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  • Excel匯入匯出整理

    http://www.dotblogs.com.tw/killysss/archive/2009/11/23/12111.aspx

    Excel匯入匯出整理

    參考資料很多=.=，感謝各位大大無私的分享（洪爺早餐店…）

    整理一下結果

    取得所有worksheet名稱

    view source
    print?
    01 /// <summary>
    02 /// Gets the name of all sheet.
    03 /// </summary>
    04 /// <param name="FName">Name of the F.</param>
    05 /// <param name="HasFieldName">if set to <c>true</c> [has field name].</param>
    06 /// <returns></returns>
    07 public static List<string> GetAllSheetName(string FName, bool HasFieldName)
    08 {
    09     string strConn;
    10     List<string> sTBList = new List<string>();
    11     if (HasFieldName)
    12         /*如果Excel中的第一列為欄名,則寫成*/
    13         strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=YES;IMEX=1;/"";
    14     else
    15         strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=NO;IMEX=1;/"";
    16     OleDbConnection odc = new OleDbConnection(strConn);
    17     odc.Open();
    18     DataTable dt = odc.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });
    19     if (dt.Rows.Count > 0)
    20     {
    21         foreach (DataRow dr in dt.Rows)
    22         {
    23             sTBList.Add(dr["TABLE_NAME"].ToString().Replace("$",string.Empty));
    24         }
    25     }
    26     return sTBList;
    27 }

    取得第一個worksheet

    view source
    print?
    01 /// <summary>
    02 /// Gets the first name of the sheet.
    03 /// </summary>
    04 /// <param name="FName">Name of the F.</param>
    05 /// <param name="HasFieldName">if set to <c>true</c> [has field name].</param>
    06 /// <returns></returns>
    07 public static string GetFirstSheetName(string FName, bool HasFieldName)
    08 {
    09     string strConn;
    10     List<string> sTBList = new List<string>();
    11     if (HasFieldName)
    12         /*如果Excel中的第一列為欄名,則寫成*/
    13         strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=YES;IMEX=1;/"";
    14     else
    15         strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=NO;IMEX=1;/"";
    16     OleDbConnection odc = new OleDbConnection(strConn);
    17     odc.Open();
    18     DataTable dt = odc.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });
    19     if (dt.Rows.Count > 0)
    20     {
    21         foreach (DataRow dr in dt.Rows)
    22         {
    23             sTBList.Add(dr["TABLE_NAME"].ToString().Replace("$", string.Empty));
    24         }
    25     }
    26     return sTBList[0];
    27 }

    匯入excel資料到DataTable

    view source
    print?
    01 /// <summary>
    02 /// Imports the excel.
    03 /// </summary>
    04 /// <param name="FName">Name of the F.</param>
    05 /// <param name="HasFieldName">if set to <c>true</c> [has field name].</param>
    06 /// <returns></returns>
    07 public static System.Data.DataTable ImportExcel(string FName, bool HasFieldName)
    08 {
    09     try
    10     {
    11         List<string> sTBList = new List<string>();
    12         string strConn;
    13         /*  strConn = "Provider=Microsoft.Jet.OLEDB.4.0;" +
    14           "Data Source=" + FName +
    15           ";Extended Properties=Excel 8.0;";*/
    16         if (HasFieldName)
    17             /*如果Excel中的第一列為欄名,則寫成*/
    18             strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=YES;IMEX=1;/"";
    19         else
    20             strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=NO;IMEX=1;/"";
    21         OleDbConnection odc = new OleDbConnection(strConn);
    22         odc.Open();
    23         DataTable dt = odc.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });                
    24         if (dt.Rows.Count > 0)
    25         {
    26             foreach (DataRow dr in dt.Rows)
    27             {
    28                 sTBList.Add(dr["TABLE_NAME"].ToString());
    29             }
    30         }
    31         OleDbDataAdapter myCommand = new OleDbDataAdapter("SELECT * FROM [" + sTBList[0] + "]", strConn);
    32         //OleDbDataAdapter myCommand = new OleDbDataAdapter("SELECT * FROM [Sheet1$]", strConn);
    33         System.Data.DataTable myDataSet = new System.Data.DataTable();
    34         myCommand.Fill(myDataSet);
    35         odc.Close();
    36         return myDataSet;
    37     }
    38     catch (Exception e)
    39     {               
    40         return null;
    41     }
    42 }

    匯入excel資料到List<string>

    view source
    print?
    01 /// <summary>
    02 /// Imports the excel to list.
    03 /// </summary>
    04 /// <param name="FName">Name of the F.</param>
    05 /// <param name="TableName">Name of the table.</param>
    06 /// <param name="SheetName">Name of the sheet.</param>
    07 /// <param name="HasFieldName">if set to <c>true</c> [has field name].</param>
    08 /// <param name="delimiter">The delimiter.</param>
    09 /// <returns></returns>
    10 public static List<string> ImportExcelToList(string FName, string TableName, bool HasFieldName, string delimiter)
    11 {
    12     List<string> result = new List<string>();
    13     string strConn;
    14     /*  strConn = "Provider=Microsoft.Jet.OLEDB.4.0;" +
    15       "Data Source=" + FName +
    16       ";Extended Properties=Excel 8.0;";*/
    17     if (HasFieldName)
    18         /*如果Excel中的第一列為欄名,則寫成*/
    19         strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=YES;IMEX=1;/"";
    20     else
    21         strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=NO;IMEX=1;/"";
    22     using (OleDbConnection cn = new OleDbConnection(strConn))
    23     {
    24         cn.Open();
    25         List<string> sTBList = new List<string>();
    26         DataTable dt = cn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });                
    27         if (dt.Rows.Count > 0)
    28         {
    29             foreach (DataRow dr in dt.Rows)
    30             {
    31                 sTBList.Add(dr["TABLE_NAME"].ToString());
    32             }
    33         }
    34         //工作表名稱需要加$字串
    35         //string qs = "select * from[" + SheetName + "$]";
    36         string qs = "select * from[" + sTBList[0] + "]";
    37         try
    38         {
    39             using (OleDbCommand cmd = new OleDbCommand(qs, cn))
    40             {
    41                 using (OleDbDataReader dr = cmd.ExecuteReader())
    42                 {
    43                     while (dr.Read())
    44                     {
    45                         string TempString = "";
    46                         //int Col = dr.FieldCount;
    47                         for (int i = 0; i < dr.FieldCount; i++)
    48                         {
    49                             TempString += dr[i].ToString() + delimiter;
    50                         }
    51                         result.Add(TempString);
    52                     }
    53                 }
    54             }
    55         }
    56         catch (Exception ex)
    57         {
    58             MessageBox.Show(ex.Message);
    59         }
    60           
    61     }
    62     return result;
    63 }

    建立worksheet

    view source
    print?
    01 /// <summary>
    02 /// Creates the excel sheet.
    03 /// </summary>
    04 /// <param name="FName">Name of the F.</param>
    05 /// <param name="TableName">Name of the table.</param>
    06 /// <param name="SheetName">Name of the sheet.</param>
    07 /// <param name="HasFieldName">if set to <c>true</c> [has field name].</param>
    08 public static void CreateExcelSheet(string FName, string TableName, string SheetName, bool HasFieldName)
    09 {
    10     string strConn;
    11     /*  strConn = "Provider=Microsoft.Jet.OLEDB.4.0;" +
    12       "Data Source=" + FName +
    13       ";Extended Properties=Excel 8.0;";*/
    14     if (HasFieldName)
    15         /*如果Excel中的第一列為欄名,則寫成*/
    16         strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=YES;IMEX=1;/"";
    17     else
    18         strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=NO;IMEX=1;/"";
    19       
    20     string ColumnName = NewMediaTest1.Model.DbOperation.GetColumnName(TableName);
    21     string[] ColTemp = ColumnName.Split(',');                                                  
    22     // 用OldDb方式去建table 
    23     string ExcelColumnName = string.Join(" text , ", ColTemp);  
    24     ExcelColumnName += " text ";
    25       using (OleDbConnection cn = new OleDbConnection(strConn))
    26      {
    27          cn.Open();
    28          //工作表名稱需要加$字串
    29            //建立工作表
    30                  string qs = " CREATE TABLE " + SheetName + " (" + ExcelColumnName + " ) ";                         
    31                  try
    32                  {                            
    33                      using (OleDbCommand cmd = new OleDbCommand(qs, cn))
    34                      {
    35                          //新增Excel工作表
    36                          cmd.ExecuteNonQuery();                                
    37                      }
    38                  }
    39                  catch (Exception ex)
    40                  {
    41                      MessageBox.Show(ex.Message);
    42                  }
    43      }
    44 }

    在worksheet中新增一行

    view source
    print?
    01 /// <summary>
    02         /// Inserts the single line excel sheet.
    03         /// </summary>
    04         /// <param name="FName">Name of the F.</param>
    05         /// <param name="SheetName">Name of the sheet.</param>
    06         /// <param name="HasFieldName">if set to <c>true</c> [has field name].</param>
    07         /// <param name="InsertData">The insert data.</param>
    08         public static void InsertSingleLineExcelSheet(string FName, string SheetName, bool HasFieldName, params string[] InsertData)
    09         {
    10             string strConn;
    11             /*  strConn = "Provider=Microsoft.Jet.OLEDB.4.0;" +
    12               "Data Source=" + FName +
    13               ";Extended Properties=Excel 8.0;";*/
    14             if (HasFieldName)
    15                 /*如果Excel中的第一列為欄名,則寫成*/
    16                 strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=YES;IMEX=1;/"";
    17             else
    18                 strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=NO;IMEX=1;/"";
    19             string InsertString = NewMediaTest1.Model.DbOperation.InsertDataString(InsertData);          
    20             // 用OldDb方式去建table 
    21             using (OleDbConnection cn = new OleDbConnection(strConn))
    22             {
    23                 cn.Open();
    24                 //工作表名稱需要加$字串
    25                 //建立工作表 
    26                 string qs = "INSERT INTO [" + SheetName + "$] VALUES( " + InsertString + " )";
    27                 try
    28                 {
    29                     using (OleDbCommand cmd = new OleDbCommand(qs, cn))
    30                     {
    31   
    32                         //增加資料
    33   
    34                         //  cmd.CommandText = "INSERT INTO [" + SheetName + "$] VALUES( " +InsertString+" )";
    35   
    36                         cmd.ExecuteNonQuery();
    37   
    38                     }
    39   
    40                 }
    41   
    42                 catch (Exception ex)
    43                 {
    44   
    45                     MessageBox.Show(ex.Message);
    46   
    47                 }
    48   
    49             }
    50   
    51         }

    更新worksheet一行

    view source
    print?
    01 /// <summary>
    02         /// Updates the sheet single line.
    03         /// </summary>
    04         /// <param name="FName">Name of the F.</param>
    05         /// <param name="TableName">Name of the table.</param>
    06         /// <param name="SheetName">Name of the sheet.</param>
    07         /// <param name="HasFieldName">if set to <c>true</c> [has field name].</param>
    08         /// <param name="Condition">The condition.</param>
    09         /// <param name="UpdateData">The update data.</param>
    10         public static void UpdateSheetSingleLine(string FName,string TableName, string SheetName,bool HasFieldName,string Condition, params string[] UpdateData)
    11         {
    12             string strConn;            
    13             if (HasFieldName)
    14                 /*如果Excel中的第一列為欄名,則寫成*/
    15                 strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=YES;IMEX=1;/"";
    16             else
    17                 strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FName + ";Extended Properties=/"Excel 8.0;HDR=NO;IMEX=1;/"";
    18             string UpdateDataString = NewMediaTest1.Model.DbOperation.UpdateDataString(UpdateData, TableName);                        
    19             string WhereCondition = "";
    20             if(Condition != "")
    21                 WhereCondition = " where " + Condition ;
    22             string qs1 = "Update [" + SheetName + "$] set " + UpdateDataString + WhereCondition;           
    23             //1.建立連線
    24             using (OleDbConnection cn = new OleDbConnection(strConn))
    25             {
    26                 cn.Open();
    27                 //2.建立OleDbCommand物件
    28                 using (OleDbCommand cm = new OleDbCommand(qs1, cn))
    29                 {
    30                     cm.ExecuteNonQuery();
    31                 }
    32             }
    33   
    34         }

    匯出excel for windowfrom

    view source
    print?
    01 [DllImport("User32.dll", CharSet = CharSet.Auto)]
    02 public static extern int GetWindowThreadProcessId(IntPtr hwnd, out int ID);
    03 [DllImport("User32.dll", CharSet = CharSet.Auto)]
    04 public static extern int FindWindow(string strclassName, string strWindowName);
    05 /// <summary>
    06 /// Exports the excel.
    07 /// </summary>
    08 /// <param name="ds">The ds.</param>
    09 /// <param name="ListName">Name of the list.</param>
    10 /// <param name="AddTitle">if set to <c>true</c> [add title].</param>
    11 public static void ExportExcel(System.Data.DataTable ds, string[] ListName, bool AddTitle)
    12 {
    13     try
    14     {
    15         Microsoft.Office.Interop.Excel.Application excel = new Microsoft.Office.Interop.Excel.Application();
    16         excel.Caption = "ExportExcel";
    17         excel.Application.Workbooks.Add(true);
    18         Microsoft.Office.Interop.Excel.Worksheet ExcelSheets;
    19         ExcelSheets = (Microsoft.Office.Interop.Excel.Worksheet)excel.Worksheets.get_Item(1);
    20         if (AddTitle == true)
    21         {
    22             for (int q = 0; q < ListName.Length; q++)
    23                 ExcelSheets.Cells[1, q + 1] = ListName[q].ToString();
    24         }
    25         object missing = Missing.Value;
    26         excel.DisplayAlerts = false;
    27         excel.Visible = false;
    28         int RoLength = ds.Rows.Count;
    29         int i, j;
    30         for (i = 0; i < RoLength; i++)
    31         {
    32             for (j = 0; j < ListName.Length; j++)
    33             {
    34                 string value = ds.Rows[i][j].ToString();
    35                 if (AddTitle == true)
    36                     ExcelSheets.Cells[i + 2, j + 1] = value;
    37                 else
    38                     ExcelSheets.Cells[i + 1, j + 1] = value;
    39             }
    40         }//for 
    41         SaveFileDialog saveFileDialog = new SaveFileDialog();
    42         saveFileDialog.Filter = "Excel files(*.xls)|*.xls|All files(*.*)|*.*";
    43         saveFileDialog.Title = "test";
    44         saveFileDialog.FilterIndex = 1;
    45         saveFileDialog.RestoreDirectory = true;
    46         if (saveFileDialog.ShowDialog() == DialogResult.OK)
    47         {
    48             ExcelSheets.SaveAs(saveFileDialog.FileName, Microsoft.Office.Interop.Excel.XlFileFormat.xlExcel9795, Type.Missing, Type.Missing, false, false, false, Type.Missing, Type.Missing, true);
    49         }//if()
    50         //針對標題去找EXCEL程式的PID(唯一值),最後會依靠PID去關閉EXCEL程式
    51         IntPtr t = new IntPtr(FindWindow("XLMAIN", excel.Caption));
    52         int k = 0;
    53         GetWindowThreadProcessId(t, out k);
    54         System.Diagnostics.Process p_excel = System.Diagnostics.Process.GetProcessById(k);
    55         excel.Workbooks.Close();
    56         excel.Quit();
    57         p_excel.Kill();
    58         excel = null;
    59         p_excel = null;
    60     }//try 
    61     catch (System.Exception e)
    62     {
    63        return null;
    64     }
    65 }

    合併worksheet

    view source
    print?
    01 /// <summary>
    02         /// Merges the sheet from file.
    03         /// </summary>
    04         /// <param name="SourceFile1">The source file1.</param>
    05         /// <param name="SourceFile2">The source file2.</param>
    06         /// <param name="Destiation">The destiation.</param>
    07         /// <param name="AppendInFirst">if set to <c>true</c> [append in first].</param>
    08         /// <param name="Source2SheetName">Name of the source2 sheet.</param>
    09         public static void MergeSheetFromFile(string SourceFile1, string SourceFile2, string Destiation,bool AppendInFirst,string Source2SheetName)
    10         {
    11             object missing = Missing.Value;
    12             string oFirstXls = SourceFile1;//excel檔1  
    13             string oSecondXls = SourceFile2;//excel檔2  
    14             string oOutputXls = Destiation;//合併檔,excel檔3  
    15             string SheetName = "";
    16             if (Source2SheetName == "")
    17                 SheetName = "Sheet1";
    18             else
    19                 SheetName = string.Copy(Source2SheetName);
    20   
    21             Excel.Application excelApp = new Excel.ApplicationClass();
    22             Excel.Workbook wbook1 = excelApp.Workbooks.Open(oFirstXls, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing);//載入excel檔1
    23             Excel.Workbook wbook2 = excelApp.Workbooks.Open(oSecondXls, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing, missing);//載入excel檔2
    24             if(!AppendInFirst)
    25                 wbook1.Worksheets.Copy(missing, wbook2.Sheets[SheetName]);//在excel檔2的Sheet1之後插入所有excel檔1的Sheet
    26             else
    27                 wbook1.Worksheets.Copy(wbook2.Sheets[SheetName], missing);//在excel檔2的Sheet1之前插入所有excel檔1的Sheet
    28             wbook2.SaveAs(oOutputXls, missing, missing, missing, missing, missing, Excel.XlSaveAsAccessMode.xlNoChange, missing, missing, missing, missing, missing);//另存excel檔3
    29             wbook1.Close(missing, missing, missing);
    30             wbook2.Close(missing, missing, missing);
    31             excelApp.Quit();
    32         }
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  • 原文地址：https://www.cnblogs.com/marryZhan/p/2213946.html
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