string.Empty;
            switch (type)