초기 커밋.

2026-02-11 10:10:43 +09:00
parent a1407fe1c0
commit 0956e4d38a
142 changed files with 72021 additions and 0 deletions
--- a/LFP_Manager_PRM/Function/csExcelExport.cs
+++ b/LFP_Manager_PRM/Function/csExcelExport.cs
@@ -0,0 +1,84 @@
+using System;  
+using System.Collections.Generic;  
+using System.Data;  
+using System.Linq;  
+using System.IO;  
+using System.Data.OleDb; 
+
+namespace LFP_Manager.Function
+{
+    public static class csExcelExport
+    {
+        public static void ExportToExcel(this DataTable dataTable, String filePath, bool overwiteFile = true)  
+        {
+            if (Directory.Exists(Path.GetDirectoryName(filePath)) == false)
+                Directory.CreateDirectory(Path.GetDirectoryName(filePath));
+            if (File.Exists(filePath) && overwiteFile)
+                File.Delete(filePath);
+
+            //var conn = String.Format("Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};Extended Properties='Excel 8.0;HDR=Yes;IMEX=0';", filePath);
+            var conn = "";
+
+            if (filePath.IndexOf(".xlsx") > -1)      // 확장자에 따라서 provider 주의
+                conn = String.Format("Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};Extended Properties='Excel 12.0;HDR=Yes;IMEX=3';", filePath);
+            else
+                conn = String.Format("Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};Extended Properties='Excel 8.0;HDR=Yes;IMEX=3';", filePath);
+
+            using (OleDbConnection connection = new OleDbConnection(conn))  
+            {  
+                connection.Open();  
+                using (OleDbCommand command = new OleDbCommand())  
+                {  
+                    command.Connection = connection;
+                    List<String> columnNames = new List<string>();
+                    List<String> columnTypes = new List<string>();
+                    foreach (DataColumn dataColumn in dataTable.Columns)  
+                    {  
+                        columnNames.Add(dataColumn.ColumnName);
+                        string tName = "VARCHAR";
+                        switch (dataColumn.DataType.Name)
+                        {
+                            case "Int16": tName = "INTEGER"; break;
+                            case "Int32": tName = "INTEGER"; break;
+                            case "Int64": tName = "INTEGER"; break;
+                            case "Double": tName = "DOUBLE"; break;
+                            case "String": tName = "VARCHAR"; break;
+                            default: tName = dataColumn.DataType.Name; break;
+                        }
+                        columnTypes.Add(tName);
+                    }
+                    String tableName = !String.IsNullOrWhiteSpace(dataTable.TableName) ? dataTable.TableName : Guid.NewGuid().ToString();  
+                    //command.CommandText = @"CREATE TABLE [{tableName}] ({String.Join(",", columnNames.Select(c => $"[{c}] VARCHAR").ToArray())});";
+                    //string join = String.Join(",", columnNames.Select(c => String.Format("[{0}] VARCHAR", c)).ToArray());
+                    string join = "";
+                    for (int i = 0; i < columnNames.Count; i++)
+                    {
+                        join += String.Format("[{0}] {1}", columnNames[i], columnTypes[i]);
+                        if (i < (columnNames.Count - 1)) join += ",";
+                    }
+                    command.CommandText = String.Format("CREATE TABLE [{0}] ({1});", 
+                        tableName,
+                        join
+                        );
+                    command.ExecuteNonQuery();  
+  
+                    foreach (DataRow row in dataTable.Rows)  
+                    {  
+                        List<String> rowValues = new List<string>();  
+                        foreach (DataColumn column in dataTable.Columns)  
+                        {  
+                            rowValues.Add((row[column] != null && row[column] != DBNull.Value) ? row[column].ToString() : String.Empty);  
+                        }  
+                        //command.CommandText = $"INSERT INTO [{tableName}]({String.Join(",", columnNames.Select(c => $"[{c}]"))}) VALUES ({String.Join(",", rowValues.Select(r => $"'{r}'").ToArray())});";  
+                        string a = String.Join(",", columnNames.Select(c => String.Format("[{0}]", c)));
+                        string b = String.Join(",", rowValues.Select(r => String.Format("'{0}'", (r == "") ? "0": r)).ToArray());
+                        command.CommandText = String.Format("INSERT INTO [{0}]({1}) VALUES ({2});", tableName, a, b);  
+                        command.ExecuteNonQuery();  
+                    }  
+                }  
+  
+                connection.Close();  
+            }  
+        }  
+    }  
+}