最新更新请访问： http://denghejun.github.io
Aspose.Cells读取Excel非常方便，以下是一个简单的实现读取和导出Excel的操作类:
以下是Aspose.Cells下载地址：http://pan.baidu.com/s/1sjQ5XX7
/// <summary>
/// Excel操作类（引用程序集Aspose.Cells.dll）
/// </summary>
public class ExcelOperation
{
/// <summary>
/// 读取指定路径的Excel文件为DataTable
/// </summary>
/// <param name="fileName">文件全路径</param>
/// <param name="firstRow">要开始读取的第一行在Excel中的行索引（默认会以此行各列数据作为DataTable的列名）</param>
/// <param name="firstColumn">要开始读取的第一列在Excel中的列索引</param>
/// <param name="invalidEndRowNumber">文件尾部无效行数目（该部分所有行数据将不会被读取）</param>
/// <returns>返回DataTable</returns>
public static DataTable ReadExcel(string fileName, int firstRow, int firstColumn, int invalidEndRowNumber)
{
Cells cells;
Workbook workbook = new Workbook(fileName);
cells = workbook.Worksheets[].Cells;
if (cells == null)
{
return null;
} DataTable dt = cells.ExportDataTable(firstRow, firstColumn, cells.MaxDataRow - invalidEndRowNumber, cells.MaxDataColumn);
string realColumnName = string.Empty;
for (int i = ; i < dt.Columns.Count; i++)
{
if (dt.Rows[][i] == null || dt.Rows[][i].ToString().Trim() == string.Empty)
{
realColumnName += dt.Rows[][i];
dt.Columns[i].ColumnName = realColumnName.Replace(" ", string.Empty);
realColumnName = realColumnName.TrimEnd(dt.Rows[][i].ToString().ToCharArray()).Replace(" ", string.Empty);
}
else
{
realColumnName = dt.Rows[][i].ToString();
if ((i + ) <= cells.MaxColumn - && (dt.Rows[][i + ] == null || dt.Rows[][i + ].ToString().Trim() == string.Empty))
{
realColumnName += dt.Rows[][i].ToString();
dt.Columns[i].ColumnName = realColumnName.Replace(" ", string.Empty);
realColumnName = realColumnName.Remove(realColumnName.Length - dt.Rows[][i].ToString().Length - , dt.Rows[][i].ToString().Length).Replace(" ", string.Empty);
}
else
{
dt.Columns[i].ColumnName = realColumnName.Replace(" ", string.Empty);
}
}
} return dt;
} /// <summary>
/// 将DataTable导出指定路径的Excel文件
/// </summary>
/// <param name="dt">DataTable</param>
/// <param name="tableName">Excel文件的表头内容</param>
/// <param name="path">文件保存的全路径</param>
public static void ExportExcel(DataTable dt, string headerText, string path)
{
Workbook workbook = new Workbook(); //工作簿
Worksheet sheet = workbook.Worksheets[]; //工作表
Cells cells = sheet.Cells;//单元格 //为标题设置样式
Style styleTitle = workbook.Styles[workbook.Styles.Add()];//新增样式
styleTitle.HorizontalAlignment = TextAlignmentType.Center;//文字居中
styleTitle.Font.Name = "宋体";//文字字体
styleTitle.Font.Size = ;//文字大小
styleTitle.Font.IsBold = true;//粗体 //样式2
Style style2 = workbook.Styles[workbook.Styles.Add()];//新增样式
style2.HorizontalAlignment = TextAlignmentType.Center;//文字居中
style2.Font.Name = "宋体";//文字字体
style2.Font.Size = ;//文字大小
style2.Font.IsBold = true;//粗体
style2.IsTextWrapped = true;//单元格内容自动换行
style2.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;
style2.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
style2.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;
style2.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin; //样式3
Style style3 = workbook.Styles[workbook.Styles.Add()];//新增样式
style3.HorizontalAlignment = TextAlignmentType.Center;//文字居中
style3.Font.Name = "宋体";//文字字体
style3.Font.Size = ;//文字大小
style3.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;
style3.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
style3.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;
style3.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin; int Colnum = dt.Columns.Count;//表格列数
int Rownum = dt.Rows.Count;//表格行数 //生成行1 标题行
cells.Merge(, , , Colnum);//合并单元格
cells[, ].PutValue(headerText);//填写内容
cells[, ].SetStyle(styleTitle);
cells.SetRowHeight(, ); //生成行2 列名行
for (int i = ; i < Colnum; i++)
{
cells[, i].PutValue(dt.Columns[i].ColumnName);
cells[, i].SetStyle(style2);
cells.SetRowHeight(, );
} //生成数据行
for (int i = ; i < Rownum; i++)
{
for (int k = ; k < Colnum; k++)
{
cells[ + i, k].PutValue(dt.Rows[i][k].ToString());
cells[ + i, k].SetStyle(style3);
}
cells.SetRowHeight( + i, );
} workbook.Save(path);
}
}
