这是我第一次在博客上写东西,简单的为大家分享一个oledb读取文件的功能吧,这两天在做一个文件导入数据库的小demo,就想着导入前先在页面上展示一下,之前调用Microsoft.Office.Interop.*.dll的组件,代码看起来很是冗余,于是乎选择了这种方式,添加引用 using System.Data.OleDb;代码分享给大家,有什么不足或补充,希望大家多多发言,共同进步哈!
/// <summary> /// 使用OLEDB读取excel和csv文件 /// </summary> /// <param name="path">文件所在目录地址</param> /// <param name="name">文件名</param> /// <returns></returns> public static DataSet ReadFile(string path, string name) { if (string.IsNullOrWhiteSpace(path) || string.IsNullOrWhiteSpace(name) || !File.Exists(path+name)) return null; // 读取excel string connstring = string.Empty; string strSql = string.Empty; if (name.EndsWith(".xls") || name.EndsWith(".xlsx")) { connstring = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + name + ";Extended Properties='Excel 8.0;HDR=YES;IMEX=1';"; strSql = "select * from [sheet1$]"; } // 读取csv文件 else if (name.EndsWith(".csv")) { connstring = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";Extended Properties='text;HDR=YES;FMT=Delimited';"; strSql = "select * from " + name; } else { return null; } DataSet ds = null; OleDbConnection conn = null; try { conn = new OleDbConnection(connstring); conn.Open(); OleDbDataAdapter myCommand = null; myCommand = new OleDbDataAdapter(strSql, connstring); ds = new DataSet(); myCommand.Fill(ds, "table1"); } catch (Exception e) { throw e; } finally { conn.Close(); } return ds; }