1

Yes.Application/Installs/InstallCommandHandler.cs

@@ -3,6 +3,7 @@
     public record InstallCommand(
             string DatabaseType,
             string DatabaseServer,
+            string DatabaseVersion,
             string DatabaseUser,
             string DatabasePassword,
             string DatabaseName,
@@ -13,7 +14,6 @@
 
     public class InstallCommandHandler(
         IConnectionStringProvider connectionStringProvider,
-        IHttpContextAccessor accessor,
         IMigratorProvider migratorProvider,
         IWebHostEnvironment env,
         IConfigurationService configurationService,
@@ -26,7 +26,6 @@
         private readonly IConfigurationService _configurationService = configurationService;
         private readonly IWebHostEnvironment _env = env;
         private readonly IFileService _fileService = fileService;
-        private readonly IHttpContextAccessor _accessor = accessor;
         public async Task<InstallCommandResponse> Handle(InstallCommand request, CancellationToken cancellationToken)
         {
             if (!string.IsNullOrEmpty(_settings.ConnectionString) && !string.IsNullOrEmpty(_settings.DatabaseType) && !string.IsNullOrEmpty(_settings.DatabaseName))
@@ -49,11 +48,11 @@
                 Enum.TryParse(request.DatabaseType, out DatabaseTypeEnum databaseType);
                 var databaseServer = request.DatabaseServer;
                 var databaseName = request.DatabaseName;
-
+                var databaseVersion = request.DatabaseVersion;
 
                 var settings = new BlogSettings();
-                settings.Url = _accessor.HttpContext?.GetCurrentDomain() ?? "";
 
+                settings.DatabaseVersion = databaseVersion;
                 settings.DatabaseName = databaseName;
                 settings.DatabaseType = databaseType.ToString();
                 settings.ConnectionString = _connectionStringProvider.GetConnectionString(databaseType, databaseServer, databaseName, request.DatabaseUser, request.DatabasePassword);

Yes.Blog/Areas/Install/Pages/Index.cshtml

@@ -91,19 +91,23 @@
                 <option value="PostgreSql">PostgreSQL</option>
             </select>
         </div>
-        <div class="form-group" >
+        <div class="form-group" x-show="data.databaseType && data.databaseType=='MySql'">
+            <label>数据库版本:</label>
+            <input type="text" class="form-control" x-model="data.databaseVersion" placeholder="请填写数据库版本,如 8.4.5">
+        </div>
+        <div class="form-group">
             <label>数据库地址:</label>
             <input type="text" class="form-control" x-model="data.databaseServer" placeholder="请输入您的数据库地址">
         </div>
-        <div class="form-group" >
+        <div class="form-group">
             <label>数据库用户名:</label>
             <input type="text" class="form-control" x-model="data.databaseUser" placeholder="请输入您的数据库用户名">
         </div>
-        <div class="form-group" >
+        <div class="form-group">
             <label>数据库密码:</label>
             <input type="text" class="form-control" x-model="data.databasePassword" placeholder="请输入您的数据库密码">
         </div>
-        <div class="form-group" >
+        <div class="form-group">
             <label>数据库名称:</label>
             <input type="text" class="form-control" x-model="data.databaseName" placeholder="请输入您的数据库名称">
         </div>

Yes.Blog/DependencyInjection.cs

@@ -1,6 +1,4 @@
-using Microsoft.AspNetCore.Http;
+namespace Yes.Blog
-
-namespace Yes.Blog
 {
     public static class DependencyInjection
     {

Yes.Blog/Endpoints/Blogs/InstallEndpoint.cs

@@ -1,7 +1,4 @@
 
-
-using Yes.Application.Installs;
-
 namespace Yes.Blog.Endpoints.Blogs
 {
     public class InstallEndpoint : BlogEndpointScheme, IEndpoint
@@ -11,6 +8,7 @@ namespace Yes.Blog.Endpoints.Blogs
         public record Request(
             string DatabaseType,
             string DatabaseServer,
+            string DatabaseVersion,
             string DatabaseUser,
             string DatabasePassword,
             string DatabaseName,

Yes.Blog/GlobalUsings.cs

@@ -42,3 +42,6 @@ global using Yes.Infrastructure.Authorizations;
 global using Yes.Infrastructure.Middlewares;
 global using Yes.Infrastructure.ViewEngine;
 global using IResult = Yes.Domain.Core.Models.IResult;
+
+global using Yes.Application.Installs;
+global using Scalar.AspNetCore;

Yes.Blog/Program.cs

@@ -1,7 +1,3 @@
-using Microsoft.AspNetCore.Builder;
-using Microsoft.OpenApi.Any;
-using Microsoft.OpenApi.Models;
-using Scalar.AspNetCore;
 
 namespace Yes.Blog
 {

Yes.Domain/Configurations/BlogSettings.cs

@@ -2,13 +2,13 @@
 {
     public class BlogSettings
     {
-        public string ConnectionString { get; set; }
+        public string ConnectionString { get; set; } = "";
 
-        public string DatabaseName { get; set; }
+        public string DatabaseName { get; set; } = "";
-
-        public string DatabaseType { get; set; }
 
+        public string DatabaseType { get; set; } = "";
 
+        public string DatabaseVersion { get; set; } = "";
         public string Name { get; set; } = "我的博客";
 
         public string Logo { get; set; } = "";

Yes.Domain/Core/Data/IConnectionStringProvider.cs

@@ -8,7 +8,7 @@ namespace Yes.Domain.Core.Data
 
         DatabaseTypeEnum GetDatabaseType();
 
-
+        string GetDatabaseVersion();
 
         string GetConnectionStringWithoutDatabase(DatabaseTypeEnum databaseType, string connectionString);
 

Yes.Infrastructure/Authorizations/AuthenticationExtensions.cs

@@ -1,4 +1,4 @@
-using Microsoft.AspNetCore.Http.Extensions;
+
 
 namespace Yes.Infrastructure.Authorizations
 {

Yes.Infrastructure/Data/ConnectionStringBuilders/ConnectionStringProvider.cs

@@ -29,6 +29,11 @@
             return databaseType;
         }
 
+        public string GetDatabaseVersion()
+        {
+            return _settings.DatabaseVersion;
+        }
+
         public string GetConnectionStringWithoutDatabase(DatabaseTypeEnum databaseType, string connectionString)
         {
             var builder = ConnectionStringBuilderFactory.CreateStringBuilder(databaseType, connectionString);

Yes.Infrastructure/Data/DbContexts/BlogDbContext.cs

@@ -5,12 +5,13 @@
 
         private readonly string _connectionString;
         private readonly DatabaseTypeEnum _databaseType;
-
+        private readonly string _databaseVersion;
 
         public BlogDbContext(IConnectionStringProvider connectionStringProvider)
         {
             _connectionString = connectionStringProvider.GetConnectionString();
             _databaseType = connectionStringProvider.GetDatabaseType();
+            _databaseVersion = connectionStringProvider.GetDatabaseVersion();
         }
 
 
@@ -20,7 +21,7 @@
             _ = _databaseType switch
             {
                 DatabaseTypeEnum.SqlServer => builder.UseSqlServer(_connectionString),
-                DatabaseTypeEnum.MySql => builder.UseMySql(_connectionString, MySqlServerVersion.AutoDetect(_connectionString)),
+                DatabaseTypeEnum.MySql => builder.UseMySql(_connectionString, string.IsNullOrEmpty(_databaseVersion) ? MySqlServerVersion.AutoDetect(_connectionString) : new MySqlServerVersion(_databaseVersion)),
                 DatabaseTypeEnum.PostgreSQL => builder.UseNpgsql(_connectionString),
 
                 _ => throw new DatabaseNotSupportedException()

Yes.Infrastructure/GlobalUsings.cs

@@ -43,4 +43,7 @@ global using Yes.Infrastructure.Authorizations.Identity;
 global using Yes.Infrastructure.Authorizations.Identity.Authroizations;
 global using Yes.Infrastructure.Authorizations.Identity.Context;
 global using Yes.Infrastructure.Data.DbContexts;
-global using Yes.Infrastructure.Migrator.Migrations;
+global using Yes.Infrastructure.Migrator.Migrations;
+global using MySql.Data.MySqlClient;
+global using Npgsql;
+global using Microsoft.AspNetCore.Http.Extensions;

Yes.Infrastructure/Migrator/MigratorHelper.cs

@@ -27,7 +27,7 @@
             return databaseType switch
             {
                 DatabaseTypeEnum.SqlServer => builder.AddSqlServer(),
-                DatabaseTypeEnum.MySql => builder.AddMySql8().AddMySql5().AddMySql4(),
+                DatabaseTypeEnum.MySql => builder.AddMySql(),
                 DatabaseTypeEnum.PostgreSQL => builder.AddPostgres(),
 
                 _ => throw new DatabaseNotSupportedException()

Yes.Infrastructure/Migrator/Providers/MigratorProvider.cs

@@ -1,4 +1,6 @@
-namespace Yes.Infrastructure.Migrator.Providers
+
+
+namespace Yes.Infrastructure.Migrator.Providers
 {
     public class MigratorProvider : IMigratorProvider
     {
@@ -70,14 +72,50 @@
             {
                 case DatabaseTypeEnum.SqlServer:
 
-                    var connection = new SqlConnection(connectionStringWithoutDatabase);
+                    using (var connection = new SqlConnection(connectionStringWithoutDatabase))
-                    var records = connection.Query($"SELECT name FROM sys.databases WHERE name = '{dbName}';");
-                    if (!records.Any())
                     {
-                        connection.Execute($"CREATE DATABASE {dbName}");
+                        var records = connection.Query($"SELECT name FROM sys.databases WHERE name = '{dbName}';");
+                        if (!records.Any())
+                        {
+                            connection.Execute($"CREATE DATABASE {dbName}");
+                        }
                     }
                     break;
 
+                case DatabaseTypeEnum.PostgreSQL:
+
+                    using (var connection = new NpgsqlConnection(connectionStringWithoutDatabase))
+                    {
+                        var exists = connection.ExecuteScalar<bool>(
+                            "SELECT EXISTS(SELECT 1 FROM pg_database WHERE datname = @dbName)",
+                            new { dbName }
+                        );
+                        if (!exists)
+                        {
+                            connection.Execute($"CREATE DATABASE \"{dbName}\" ENCODING = 'UTF8'");
+                        }
+                    }
+                    break;
+
+                case DatabaseTypeEnum.MySql:
+                    using (var connection = new MySqlConnection(connectionStringWithoutDatabase)) // 需要 MySql.Data NuGet 包
+                    {
+                        // 参数化查询
+                        var records = connection.Query<string>(
+                            "SELECT SCHEMA_NAME FROM information_schema.SCHEMATA WHERE SCHEMA_NAME = @dbName",
+                            new { dbName }
+                        );
+
+                        if (!records.Any())
+                        {
+                            // 指定字符集和排序规则（推荐）
+                            connection.Execute($@"
+                        CREATE DATABASE `{dbName}` 
+                        CHARACTER SET utf8mb4 
+                        COLLATE utf8mb4_general_ci");
+                        }
+                    }
+                    break;
 
 
             }