dev合并到master

Test/Test.csproj

@@ -36,7 +36,7 @@
     <Folder Include="Model\" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="NewLife.Stardust" Version="2.0.2022.309" />
+    <PackageReference Include="NewLife.Stardust" Version="2.0.2022.319-beta0414" />
     <PackageReference Include="Oracle.ManagedDataAccess.Core" Version="3.21.50" />
     <PackageReference Include="System.Data.SqlClient" Version="4.8.3" />
   </ItemGroup>

XCode/DataAccessLayer/Database/SqlServer.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Data;
 using System.Data.Common;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Text;
@@ -1013,6 +1014,37 @@ public virtual String IndexSql
         #endregion
 
         #region 数据定义
+        public override Object SetSchema(DDLSchema schema, params Object[] values)
+        {
+            var dbname = "";
+            var file = "";
+            var recoverDir = "";
+            switch (schema)
+            {
+                case DDLSchema.BackupDatabase:
+                    if (values != null)
+                    {
+                        if (values.Length > 0) 
+                            dbname = values[0] as String;
+                        if (values.Length > 1) 
+                            file = values[1] as String;
+                    } 
+                    return Backup(dbname, file, false);
+                case DDLSchema.RestoreDatabase:
+                    if (values != null)
+                    {
+                        if (values.Length > 0)
+                            file = values[0] as String;
+                        if (values.Length > 1)
+                            recoverDir = values[1] as String;
+                    }
+                    return Restore(file, recoverDir, true);
+                default:
+                    break;
+            }
+            return base.SetSchema(schema, values);
+        }
+
         public override String CreateDatabaseSQL(String dbname, String file)
         {
             var dp = (Database as SqlServer).DataPath;
@@ -1096,6 +1128,132 @@ protected override Boolean DatabaseExist(String dbname)
         //    return session.Execute(String.Format("Drop Database {0}", FormatName(databaseName))) > 0;
         //}
 
+        /// <summary>备份文件到目标文件</summary>
+        /// <param name="dbname"></param>
+        /// <param name="bakfile"></param>
+        /// <param name="compressed"></param>
+        public override String Backup(String dbname, String bakfile, Boolean compressed)
+        {
+
+            var name = dbname;
+            if (name.IsNullOrEmpty())
+            {
+                name = Database.DatabaseName;
+            }
+
+            var bf = bakfile;
+            if (bf.IsNullOrEmpty())
+            {
+                var ext = Path.GetExtension(bakfile);
+                if (ext.IsNullOrEmpty()) ext = ".bak";
+
+                if (compressed)
+                    bf = $"{name}{ext}";
+                else
+                    bf = $"{name}_{DateTime.Now:yyyyMMddHHmmss}{ext}";
+            }
+            if (!Path.IsPathRooted(bf)) bf = NewLife.Setting.Current.BackupPath.CombinePath(bf).GetBasePath();
+
+            bf = bf.EnsureDirectory(true);
+
+            WriteLog("{0}备份SqlServer数据库 {1} 到 {2}", Database.ConnName, name, bf);
+
+            var sw = Stopwatch.StartNew();
+
+            // 删除已有文件
+            if (File.Exists(bf)) File.Delete(bf);
+
+            base.Database.CreateSession().Execute($"USE master;BACKUP DATABASE {name} TO disk = '{bf}'");
+
+            // 压缩
+            WriteLog("备份文件大小：{0:n0}字节", bf.AsFile().Length);
+            if (compressed)
+            {
+                var zipfile = Path.ChangeExtension(bf, "zip");
+                if (bakfile.IsNullOrEmpty()) zipfile = zipfile.TrimEnd(".zip") + $"_{DateTime.Now:yyyyMMddHHmmss}.zip";
+
+                var fi = bf.AsFile();
+                fi.Compress(zipfile);
+                WriteLog("压缩后大小：{0:n0}字节，{1}", zipfile.AsFile().Length, zipfile);
+
+                // 删除未备份
+                File.Delete(bf);
+
+                bf = zipfile;
+            }
+
+            sw.Stop();
+            WriteLog("备份完成，耗时{0:n0}ms", sw.ElapsedMilliseconds);
+
+            return bf;
+        }
+
+        /// <summary>还原备份文件到目标数据库</summary>
+        /// <param name="bakfile"></param>
+        /// <param name="recoverDir"></param>
+        /// <param name="replace"></param>
+        /// <param name="compressed"></param>
+        public String Restore(String bakfile,string recoverDir, Boolean replace = true, Boolean compressed = false)
+        {
+            var session = base.Database.CreateSession();
+            var result = "";
+            if (compressed)
+            {
+                return result;
+            }
+            if (bakfile.IsNullOrEmpty())
+            {
+                return result;
+            }
+
+            if (recoverDir.IsNullOrEmpty())
+            {
+                var sql = "select filename from sysfiles";
+                var dt = session.Query(sql).Tables[0];
+                if (dt.Rows.Count < 1)
+                {
+                    return result;
+                }
+                else
+                {
+                    recoverDir = Path.GetDirectoryName(dt.Rows[0][0].ToString());
+                }
+            }
+
+
+            WriteLog("{0}还原SqlServer数据库 备份文件为{1}", Database.ConnName, bakfile);
+
+            var sw = Stopwatch.StartNew();
+
+
+            var headInfo = session.Query($"RESTORE HEADERONLY FROM DISK = '{bakfile}'").Tables[0];
+            var fileInfo = session.Query($"RESTORE FILELISTONLY from disk= N'{bakfile}'").Tables[0];
+            if (headInfo.Rows.Count < 1)
+            {
+                return result;
+            }
+            else
+            {
+                var databaseName = headInfo.Rows[0]["DatabaseName"];
+                var dataName = fileInfo.Rows[0]["LogicalName"];
+                var logName = fileInfo.Rows[1]["LogicalName"];
+                var stopConnect = $"ALTER DATABASE {databaseName} SET OFFLINE WITH ROLLBACK IMMEDIATE";
+                var restorSql = $@"RESTORE DATABASE {databaseName} from disk= N'{bakfile}' 
+                WITH NOUNLOAD,
+                {(replace ? "REPLACE," : "")}
+                    MOVE '{dataName}' TO '{Path.Combine(recoverDir, string.Concat(databaseName, ".mdf"))}',
+                    MOVE '{logName}' TO '{Path.Combine(recoverDir, string.Concat(databaseName, ".ldf"))}';";
+                session.Execute(stopConnect);
+                session.Execute(restorSql);
+                result = "ok";
+            }
+
+            sw.Stop();
+            WriteLog("还原完成，耗时{0:n0}ms", sw.ElapsedMilliseconds);
+
+            return result;
+        }
+
         public override String TableExistSQL(IDataTable table) => $"select * from sysobjects where xtype='U' and name='{table.TableName}'";
 
         /// <summary>使用数据架构确定数据表是否存在，因为使用系统视图可能没有权限</summary>
@@ -1275,6 +1433,7 @@ public override String DropDatabaseSQL(String dbname)
             sb.AppendFormat("Drop Database {0}", Database.FormatName(dbname));
             return sb.ToString();
         }
+
         #endregion
 
         /// <summary>数据类型映射</summary>

XCode/DataAccessLayer/MetaData/DDLSchema.cs

@@ -59,7 +59,7 @@ public enum DDLSchema
         BackupDatabase,
 
         ///// <summary>还原数据库</summary>
-        //RestoreDatabase,
+        RestoreDatabase,
 
         /// <summary>收缩数据库</summary>
         CompactDatabase

XCode/XCode.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk" ToolsVersion="Current">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.1</TargetFrameworks>
+    <TargetFrameworks>net5.0;net6.0</TargetFrameworks>
     <AssemblyName>XCode</AssemblyName>
     <RootNamespace>XCode</RootNamespace>
     <AssemblyTitle>NewLife数据中间件</AssemblyTitle>

XCodeTool/XCodeTool.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFrameworks>netcoreapp3.1;net5.0;net6.0</TargetFrameworks>
+    <TargetFrameworks>net5.0;net6.0</TargetFrameworks>
     <AssemblyName>xcodetool</AssemblyName>
     <RootNamespace>XCode</RootNamespace>
     <AssemblyTitle>数据中间件工具</AssemblyTitle>

XUnitTest.XCode/DataAccessLayer/SqlServerTests.cs

@@ -318,5 +318,53 @@ public void PositiveAndNegative()
             XTrace.WriteLine("tableNames: {0}", tableNames.Join());
             Assert.DoesNotContain(table.TableName, tableNames);
         }
+
+        [Fact]
+        public void Backup()
+        {
+            DAL.AddConnStr("bakSqlServer", "Data Source=.;Initial Catalog=Test2;user id=sa;password=1", null, "SqlServer");
+            var dal = DAL.Create("bakSqlServer");
+            var meta = dal.Db.CreateMetaData();
+
+            var file1 = meta.SetSchema(DDLSchema.BackupDatabase) as String;
+            Assert.NotEmpty(file1);
+            Assert.True(File.Exists(file1));
+            File.Delete(file1);
+
+            var dbname = "AO_Test";
+            var file2 = meta.SetSchema(DDLSchema.BackupDatabase, dbname) as String;
+            Assert.NotEmpty(file2);
+            Assert.Contains(dbname, file2);
+            Assert.True(File.Exists(file2));
+            File.Delete(file2);
+
+            var file = $"bak_{Rand.NextString(8)}.bak";
+            var file4 = meta.SetSchema(DDLSchema.BackupDatabase, dbname, file) as String;
+            Assert.NotEmpty(file4);
+            Assert.Equal(file, Path.GetFileName(file4));
+            Assert.True(File.Exists(file4));
+            File.Delete(file4);
+        }
+
+        [Fact]
+        public void Restore()
+        {
+            DAL.AddConnStr("restoreSqlServer", "Data Source=.;Initial Catalog=master;user id=sa;password=1", null, "SqlServer");
+            var dal = DAL.Create("restoreSqlServer");
+            var meta = dal.Db.CreateMetaData();
+
+            var result = meta.SetSchema(DDLSchema.RestoreDatabase) as String;
+            Assert.Empty(result);
+
+            var result2 = meta.SetSchema(DDLSchema.RestoreDatabase, "C:\\bak_bvi93mq5.bak") as String;
+            Assert.NotEmpty(result2);
+            Assert.Equal("ok", result2);
+
+
+            var result3 = meta.SetSchema(DDLSchema.RestoreDatabase, "C:\\bak_bvi93mq5.bak", "D:\\Program Files (x86)\\Microsoft SQL Server\\MSSQL10_50.MSSQLSERVER\\MSSQL\\DATA") as String;
+            Assert.NotEmpty(result3);
+            Assert.Equal("ok", result3);
+
+        }
     }
 }

XUnitTest.XCode/XUnitTest.XCode.csproj

@@ -96,9 +96,9 @@
     </None>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Data.SqlClient" Version="4.1.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
-    <PackageReference Include="NewLife.UnitTest" Version="1.0.2022.319-beta1053" />
+    <PackageReference Include="NewLife.UnitTest" Version="1.0.2022.319" />
+    <PackageReference Include="System.Data.SqlClient" Version="4.8.3" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3">
       <PrivateAssets>all</PrivateAssets>