using DevExpress.CodeParser;
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using HStation.Assets;
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using NPOI.HSSF.UserModel;
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using NPOI.SS.UserModel;
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using NPOI.XSSF.UserModel;
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using System.IO;
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namespace HStation.WinFrmUI
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{
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public class ValveExcelHelper
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{
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public static string ParseValveExcel(string fileName, out List<HStation.Vmo.AssetsValveMainVmo> list)
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{
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list = new List<Vmo.AssetsValveMainVmo>();
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if (!File.Exists(fileName))
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return "文件不存在";
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int line = 0;
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IWorkbook workbook;
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using (FileStream file = new(fileName, FileMode.Open, FileAccess.Read))
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{
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if (Path.GetExtension(fileName).ToLower() == ".xls")
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{
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workbook = new HSSFWorkbook(file);
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}
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else if (Path.GetExtension(fileName).ToLower() == ".xlsx")
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{
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workbook = new XSSFWorkbook(file);
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}
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else
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{
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return "不支持的文件格式";
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}
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}
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ISheet sheet_ql = workbook.GetSheet("sheet1");
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if (sheet_ql == null)
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{
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return "表格不符合格式";
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}
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//标题行
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int title_line_index = 0;
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//名称列
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int col_index_name = 0;
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//口径列
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int col_index_caliber = 1;
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//材料列
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int col_index_materials = 2;
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//系数列
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int col_index_coefficient = 3;
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//备注列
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int col_index_descriptions = 4;
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var row_title = sheet_ql.GetRow(title_line_index);
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if (row_title == null)
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{
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return ("第一行第一列不能空");
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}
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//开始读取的行
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int start_line = title_line_index + 1;
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var cell_0 = row_title.GetCell(0);
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if (cell_0 == null)
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{
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return ("无法读取表头文件");
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}
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NPOI.SS.UserModel.IRow row_temp = null;
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NPOI.SS.UserModel.ICell cell;
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for (line = start_line; line < 1000; line++)
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{
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row_temp = sheet_ql.GetRow(line);
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if (row_temp == null)
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break;
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var name = row_temp.GetCell(col_index_name);
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if (name == null)
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break;
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cell = row_temp.GetCell(col_index_caliber);
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if (cell == null)
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break;
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if (!ParseCellValue(cell, out double? caliber))
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break;
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if (caliber < 0)
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break;
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var material = row_temp.GetCell(col_index_materials);
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if (material == null)
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break;
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cell = row_temp.GetCell(col_index_coefficient);
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if (cell == null)
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break;
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if (!ParseCellValue(cell, out double coefficient))
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break;
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if (coefficient < 0)
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break;
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list.Add(new Vmo.AssetsValveMainVmo
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{
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Name = name.StringCellValue,
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Caliber = caliber,
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Material = material.StringCellValue,
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MinorLoss = coefficient,
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Description = row_temp.GetCell(col_index_descriptions)?.StringCellValue,
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});
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}
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if (list == null || !list.Any())
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{
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return ("表格不符合格式");
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}
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return "";
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}
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private static bool ParseCellValue(NPOI.SS.UserModel.ICell cell, out double cell_value)
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{
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cell_value = 0;
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if (cell.CellType == NPOI.SS.UserModel.CellType.Numeric)
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{
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cell_value = cell.NumericCellValue;
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return true;
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}
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if (cell.CellType == NPOI.SS.UserModel.CellType.String)
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{
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if (double.TryParse(cell.StringCellValue, out double value))
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{
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cell_value = value;
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return true;
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}
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}
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return false;
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}
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//转换可以为空
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private static bool ParseCellValue(NPOI.SS.UserModel.ICell cell, out double? cell_value)
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{
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cell_value = null;
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if (cell.CellType == NPOI.SS.UserModel.CellType.Numeric)
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{
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cell_value = cell.NumericCellValue;
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return true;
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}
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if (cell.CellType == NPOI.SS.UserModel.CellType.String)
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{
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if (double.TryParse(cell.StringCellValue, out double value))
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{
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cell_value = value;
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return true;
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}
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else if (cell.StringCellValue == null)
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{
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return true;
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}
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}
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if (cell.CellType == NPOI.SS.UserModel.CellType.Blank)
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{
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return true;
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}
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return false;
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}
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public static void ExportValveTemplate(string file_path)
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{
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NPOI.HSSF.UserModel.HSSFWorkbook theBook = new NPOI.HSSF.UserModel.HSSFWorkbook();
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var theSheet1 = theBook.CreateSheet("Sheet1");
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NPOI.SS.UserModel.IRow rowTile1 = theSheet1.CreateRow(0);
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rowTile1.CreateCell(0).SetCellValue("名称");
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rowTile1.CreateCell(1).SetCellValue("口径(mm)");
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rowTile1.CreateCell(2).SetCellValue("材料");
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rowTile1.CreateCell(3).SetCellValue("局阻系数");
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rowTile1.CreateCell(4).SetCellValue("备注");
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theSheet1.ForceFormulaRecalculation = true;
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using FileStream fs = File.OpenWrite(file_path);
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theBook.Write(fs);
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}
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}
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}
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