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private static string _filePath=string.Empty ;
#region Excel导入SQL数据库 /// <summary> /// 获取Excel数据表列表 /// </summary> /// <returns></returns> public static ArrayList GetExcelTables() { //将Excel架构存入数据里 System.Data.DataTable dt = new System.Data.DataTable(); ArrayList TablesList=new ArrayList(); if (File.Exists(FilePath)) { using (OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet."+ "OLEDB.4.0;Extended Properties=\"Excel 8.0\";Data Source=" + FilePath)) { try { conn.Open(); dt = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" }); } catch (Exception exp) { Log.StrFileName ="查询Excel表单名"; Log.StrDepartment ="Excel架构存入数据"; Log.StrDescription =exp.ToString (); Log.WriteLog (); } int tablecount=dt.Rows.Count; for (int i=0;i<tablecount;i=i+2) { string tablename=dt.Rows if(TablesList.IndexOf(tablename)<0) { TablesList.Add(tablename); } } } } return TablesList; } /// <summary> /// 导入Excel数据表至DataTable(第一行作为表头) /// </summary> /// <returns></returns> public static System.Data.DataSet FillDataSet() { if (!File.Exists(FilePath)) { throw new Exception("Excel文件不存在!"); } ArrayList TableList=new ArrayList(); TableList = GetExcelTables(); if(TableList.Count <=0) { return null; } System.Data.DataTable table ; System.Data .DataSet ds=new DataSet (); OleDbConnection dbcon = new OleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FilePath + ";Extended Properties=Excel 8.0"); try { if (dbcon.State == ConnectionState.Closed) { dbcon.Open(); } for(int i=0;i<TableList.Count ;i++) { string dtname=TableList try { OleDbCommand cmd = new OleDbCommand("select * from [" + dtname + "$]", dbcon); OleDbDataAdapter adapter = new OleDbDataAdapter(cmd); table=new DataTable (dtname); adapter.Fill(table); ds.Tables .Add (table); } catch (Exception exp) { Log.StrFileName =dtname; Log.StrDepartment ="将Excel表格导入DataSet"; Log.StrDescription =exp.ToString (); Log.WriteLog (); } } } finally { if (dbcon.State == ConnectionState.Open) { dbcon.Close(); } } return ds; } /// <summary> /// Excel导入数据库 /// </summary> /// <returns></returns> public static DataSet ImportFromExcel() { return FillDataSet(); } #endregion |
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