C# 基于DocumentFormat.OpenXml的数据导出到Excel

using DocumentFormat.OpenXml;using DocumentFormat.OpenXml.Packaging;using DocumentFormat.OpenXml.Spreadsheet;

/// <summary> /// 导出Excel /// </summary> public class ExcelExport : IDisposable { int rowCount = 0; string sheetName = "sheet1"; SpreadsheetDocument xl; OpenXmlWriter oxw; WorksheetPart wsp; /// <summary> /// 导出Excel /// </summary> /// <param name="path">Excel文件名称(全路径)</param> /// <param name="rowCount">表格列数量</param> /// <param name="sheetName">表格名称</param> public ExcelExport(string path, int rowCount, string sheetName = "sheet1") { this.rowCount = rowCount; this.sheetName = sheetName ?? "sheet1"; xl = SpreadsheetDocument.Create(path, SpreadsheetDocumentType.Workbook); xl.AddWorkbookPart(); wsp = xl.WorkbookPart.AddNewPart<WorksheetPart>(); oxw = OpenXmlWriter.Create(wsp); oxw.WriteStartElement(new Worksheet()); oxw.WriteStartElement(new SheetData()); } /// <summary> /// 写入表格数据 /// </summary> /// <param name="datas"></param> public void Write(object[] datas) { if (datas == null || datas.Length == 0) return; int colNum = datas.Length; //oxa = new List<OpenXmlAttribute>(); // this is the row index //oxa.Add(new OpenXmlAttribute("r", null, i.ToString())); //oxw.WriteStartElement(new Row(), oxa); oxw.WriteStartElement(new Row()); for (int j = 0; j < colNum; ++j) { var oxa = new List<OpenXmlAttribute>(); // this is the data type ("t"), with CellValues.String ("str") oxa.Add(new OpenXmlAttribute("t", null, "str")); // it's suggested you also have the cell reference, but // you'll have to calculate the correct cell reference yourself. // Here's an example: //oxa.Add(new OpenXmlAttribute("r", null, "A1")); //c.Append(f); oxw.WriteStartElement(new Cell() { DataType = CellValues.InlineString }, oxa); //oxw.WriteStartElement(new Cell()); oxw.WriteElement(new CellValue($"{datas[j]}")); // this is for Cell oxw.WriteEndElement(); } // this is for Row oxw.WriteEndElement(); } /// <summary> /// 写入表格数据 /// </summary> /// <param name="datas"></param> public void Write(List<object> datas) { if (datas == null || datas.Count == 0) return; Write(datas.ToArray()); } void Close() { // this is for SheetData oxw.WriteEndElement(); // this is for Worksheet oxw.WriteEndElement(); oxw.Close(); oxw = OpenXmlWriter.Create(xl.WorkbookPart); oxw.WriteStartElement(new Workbook()); oxw.WriteStartElement(new Sheets()); // you can use object initialisers like this only when the properties // are actual properties. SDK classes sometimes have property-like properties // but are actually classes. For example, the Cell class has the CellValue // "property" but is actually a child class internally. // If the properties correspond to actual XML attributes, then you're fine. oxw.WriteElement(new Sheet() { Name = sheetName, SheetId = 1, Id = xl.WorkbookPart.GetIdOfPart(wsp) }); // this is for Sheets oxw.WriteEndElement(); // this is for Workbook oxw.WriteEndElement(); oxw.Close(); xl.Close(); } #region IDisposable Support private bool disposedValue = false; // 要检测冗余调用 protected virtual void Dispose(bool disposing) { if (!disposedValue) { if (disposing) { // TODO: 释放托管状态(托管对象)。 Close(); } // TODO: 释放未托管的资源(未托管的对象)并在以下内容中替代终结器。 // TODO: 将大型字段设置为 null。 disposedValue = true; } } // TODO: 仅当以上 Dispose(bool disposing) 拥有用于释放未托管资源的代码时才替代终结器。 // ~OpenXmlExt() { // // 请勿更改此代码。将清理代码放入以上 Dispose(bool disposing) 中。 // Dispose(false); // } // 添加此代码以正确实现可处置模式。 void IDisposable.Dispose() { // 请勿更改此代码。将清理代码放入以上 Dispose(bool disposing) 中。 Dispose(true); // TODO: 如果在以上内容中替代了终结器，则取消注释以下行。 // GC.SuppressFinalize(this); } #endregion }

使用：

object[] objTitle = new object[] { "SIM", "ICCID"};string descFile="d:\\test.xlsx"; using (var oxExt = new ExcelUtil.ExcelExport(descFile, objTitle.Length, "清单")) { oxExt.Write(objTitle); }