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/// <summary>
/// 将DataTalbe导出到Excel中
/// </summary>
/// <param name="dt"></param>
/// <param name="ProjectName">生成的Excel的Sheet的名字</param>
/// <param name="filePath">保存的路径</param>
public static void Export(System.Data.DataTable dt, string filePath)
{
if (dt == null)
{
throw new Exception("数据表中无数据");
}
int eRowIndex = 1;
int eColIndex = 1;
int cols = dt.Columns.Count;
int rows = dt.Rows.Count;
Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.ApplicationClass();
Microsoft.Office.Interop.Excel.Workbook xlBook = xlApp.Workbooks.Add(true);
try
{
//列名的处理
for (int i = 0; i < cols; i++)
{
xlApp.Cells[eRowIndex, eColIndex] = dt.Columns[i].ColumnName;
eColIndex++;
}
//列名加粗显示
xlApp.get_Range(xlApp.Cells[eRowIndex, 1], xlApp.Cells[eRowIndex, cols]).Font.Bold = true;
xlApp.get_Range(xlApp.Cells[eRowIndex, 1], xlApp.Cells[rows + 1, cols]).Font.Name = "Arial";
xlApp.get_Range(xlApp.Cells[eRowIndex, 1], xlApp.Cells[rows + 1, cols]).Font.Size = "10";
eRowIndex++;
for (int i = 0; i < rows; i++)
{
eColIndex = 1;
for (int j = 0; j < cols; j++)
{
xlApp.Cells[eRowIndex, eColIndex] = dt.Rows[i][j].ToString();
eColIndex++;
}
eRowIndex++;
}
//控制单元格中的内容。
xlApp.Cells.EntireColumn.AutoFit();
xlApp.DisplayAlerts = false;
xlBook.SaveCopyAs(filePath);
xlApp.Workbooks.Close();
}
catch
{
throw;
}
finally
{
xlApp.Quit();
//杀掉Excel进程。
GC.Collect();
}
}
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