/// <summary>
/// 执行导出数据
/// </summary>
public void ExportToExecl()
{
System.Windows.Forms.SaveFileDialog sfd = new SaveFileDialog();
sfd.DefaultExt = "xls";
sfd.Filter = "Excel文件(*.xls)|*.xls";
sfd.FileName = "FaceFailExcel";
if (sfd.ShowDialog() == DialogResult.OK)
{
DoExport(this.listView1, sfd.FileName);
}
}
/// <summary>
/// 具体导出的方法
/// </summary>
/// <param name="listView">ListView</param>
/// <param name="strFileName">导出到的文件名</param>
private void DoExport(ListView listView, string strFileName)
{
int rowNum = listView.Items.Count;
int columnNum = listView.Items[0].SubItems.Count;
int rowIndex = 1;
int columnIndex = 0;
if (rowNum == 0 || string.IsNullOrEmpty(strFileName))
{
return;
}
if (rowNum > 0)
{
Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.ApplicationClass();
if (xlApp == null)
{
MessageBox.Show("无法创建excel对象，可能您的系统没有安装excel");
return;
}
xlApp.DefaultFilePath = "";
xlApp.DisplayAlerts = true;
xlApp.SheetsInNewWorkbook = 1;
Microsoft.Office.Interop.Excel.Workbook xlBook = xlApp.Workbooks.Add(true);
//将ListView的列名导入Excel表第一行
foreach (ColumnHeader dc in listView.Columns)
{
columnIndex++;
xlApp.Cells[rowIndex, columnIndex] = dc.Text;
}
//将ListView中的数据导入Excel中
for (int i = 0; i < rowNum; i++)
{
rowIndex++;
columnIndex = 0;
for (int j = 0; j < columnNum; j++)
{
columnIndex++;
//注意这个在导出的时候加了“ ” 的目的就是避免导出的数据显示为科学计数法。可以放在每行的首尾。
xlApp.Cells[rowIndex, columnIndex] = Convert.ToString(listView.Items[i].SubItems[j].Text) + " ";
}
}
//例外需要说明的是用strFileName,Excel.XlFileFormat.xlExcel9795保存方式时 当你的Excel版本不是95、97 而是2003、2007 时导出的时候会报一个错误：异常来自 HRESULT:0x800A03EC。 解决办法就是换成strFileName, Microsoft.Office.Interop.Excel.XlFileFormat.xlWorkbookNormal。
xlBook.SaveAs(strFileName, Microsoft.Office.Interop.Excel.XlFileFormat.xlWorkbookNormal, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlExclusive, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);
xlApp = null;
xlBook = null;
MessageBox.Show("导出成功！");
}
}