银医网站建设方案,石家庄网络公司查封,搭建商城哪家好点,做网站需要多少固定带宽using Microsoft.Office.Interop.Excel;//转换为excel时#xff0c;需要引用此命名空间 using ET;//转换为wps时#xff0c;需要引用此命名空间using KSO;//转换为wps时#xff0c;需要引用此命名空间当转换为excel时#xff0c;需要引入Microsoft.Office.Interop.Excel.dl… using Microsoft.Office.Interop.Excel;//转换为excel时需要引用此命名空间 using ET;//转换为wps时需要引用此命名空间using KSO;//转换为wps时需要引用此命名空间当转换为excel时需要引入Microsoft.Office.Interop.Excel.dll;当转换为wps时需要引入Interop.ET.dllInterop.KSO.dll; #region 查询注册表,判断本机是否安装office2003,2007和wps public int ExistsRegedit() { int ifused 0; RegistryKey rk Registry.LocalMachine; RegistryKey akey rk.OpenSubKey(SOFTWARE\Microsoft\Office\11.0\Excel\InstallRoot\);//查询2003 RegistryKey akey07 rk.OpenSubKey(SOFTWARE\Microsoft\Office\12.0\Excel\InstallRoot\);//查询2007 RegistryKey akeytwo rk.OpenSubKey(SOFTWARE\Kingsoft\Office\6.0\common\);//查询wps //检查本机是否安装Office2003 if (akey ! null) { string file03 akey.GetValue(Path).ToString(); if (File.Exists(file03 Excel.exe)) { ifused 1; } } //检查本机是否安装Office2007 if (akey07 ! null) { string file07 akey.GetValue(Path).ToString(); if (File.Exists(file07 Excel.exe)) { ifused 2; } } //检查本机是否安装wps if (akeytwo ! null) { string filewps akeytwo.GetValue(InstallRoot).ToString(); if (File.Exists(filewps \office6\et.exe)) { ifused 4; } } return ifused; } #endregion #region 将DBF文件放入DataSet private DataSet DbfToDs(string my_TablePath, string my_TableName) { //数据库连接定义 OleDbConnection my_conn; //数据连接 OleDbDataAdapter my_Adapter;//数据适配器 DataSet my_Ds null; 数据库连接 try { string path my_TablePath.Substring(0, my_TablePath.LastIndexOf(\\)) \\; string connString ProviderMicrosoft.Jet.OLEDB.4.0;Data Source path ;Extended PropertiesdBASE IV;Persist Security InfoFalse;; string my_StrSelect SELECT * FROM my_TableName; my_conn new OleDbConnection(connString); my_Adapter new OleDbDataAdapter(my_StrSelect, my_conn); my_Ds new DataSet(); //填充数据集 my_Adapter.Fill(my_Ds, my_TableName); } catch (Exception ex) { MessageBox.Show(选择文件格式不正确请选择.dbf文件, 错误, MessageBoxButtons.OK, MessageBoxIcon.Error); } return my_Ds; } #endregions #region 把数据文件导入到.xls文件 public void ExportToExcel(DataSet ds) { if (ds.Tables.Count ! 0) { //创建excel文件 Microsoft.Office.Interop.Excel.Application myExcel new Microsoft.Office.Interop.Excel.ApplicationClass(); //打开已有的文件 Microsoft.Office.Interop.Excel.Workbook xBook myExcel.Workbooks._Open(txtPath.Text , Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value); //指定要操作的sheet Microsoft.Office.Interop.Excel.Worksheet xSheet (Microsoft.Office.Interop.Excel.Worksheet)xBook.Sheets[1]; #region 改成中文列名 xSheet.Cells[1, 1] 程序员; . . . //改成中文列名时可将中文列名放入string[]中然后循环此数组将第一行改成相应的中文列名 #endregion xBook.SaveAs(txtPath.Text, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value); myExcel.Visible true; } else { System.Windows.Forms.MessageBox.Show(No Data); } } #endregion #region 把数据文件导出为wps public void ExportToWps(DataSet ds) { if (ds.Tables.Count 0) { eTApp new ET.Application(); eTApp.Visible false; eTWorkBook eTApp.Workbooks.Open(txtPath.Text, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value); eTWorkSheet (ET.Worksheet)eTWorkBook.Worksheets[1]; #region 改成中文列名 eTWorkBook.ActiveSheet.Cells.set_Item(1, 1, 程序员) #endregion eTWorkBook.SaveAs(txtPath.Text, Missing.Value, Missing.Value, Missing.Value, Missing.Value, Missing.Value, ETSaveAsAccessMode.etNoChange, Missing.Value, Missing.Value, Missing.Value, Missing.Value); eTApp.Visible true; } } #endregion 当转换成xls或者wps时一般都是循环dataset然后将数据写入每一个单元格,但是当数据量大时转换速度会很慢所以将数据放入dataset后可以使用file.copy(文件1,文件2);这样速度会快很多转载于:https://www.cnblogs.com/scgw/archive/2011/09/19/2181145.html
