添加项目文件。

Mssql2Sqlite/Mssql2Sqlite.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)'=='Release'">
+    <DebugSymbols>False</DebugSymbols>
+    <DebugType>None</DebugType>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Dapper" Version="2.1.35" />
+    <PackageReference Include="Microsoft.Data.SqlClient" Version="5.2.2" />
+    <PackageReference Include="Microsoft.Data.Sqlite.Core" Version="9.0.1" />
+    <PackageReference Include="SQLitePCLRaw.bundle_e_sqlite3" Version="2.1.10" />
+  </ItemGroup>
+
+</Project>

Mssql2Sqlite/Program.cs

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+using Dapper;
+using Microsoft.Data.SqlClient;
+using Microsoft.Data.Sqlite;
+
+namespace Mssql2Sqlite
+{
+    internal class Program
+    {
+        static void Main(string[] args)
+        {
+            if (args.Length != 4 && args.Length != 6)
+            {
+                Console.WriteLine("Usage for SQL Server integrated security:");
+                Console.WriteLine("Mssql2Sqlite.exe <sqliteFile> <userGuid> <sqlServer> <sqlDatabase>");
+
+                Console.WriteLine("");
+                Console.WriteLine("Usage for SQL Server user security:");
+                Console.WriteLine("Mssql2Sqlite.exe <sqliteFile> <userGuid> <sqlServer> <sqlDatabase> <SQLServerUser> <SQLServerPassword>");
+
+                Console.WriteLine("sqliteFile: The SQLite file to import the data into, must already exist with proper schema. Existing data will be deleted.");
+                Console.WriteLine("userGuid: The UserId from the SQLite users.db that you want to associate with the import. Use: 963f0b81-f2ac-488b-9b21-521852641ec4 for admin@tightwiki.com");
+
+                Console.WriteLine("sqlServer: The SQL Server name to export the data from.");
+                Console.WriteLine("SQLServerUser: Optional, is the username to use for connecting to SQL Server.");
+                Console.WriteLine("SQLServerPassword: Optional, is the password to use for connecting to SQL Server.");
+                return;
+            }
+
+            string sqliteFile = args[0];
+            string userId = args[1];
+
+            var builder = new SqlConnectionStringBuilder
+            {
+                DataSource = args[2],
+                InitialCatalog = args[3],
+                Encrypt = SqlConnectionEncryptOption.Optional,
+                TrustServerCertificate = true
+            };
+
+            if (args.Length == 4)
+            {
+                builder.IntegratedSecurity = true;
+            }
+            else if (args.Length == 6)
+            {
+                builder.IntegratedSecurity = false;
+                builder.UserID = args[3];
+                builder.Password = args[4];
+            }
+
+            MigrateTable("Page", sqliteFile, builder.ToString(), userId);
+            MigrateTable("PageFile", sqliteFile, builder.ToString(), userId);
+            MigrateTable("PageRevision", sqliteFile, builder.ToString(), userId);
+            MigrateTable("PageFileRevision", sqliteFile, builder.ToString(), userId);
+            MigrateTable("PageRevisionAttachment", sqliteFile, builder.ToString(), userId);
+        }
+
+        static void MigrateTable(string tableName, string sqliteFile, string sqlServerConnectionString, string userId)
+        {
+            using var sqlServerConnection = new SqlConnection(sqlServerConnectionString);
+            var data = sqlServerConnection.Query<dynamic>($"SELECT * FROM [{tableName}]").ToList();
+            var insertColumns = sqlServerConnection.Query<string>($"SELECT name from sys.columns where object_id = object_id('{tableName}')").ToList();
+
+            using (var sqliteConnection = new SqliteConnection($"Data Source={sqliteFile}"))
+            {
+                sqliteConnection.Open();
+
+                // Enable writing of identity columns in SQLite
+                sqliteConnection.Execute("PRAGMA foreign_keys=OFF;");
+                sqliteConnection.Execute("BEGIN TRANSACTION;");
+                sqliteConnection.Execute("PRAGMA defer_foreign_keys=ON;");
+
+                var selectColumns = new List<string>();
+
+                foreach (var column in insertColumns)
+                {
+                    switch (column)
+                    {
+                        case "Namespace":
+                            selectColumns.Add("Coalesce(@Namespace, '')");
+                            break;
+                        case "CreatedByUserId":
+                        case "ModifiedByUserId":
+                            selectColumns.Add($"'{userId}'");
+                            break;
+                        default:
+                            selectColumns.Add($"@{column}");
+                            break;
+                    }
+                }
+
+                if (tableName == "PageFileRevision")
+                {
+                    insertColumns.Add("CreatedByUserId");
+                    selectColumns.Add("(SELECT P.ModifiedByUserId FROM PageFile as PF INNER JOIN Page as P ON P.Id = PF.PageId WHERE PF.Id = @PageFileId)");
+                }
+
+                sqliteConnection.Execute($"DELETE FROM {tableName}");
+
+                foreach (var item in data)
+                {
+                    var insertQuery = $"INSERT INTO {tableName} ({string.Join(",", insertColumns)}) SELECT {string.Join(",", selectColumns)}";
+                    sqliteConnection.Execute(insertQuery, (object?)item);
+                }
+
+                sqliteConnection.Execute("COMMIT;");
+                sqliteConnection.Execute("PRAGMA defer_foreign_keys=OFF;");
+                sqliteConnection.Execute("PRAGMA foreign_keys=ON;");
+            }
+
+            Console.WriteLine("Data import complete.");
+        }
+    }
+}

Mssql2Sqlite/Properties/launchSettings.json

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+{
+  "profiles": {
+    "Mssql2Sqlite": {
+      "commandName": "Project",
+      "commandLineArgs": "C:\\DropZone\\pages.db 963f0b81-f2ac-488b-9b21-521852641ec4 localhost TightWiki_Katzebase"
+    }
+  }
+}