/// <summary>
/// 设置文件保存位置，
/// </summary>
/// <returns>返回文件路径</returns>
private string GetFilePath()
{
string FilePath = string.Empty;OpenFileDialog openFileDialog1 = new OpenFileDialog();//设置文件类型 |*.txt|All files(*.*)|*.*
openFileDialog1.Filter = "xls|*.xls|xlsx|*.xlsx|csv|*.csv|All files(*.*)|*.*";
openFileDialog1.DefaultExt = ".xls";//设置默认文件类型显示顺序
openFileDialog1.FilterIndex = 2;//保存对话框是否记忆上次打开的目录
openFileDialog1.RestoreDirectory = true;//点了保存按钮进入
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
//获得文件路径
FilePath = openFileDialog1.FileName.ToString();//获取文件名，不带路径
//fileNameExt = localFilePath.Substring(localFilePath.LastIndexOf("\\") + 1);//获取文件路径，不带文件名
// FilePath1 = localFilePath.Substring(0, localFilePath.LastIndexOf("\\"));//给文件名前加上时间
//newFileName = DateTime.Now.ToString("yyyyMMdd") + fileNameExt;//在文件名里加字符
//saveFileDialog1.FileName.Insert(1,"dameng");// System.IO.FileStream fs = (System.IO.FileStream)saveFileDialog1.OpenFile();//输出文件//fs输出带文字或图片的文件，就看需求了
}return FilePath;
}///数据返回到DataSetinternal DataSet ToDataSet(string filePath)
{string fileType = System.IO.Path.GetExtension(filePath);
if (string.IsNullOrEmpty(fileType)) return null;if (fileType.ToLower() == ".xls")
{
connStr = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + filePath + ";" + ";Extended Properties=\"Excel 8.0;HDR=YES;IMEX=1;\"";
}
else if (fileType.ToLower() == ".xlsx")
{
connStr = "Provider=Microsoft.ACE.OLEDB.12.0;" + "Data Source=" + filePath + ";" + ";Extended Properties=\"Excel 12.0;HDR=YES;IMEX=1;\"";
}
else if (fileType.ToLower() == ".csv")
{
connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + filePath.Remove(filePath.LastIndexOf("\\") + 1) + ";Extended Properties='Text;FMT=Delimited;HDR=YES;'";
}
else {
MessageBox.Show("文件格式不不符合要求，此系统只支持导入xls，xlsx，csv 三种格式，详情咨询软件供应商");
}
string sql_F = "Select * FROM [{0}]";OleDbConnection conn = new OleDbConnection ();
OleDbDataAdapter da = null;
DataTable dtSheetName = null;DataSet ds = new DataSet();
try
{
conn.ConnectionString=connStr;
conn.Open();
string SheetName = "";
dtSheetName = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });da = new OleDbDataAdapter();
for (int i = 0; i < dtSheetName.Rows.Count; i++)
{
SheetName = Convert.ToString(dtSheetName.Rows[i]["TABLE_NAME"]);if (SheetName.Contains("$") && !SheetName.Replace("'", "").EndsWith("$"))
{
continue;
}
da.SelectCommand = new OleDbCommand(String.Format(sql_F, SheetName), conn);
DataSet dsItem = new DataSet();
da.Fill(ds, "Mdt1");
DataTable table = ds.Tables["Mdt1"];
DataRow row = table.NewRow();
da.Update(ds, "Mdt1");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
finally
{
// 关闭连接
if (conn.State == ConnectionState.Open)
{
conn.Close();
da.Dispose();
conn.Dispose();
}
}
return ds;
}