/// <summary>
/// 返回Excel 连接字符串
/// </summary>
/// <param name="excelPath">Excel文件 绝对路径</param>
/// <param name="header">是否把第一行作为列名</param>
/// <param name="eType">Excel 版本 </param>
/// <param name="imex">IMEX模式</param>
/// <returns>返回值</returns>
public static string GetExcelConnectstring(string excelPath, bool header, ExcelType eType, IMEXType imex)
{
if (!MyFileHelper.IsExistFile(excelPath))
throw new FileNotFoundException("Excel路径不存在!");
string connectstring;
string hdr = "NO";
if (header)
hdr = "YES";
if (eType == ExcelType.Excel2003)
connectstring = "Provider=Microsoft.Jet.OleDb.4.0; data source=" + excelPath +
";Extended Properties='Excel 8.0; HDR=" + hdr + "; IMEX=" + imex.GetHashCode() + "'";
else
connectstring = "Provider=Microsoft.ACE.OLEDB.12.0; data source=" + excelPath +
";Extended Properties='Excel 12.0 Xml; HDR=" + hdr + "; IMEX=" + imex.GetHashCode() +
"'";
return connectstring;
}
/// <summary>
/// 返回Excel 连接字符串
/// </summary>
/// <param name="excelPath">Excel文件 绝对路径</param>
/// <param name="header">是否把第一行作为列名</param>
/// <param name="eType">Excel 版本 </param>
/// <param name="imex">IMEX模式</param>
/// <returns></returns>
public static string GetExcelConnectstring(string excelPath, bool header, ExcelType eType, IMEXType imex)
{
if (!FileUtil.IsExistFile(excelPath))
{
throw new FileNotFoundException("Excel路径不存在!");
}
string connectstring = string.Empty;
string hdr = "NO";
if (header)
{
hdr = "YES";
}
if (eType == ExcelType.Excel2003)
{
connectstring = "Provider=Microsoft.Jet.OleDb.4.0; data source=" + excelPath + ";Extended Properties='Excel 8.0; HDR=" + hdr + "; IMEX=" + imex.GetHashCode() + "'";
}
else
{
connectstring = "Provider=Microsoft.ACE.OLEDB.12.0; data source=" + excelPath + ";Extended Properties='Excel 12.0 Xml; HDR=" + hdr + "; IMEX=" + imex.GetHashCode() + "'";
}
return(connectstring);
}
public static string GetExcelConnectstring(string excelPath, bool header, ExcelType eType, IMEXType imex)
{
if (!FileUtil.IsExistFile(excelPath))
{
throw new FileNotFoundException("Excel路径不存在!");
}
string str = "NO";
if (header)
{
str = "YES";
}
if (eType == ExcelType.const_0)
{
return(string.Concat(new object[] { "Provider=Microsoft.Jet.OleDb.4.0; data source=", excelPath, ";Extended Properties='Excel 8.0; HDR=", str, "; IMEX=", imex.GetHashCode(), "'" }));
}
return(string.Concat(new object[] { "Provider=Microsoft.ACE.OLEDB.12.0; data source=", excelPath, ";Extended Properties='Excel 12.0 Xml; HDR=", str, "; IMEX=", imex.GetHashCode(), "'" }));
}
/// <summary>
/// 返回Excel连接字符串
/// </summary>
/// <param name="excelPath">Excel文件绝对路径</param>
/// <param name="header">是否第一行为列名</param>
/// <param name="eType">Excel版本</param>
/// <param name="imex">IMEX模式</param>
/// <returns></returns>
public string GetExcelConnectionString(string excelPath, bool header, ExcelType eType, IMEXType imex)
{
if (string.IsNullOrEmpty(excelPath))
{
throw new ArgumentNullException("Excel路径字符串为空");
}
if (!System.IO.File.Exists(excelPath))
{
throw new FileNotFoundException(string.Format("Excel文件不存在，路径为：{0}", excelPath));
}
string connectionString = "";
string hdr = "NO";
if (header)
{
hdr = "YES";
}
if (eType == ExcelType.Excel_2003)
{
connectionString = "Provider=Microsoft.Jet.OleDb.4.0; data source=" + excelPath +
";Extended Properties='Excel 8.0; HDR=" + hdr + "; IMEX=" + imex.GetHashCode() + "'";
}
else
{
connectionString = "Provider=Microsoft.ACE.OLEDB.12.0; data source=" + excelPath +
";Extended Properties='Excel 12.0 Xml; HDR=" + hdr + "; IMEX=" + imex.GetHashCode() + "'";
}
return(connectionString);
}
