//按Sheet合并所有文件 void AllCombineBySheet() { bool firstRowIsHead = true; if (!checkBox_firstrowishead.Checked) { firstRowIsHead = false; } System.Windows.Forms.OpenFileDialog fileDialog = new System.Windows.Forms.OpenFileDialog(); fileDialog.Multiselect = true; System.Windows.Forms.DialogResult result = fileDialog.ShowDialog(); if (result == System.Windows.Forms.DialogResult.OK) { string basestr = string.Empty; string targetfilename = string.Empty; string[] filenames = fileDialog.FileNames; basestr = filenames[0]; targetfilename = basestr.Substring(0, basestr.LastIndexOf("\\") + 1) + "AllInOneFileBySheet.xlsx"; int num = 0; string targetsheet = "Sheet1"; for (int i = 0; i < filenames.Length; i++) { ExcelEdit ee = new ExcelEdit(); ee.Open(filenames[i]); StringCollection sc = ee.ExcelSheetNames(filenames[i]); for (int j = 0; j < sc.Count; j++) { targetsheet = sc[j].Substring(0, sc[j].Length - 1); DataTable dt = ExcelUtil.ExcelToDataTable(sc[j].Substring(0, sc[j].Length - 1), firstRowIsHead, filenames[i], false); if (num == 0) { string[] sheetnames = new string[sc.Count - 1]; for (int s = 1; s < sc.Count; s++) { sheetnames[s - 1] = sc[s].Substring(0, sc[s].Length - 1); } ExcelUtil.DataTableToExcel(dt, targetsheet, true, targetfilename, sheetnames); } else { //ExcelUtil.appendInfoToFile(targetfilename, targetsheet, dt); ExcelUtil.DataTableToExcel(dt, targetfilename, targetsheet); } num++; } ee.Close(); } } }
//按Sheet合并所有文件-horizontal void AllCombineBySheet_horizontal() { bool firstRowIsHead = true; if (!checkBox_firstrowishead.Checked) { firstRowIsHead = false; } System.Windows.Forms.OpenFileDialog fileDialog = new System.Windows.Forms.OpenFileDialog(); fileDialog.Multiselect = true; System.Windows.Forms.DialogResult result = fileDialog.ShowDialog(); if (result == System.Windows.Forms.DialogResult.OK) { string basestr = string.Empty; string targetfilename = string.Empty; string[] filenames = fileDialog.FileNames; basestr = filenames[0]; targetfilename = basestr.Substring(0, basestr.LastIndexOf("\\") + 1) + "AllInOneFileBySheet-horizontal.xlsx"; Dictionary <string, List <DataTable> > sheet_dtlist_dic = new Dictionary <string, List <DataTable> >(); for (int i = 0; i < filenames.Length; i++) { ExcelEdit ee = new ExcelEdit(); ee.Open(filenames[i]); StringCollection sc = ee.ExcelSheetNames(filenames[i]); ee.Close(); for (int j = 0; j < sc.Count; j++) { string targetsheet = sc[j].Substring(0, sc[j].Length - 1); DataTable dt = ExcelUtil.ExcelToDataTable(sc[j].Substring(0, sc[j].Length - 1), firstRowIsHead, filenames[i], false); if (!sheet_dtlist_dic.ContainsKey(targetsheet)) { sheet_dtlist_dic.Add(targetsheet, new List <DataTable>()); } sheet_dtlist_dic[targetsheet].Add(dt); } } foreach (var key in sheet_dtlist_dic.Keys) { DataTable allDt = new DataTable(); List <DataTable> dtlist = sheet_dtlist_dic[key]; for (int j = 0; j < dtlist.Count; j++) { allDt = DataTableHelper.UniteDataTable(allDt, dtlist[j], ""); } ExcelUtil.DataTableToExcel(allDt, targetfilename, key); } } }
//所有Sheet合并成1个-horizontal void AllInOneSheet_horizontal() { bool firstRowIsHead = true; if (!checkBox_firstrowishead.Checked) { firstRowIsHead = false; } System.Windows.Forms.OpenFileDialog fileDialog = new System.Windows.Forms.OpenFileDialog(); fileDialog.Multiselect = true; System.Windows.Forms.DialogResult result = fileDialog.ShowDialog(); if (result == System.Windows.Forms.DialogResult.OK) { string basestr = string.Empty; string targetfilename = string.Empty; string[] filenames = fileDialog.FileNames; basestr = filenames[0]; targetfilename = basestr.Substring(0, basestr.LastIndexOf("\\") + 1) + "AllInOneSheet-horizontal.xlsx"; string targetsheet = "Sheet1"; DataTable allDt = new DataTable(); for (int i = 0; i < filenames.Length; i++) { ExcelEdit ee = new ExcelEdit(); ee.Open(filenames[i]); StringCollection sc = ee.ExcelSheetNames(filenames[i]); ee.Close(); for (int j = 0; j < sc.Count; j++) { DataTable dt = ExcelUtil.ExcelToDataTable(sc[j].Substring(0, sc[j].Length - 1), firstRowIsHead, filenames[i], false); //合并datatable allDt = DataTableHelper.UniteDataTable(allDt, dt, ""); } } ExcelUtil.DataTableToExcel(allDt, targetsheet, true, targetfilename, null); } }