添加项目文件。

WaterCloud.Data/Extensions/DbHelper.cs

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+/*******************************************************************************
+ * Copyright © 2020 WaterCloud.Framework 版权所有
+ * Author: WaterCloud
+ * Description: WaterCloud快速开发平台
+ * Website：
+*********************************************************************************/
+
+using System;
+using System.Data;
+using System.Data.Common;
+using System.Data.SqlClient;
+using WaterCloud.Code;
+
+namespace WaterCloud.DataBase.Extensions
+{
+	public class DbHelper
+	{
+		private static string connstring = GlobalContext.SystemConfig.DBConnectionString;
+		private static string dbType = GlobalContext.SystemConfig.DBProvider;
+
+		public static int ExecuteSqlCommand(string database, string backupPath)
+		{
+			try
+			{
+				string backupFile = string.Format("{0}\\{1}_{2}.bak", backupPath, database, DateTime.Now.ToString("yyyyMMddHHmmss"));
+				using (DbConnection conn = new SqlConnection(connstring))
+				{
+					string strSql = string.Format(" backup database [{0}] to disk = '{1}'", database, backupFile);
+					DbCommand cmd = new SqlCommand();
+					PrepareCommand(cmd, conn, null, CommandType.Text, strSql, null);
+					return cmd.ExecuteNonQuery();
+				}
+			}
+			catch (Exception ex)
+			{
+				LogHelper.WriteWithTime(ex);
+				return 0;
+			}
+		}
+
+		private static void PrepareCommand(DbCommand cmd, DbConnection conn, DbTransaction isOpenTrans, CommandType cmdType, string cmdText, DbParameter[] cmdParms)
+		{
+			if (conn.State != ConnectionState.Open)
+				conn.Open();
+			cmd.Connection = conn;
+			cmd.CommandText = cmdText;
+			if (isOpenTrans != null)
+				cmd.Transaction = isOpenTrans;
+			cmd.CommandType = cmdType;
+			if (cmdParms != null)
+			{
+				cmd.Parameters.AddRange(cmdParms);
+			}
+		}
+	}
+}