Support Create Database

Src/Asp.Net/SqlServerTest/Demo/DemoE_CodeFirst.cs

@@ -15,11 +15,11 @@ namespace OrmTest
             SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
             {
                 DbType = DbType.SqlServer,
-                ConnectionString = Config.ConnectionString,
+                ConnectionString = "server=.;uid=sa;pwd=haosql;database=MyDbBaseTest",
                 InitKeyType = InitKeyType.Attribute,
                 IsAutoCloseConnection = true
             });
-
+            db.DbMaintenance.CreateDatabase();
             db.CodeFirst.InitTables(typeof(CodeFirstTable1));//Create CodeFirstTable1 
             Console.WriteLine("#### CodeFirst end ####");
         }

Src/Asp.Net/SqlSugar/Abstract/AdoProvider/AdoProvider.cs

@@ -552,7 +552,7 @@ namespace SqlSugar
         }
         public virtual List<T> SqlQuery<T>(string sql, params SugarParameter[] parameters)
         {
-            this.Context.InitMppingInfo<T>();
+            this.Context.InitMappingInfo<T>();
             var builder = InstanceFactory.GetSqlbuilder(this.Context.CurrentConnectionConfig);
             builder.SqlQueryBuilder.sql.Append(sql);
             if (parameters != null && parameters.Any())
@@ -597,7 +597,7 @@ namespace SqlSugar
         public Tuple<List<T>, List<T2>> SqlQuery<T, T2>(string sql, object parameters = null)
         {
             var parsmeterArray = this.GetParameters(parameters);
-            this.Context.InitMppingInfo<T>();
+            this.Context.InitMappingInfo<T>();
             var builder = InstanceFactory.GetSqlbuilder(this.Context.CurrentConnectionConfig);
             builder.SqlQueryBuilder.sql.Append(sql);
             if (parsmeterArray != null && parsmeterArray.Any())
@@ -627,7 +627,7 @@ namespace SqlSugar
         public Tuple<List<T>, List<T2>, List<T3>> SqlQuery<T, T2, T3>(string sql, object parameters = null)
         {
             var parsmeterArray = this.GetParameters(parameters);
-            this.Context.InitMppingInfo<T>();
+            this.Context.InitMappingInfo<T>();
             var builder = InstanceFactory.GetSqlbuilder(this.Context.CurrentConnectionConfig);
             builder.SqlQueryBuilder.sql.Append(sql);
             if (parsmeterArray != null && parsmeterArray.Any())
@@ -659,7 +659,7 @@ namespace SqlSugar
         public Tuple<List<T>, List<T2>, List<T3>, List<T4>> SqlQuery<T, T2, T3, T4>(string sql, object parameters = null)
         {
             var parsmeterArray = this.GetParameters(parameters);
-            this.Context.InitMppingInfo<T>();
+            this.Context.InitMappingInfo<T>();
             var builder = InstanceFactory.GetSqlbuilder(this.Context.CurrentConnectionConfig);
             builder.SqlQueryBuilder.sql.Append(sql);
             if (parsmeterArray != null && parsmeterArray.Any())
@@ -692,7 +692,7 @@ namespace SqlSugar
         public Tuple<List<T>, List<T2>, List<T3>, List<T4>, List<T5>> SqlQuery<T, T2, T3, T4, T5>(string sql, object parameters = null)
         {
             var parsmeterArray = this.GetParameters(parameters);
-            this.Context.InitMppingInfo<T>();
+            this.Context.InitMappingInfo<T>();
             var builder = InstanceFactory.GetSqlbuilder(this.Context.CurrentConnectionConfig);
             builder.SqlQueryBuilder.sql.Append(sql);
             if (parsmeterArray != null && parsmeterArray.Any())
@@ -728,7 +728,7 @@ namespace SqlSugar
         public Tuple<List<T>, List<T2>, List<T3>, List<T4>, List<T5>, List<T6>> SqlQuery<T, T2, T3, T4, T5, T6>(string sql, object parameters = null)
         {
             var parsmeterArray = this.GetParameters(parameters);
-            this.Context.InitMppingInfo<T>();
+            this.Context.InitMappingInfo<T>();
             var builder = InstanceFactory.GetSqlbuilder(this.Context.CurrentConnectionConfig);
             builder.SqlQueryBuilder.sql.Append(sql);
             if (parsmeterArray != null && parsmeterArray.Any())
@@ -766,7 +766,7 @@ namespace SqlSugar
         public Tuple<List<T>, List<T2>, List<T3>, List<T4>, List<T5>, List<T6>, List<T7>> SqlQuery<T, T2, T3, T4, T5, T6, T7>(string sql, object parameters = null)
         {
             var parsmeterArray = this.GetParameters(parameters);
-            this.Context.InitMppingInfo<T>();
+            this.Context.InitMappingInfo<T>();
             var builder = InstanceFactory.GetSqlbuilder(this.Context.CurrentConnectionConfig);
             builder.SqlQueryBuilder.sql.Append(sql);
             if (parsmeterArray != null && parsmeterArray.Any())

Src/Asp.Net/SqlSugar/Abstract/CodeFirstProvider/CodeFirstProvider.cs

@@ -39,7 +39,7 @@ namespace SqlSugar
         {
 
             this.Context.Utilities.RemoveCacheAll();
-            this.Context.InitMppingInfo(entityType);
+            this.Context.InitMappingInfo(entityType);
             if (!this.Context.DbMaintenance.IsAnySystemTablePermissions())
             {
                 Check.Exception(true, "Dbfirst and  Codefirst requires system table permissions");

Src/Asp.Net/SqlSugar/Abstract/DbBindProvider/IDataReaderEntityBuilder.cs

@@ -101,7 +101,7 @@ namespace SqlSugar
             LocalBuilder result = generator.DeclareLocal(type);
             generator.Emit(OpCodes.Newobj, type.GetConstructor(Type.EmptyTypes));
             generator.Emit(OpCodes.Stloc, result);
-            this.Context.InitMppingInfo(type);
+            this.Context.InitMappingInfo(type);
             var columnInfos = this.Context.EntityMaintenance.GetEntityInfo(type).Columns;
             foreach (var columnInfo in columnInfos)
             {

Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Methods.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using System.Text;
 
@@ -8,6 +9,10 @@ namespace SqlSugar
     public abstract partial class DbMaintenanceProvider : IDbMaintenance
     {
         #region DML
+        public virtual List<string> GetDataBaseList(SqlSugarClient db)
+        {
+            return db.Ado.SqlQuery<string>(this.GetDataBaseSql);
+        }
         public virtual List<DbTableInfo> GetViewInfoList(bool isCache = true)
         {
             string cacheKey = "DbMaintenanceProvider.GetViewInfoList";
@@ -133,6 +138,37 @@ namespace SqlSugar
         #endregion
 
         #region DDL
+        /// <summary>
+        ///by current connection string
+        /// </summary>
+        /// <param name="databaseDirectory"></param>
+        /// <returns></returns>
+        public virtual bool CreateDatabase(string databaseDirectory = null)
+        {
+            var seChar = Path.DirectorySeparatorChar.ToString();
+            if (databaseDirectory == null)
+            {
+                databaseDirectory = AppDomain.CurrentDomain.BaseDirectory.TrimEnd('\\').TrimEnd('/') +seChar+ "database";
+            }
+            else
+            {
+                databaseDirectory = databaseDirectory.TrimEnd('\\').TrimEnd('/');
+            }
+            var databaseName= this.Context.Ado.Connection.Database;
+            return CreateDatabase(databaseName,databaseDirectory);
+        }
+        /// <summary>
+        /// by databaseName
+        /// </summary>
+        /// <param name="databaseName"></param>
+        /// <param name="databaseDirectory"></param>
+        /// <returns></returns>
+        public virtual bool CreateDatabase(string databaseName, string databaseDirectory = null)
+        {
+            this.Context.Ado.ExecuteCommand(string.Format(CreateDataBaseSql, databaseName, databaseDirectory));
+            return true;
+        }
+
         public virtual bool AddPrimaryKey(string tableName, string columnName)
         {
             tableName = this.SqlBuilder.GetTranslationTableName(tableName);
@@ -174,7 +210,7 @@ namespace SqlSugar
 
         public virtual bool TruncateTable<T>()
         {
-            this.Context.InitMppingInfo<T>();
+            this.Context.InitMappingInfo<T>();
             return this.TruncateTable(this.Context.EntityMaintenance.GetEntityInfo<T>().DbTableName);
         }
         public virtual bool DropColumn(string tableName, string columnName)

Src/Asp.Net/SqlSugar/Abstract/DbMaintenanceProvider/Properties.cs

@@ -26,11 +26,13 @@ namespace SqlSugar
 
         #region DML
         protected abstract string GetViewInfoListSql { get; }
+        protected abstract string GetDataBaseSql { get; }
         protected abstract string GetTableInfoListSql { get; }
         protected abstract string GetColumnInfosByTableNameSql { get; }
         #endregion
 
         #region DDL
+        protected abstract string CreateDataBaseSql { get; }
         protected abstract string AddColumnToTableSql { get; }
         protected abstract string AlterColumnToTableSql { get; }
         protected abstract string BackupDataBaseSql { get; }

Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs

@@ -972,7 +972,7 @@ namespace SqlSugar
         protected ISugarQueryable<TResult> _Select<TResult>(Expression expression)
         {
             QueryBuilder.CheckExpression(expression, "Select");
-            this.Context.InitMppingInfo(typeof(TResult));
+            this.Context.InitMappingInfo(typeof(TResult));
             var result = InstanceFactory.GetQueryable<TResult>(this.Context.CurrentConnectionConfig);
             result.Context = this.Context;
             result.SqlBuilder = this.SqlBuilder;

Src/Asp.Net/SqlSugar/Abstract/SaveableProvider/SaveableProvider.cs

@@ -13,13 +13,13 @@ namespace SqlSugar
         {
             this.saveObjects = saveObjects;
             this.Context = context;
-            this.Context.InitMppingInfo<T>();
+            this.Context.InitMappingInfo<T>();
         }
         internal SaveableProvider(SqlSugarProvider context, T saveObject)
         {
             this.saveObjects = new List<T>() { saveObject };
             this.Context = context;
-            this.Context.InitMppingInfo<T>();
+            this.Context.InitMappingInfo<T>();
         }
         public SqlSugarProvider Context { get; set; }
         public List<T> saveObjects = new List<T>();

Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/DeleteBuilder.cs

@@ -149,7 +149,7 @@ namespace SqlSugar
             resolveExpress.MappingTables = Context.MappingTables;
             resolveExpress.IgnoreComumnList = Context.IgnoreColumns;
             resolveExpress.SqlFuncServices = Context.CurrentConnectionConfig.ConfigureExternalServices == null ? null : Context.CurrentConnectionConfig.ConfigureExternalServices.SqlFuncServices;
-            resolveExpress.InitMappingInfo = Context.InitMppingInfo;
+            resolveExpress.InitMappingInfo = Context.InitMappingInfo;
             resolveExpress.RefreshMapping = () =>
             {
                 resolveExpress.MappingColumns = Context.MappingColumns;

Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs

@@ -225,7 +225,7 @@ namespace SqlSugar
             resolveExpress.MappingTables = Context.MappingTables;
             resolveExpress.IgnoreComumnList = Context.IgnoreColumns;
             resolveExpress.SqlFuncServices = Context.CurrentConnectionConfig.ConfigureExternalServices == null ? null : Context.CurrentConnectionConfig.ConfigureExternalServices.SqlFuncServices;
-            resolveExpress.InitMappingInfo = this.Context.InitMppingInfo;
+            resolveExpress.InitMappingInfo = this.Context.InitMappingInfo;
             resolveExpress.RefreshMapping = () =>
             {
                 resolveExpress.MappingColumns = Context.MappingColumns;

Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/UpdateBuilder.cs

@@ -122,7 +122,7 @@ namespace SqlSugar
                 resolveExpress.IgnoreComumnList = Context.IgnoreColumns;
                 resolveExpress.SqlFuncServices = Context.CurrentConnectionConfig.ConfigureExternalServices == null ? null : Context.CurrentConnectionConfig.ConfigureExternalServices.SqlFuncServices;
             }
-            resolveExpress.InitMappingInfo = Context.InitMppingInfo;
+            resolveExpress.InitMappingInfo = Context.InitMappingInfo;
             resolveExpress.RefreshMapping = () =>
             {
                 resolveExpress.MappingColumns = Context.MappingColumns;

Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarAccessory.cs

@@ -71,71 +71,71 @@ namespace SqlSugar
         }
         #endregion
 
-        #region Init mppingInfo
+        #region Init mappingInfo
-        protected void InitMppingInfo<T, T2>()
+        protected void InitMappingInfo<T, T2>()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
-            InitMppingInfo<T2>();
+            InitMappingInfo<T2>();
         }
-        protected void InitMppingInfo<T, T2, T3>()
+        protected void InitMappingInfo<T, T2, T3>()
         {
-            InitMppingInfo<T, T2>();
+            InitMappingInfo<T, T2>();
-            InitMppingInfo<T3>();
+            InitMappingInfo<T3>();
         }
-        protected void InitMppingInfo<T, T2, T3, T4>()
+        protected void InitMappingInfo<T, T2, T3, T4>()
         {
-            InitMppingInfo<T, T2, T3>();
+            InitMappingInfo<T, T2, T3>();
-            InitMppingInfo<T4>();
+            InitMappingInfo<T4>();
         }
-        protected void InitMppingInfo<T, T2, T3, T4, T5>()
+        protected void InitMappingInfo<T, T2, T3, T4, T5>()
         {
-            InitMppingInfo<T, T2, T3, T4>();
+            InitMappingInfo<T, T2, T3, T4>();
-            InitMppingInfo<T5>();
+            InitMappingInfo<T5>();
         }
-        protected void InitMppingInfo<T, T2, T3, T4, T5, T6>()
+        protected void InitMappingInfo<T, T2, T3, T4, T5, T6>()
         {
-            InitMppingInfo<T, T2, T3, T4, T5>();
+            InitMappingInfo<T, T2, T3, T4, T5>();
-            InitMppingInfo<T6>();
+            InitMappingInfo<T6>();
         }
-        protected void InitMppingInfo<T, T2, T3, T4, T5, T6, T7>()
+        protected void InitMappingInfo<T, T2, T3, T4, T5, T6, T7>()
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6>();
-            InitMppingInfo<T7>();
+            InitMappingInfo<T7>();
         }
-        protected void InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8>()
+        protected void InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8>()
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7>();
-            InitMppingInfo<T8>();
+            InitMappingInfo<T8>();
         }
 
         #region 9-12
-        protected void InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9>()
+        protected void InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9>()
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8>();
-            InitMppingInfo<T9>();
+            InitMappingInfo<T9>();
         }
-        protected void InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>()
+        protected void InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>()
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9>();
-            InitMppingInfo<T10>();
+            InitMappingInfo<T10>();
         }
-        protected void InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>()
+        protected void InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>()
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>();
-            InitMppingInfo<T11>();
+            InitMappingInfo<T11>();
         }
-        protected void InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>()
+        protected void InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>()
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>();
-            InitMppingInfo<T12>();
+            InitMappingInfo<T12>();
         }
         #endregion
 
-        public void InitMppingInfo<T>()
+        public void InitMappingInfo<T>()
         {
-            InitMppingInfo(typeof(T));
+            InitMappingInfo(typeof(T));
         }
-        public void InitMppingInfo(Type type)
+        public void InitMappingInfo(Type type)
         {
             string cacheKey = "Context.InitAttributeMappingTables" + type.FullName;
             var entityInfo = this.Context.Utilities.GetReflectionInoCacheInstance().GetOrCreate<EntityInfo>(cacheKey,
@@ -145,7 +145,7 @@ namespace SqlSugar
                   return result;
               });
             var copyObj = CopyEntityInfo(entityInfo);
-            InitMppingInfo(copyObj);
+            InitMappingInfo(copyObj);
         }
 
         private EntityInfo CopyEntityInfo(EntityInfo entityInfo)
@@ -188,7 +188,7 @@ namespace SqlSugar
             return result;
         }
 
-        private void InitMppingInfo(EntityInfo entityInfo)
+        private void InitMappingInfo(EntityInfo entityInfo)
         {
             if (this.MappingTables == null)
                 this.MappingTables = new MappingTableList();

Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs

@@ -91,7 +91,7 @@ namespace SqlSugar
         public virtual ISugarQueryable<T> Queryable<T>()
         {
 
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             var result = this.CreateQueryable<T>();
             return result;
         }
@@ -117,7 +117,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2> Queryable<T, T2>(Expression<Func<T, T2, object[]>> joinExpression)
         {
-            InitMppingInfo<T, T2>();
+            InitMappingInfo<T, T2>();
             var types = new Type[] { typeof(T2) };
             var queryable = InstanceFactory.GetQueryable<T, T2>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -125,7 +125,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2> Queryable<T, T2>(Expression<Func<T, T2, JoinQueryInfos>> joinExpression)
         {
-            InitMppingInfo<T, T2>();
+            InitMappingInfo<T, T2>();
             var types = new Type[] { typeof(T2) };
             var queryable = InstanceFactory.GetQueryable<T, T2>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -133,7 +133,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3> Queryable<T, T2, T3>(Expression<Func<T, T2, T3, object[]>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3>();
+            InitMappingInfo<T, T2, T3>();
             var types = new Type[] { typeof(T2), typeof(T3) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -141,7 +141,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3> Queryable<T, T2, T3>(Expression<Func<T, T2, T3,JoinQueryInfos>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3>();
+            InitMappingInfo<T, T2, T3>();
             var types = new Type[] { typeof(T2), typeof(T3) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -149,7 +149,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4> Queryable<T, T2, T3, T4>(Expression<Func<T, T2, T3, T4, object[]>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4>();
+            InitMappingInfo<T, T2, T3, T4>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -157,7 +157,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4> Queryable<T, T2, T3, T4>(Expression<Func<T, T2, T3, T4,JoinQueryInfos>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4>();
+            InitMappingInfo<T, T2, T3, T4>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -165,7 +165,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5> Queryable<T, T2, T3, T4, T5>(Expression<Func<T, T2, T3, T4, T5, object[]>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5>();
+            InitMappingInfo<T, T2, T3, T4, T5>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -173,7 +173,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5> Queryable<T, T2, T3, T4, T5>(Expression<Func<T, T2, T3, T4, T5,JoinQueryInfos>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5>();
+            InitMappingInfo<T, T2, T3, T4, T5>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -181,7 +181,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6> Queryable<T, T2, T3, T4, T5, T6>(Expression<Func<T, T2, T3, T4, T5, T6, object[]>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -189,7 +189,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6> Queryable<T, T2, T3, T4, T5, T6>(Expression<Func<T, T2, T3, T4, T5, T6, JoinQueryInfos>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -197,7 +197,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7> Queryable<T, T2, T3, T4, T5, T6, T7>(Expression<Func<T, T2, T3, T4, T5, T6, T7, object[]>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -205,7 +205,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7> Queryable<T, T2, T3, T4, T5, T6, T7>(Expression<Func<T, T2, T3, T4, T5, T6, T7, JoinQueryInfos>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -213,7 +213,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> Queryable<T, T2, T3, T4, T5, T6, T7, T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, object[]>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -221,7 +221,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> Queryable<T, T2, T3, T4, T5, T6, T7, T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, JoinQueryInfos>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -230,7 +230,7 @@ namespace SqlSugar
         #region  9-12
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> Queryable<T, T2, T3, T4, T5, T6, T7, T8, T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, object[]>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8), typeof(T9) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -238,7 +238,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> Queryable<T, T2, T3, T4, T5, T6, T7, T8, T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, JoinQueryInfos>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8), typeof(T9) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -246,7 +246,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> Queryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, object[]>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8), typeof(T9), typeof(T10) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -254,7 +254,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> Queryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, JoinQueryInfos>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8), typeof(T9), typeof(T10) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -262,7 +262,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> Queryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, object[]>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8), typeof(T9), typeof(T10), typeof(T11) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -270,7 +270,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> Queryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11,JoinQueryInfos>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8), typeof(T9), typeof(T10), typeof(T11) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -278,7 +278,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> Queryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, object[]>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8), typeof(T9), typeof(T10), typeof(T11), typeof(T12) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -286,7 +286,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> Queryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, JoinQueryInfos>> joinExpression)
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8), typeof(T9), typeof(T10), typeof(T11), typeof(T12) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(this.CurrentConnectionConfig);
             this.CreateQueryJoin(joinExpression, types, queryable);
@@ -295,7 +295,7 @@ namespace SqlSugar
         #endregion
         public virtual ISugarQueryable<T, T2> Queryable<T, T2>(Expression<Func<T, T2, bool>> joinExpression) where T : class, new()
         {
-            InitMppingInfo<T, T2>();
+            InitMappingInfo<T, T2>();
             var types = new Type[] { typeof(T2) };
             var queryable = InstanceFactory.GetQueryable<T, T2>(this.CurrentConnectionConfig);
             this.CreateEasyQueryJoin(joinExpression, types, queryable);
@@ -304,7 +304,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3> Queryable<T, T2, T3>(Expression<Func<T, T2, T3, bool>> joinExpression) where T : class, new()
         {
-            InitMppingInfo<T, T2, T3>();
+            InitMappingInfo<T, T2, T3>();
             var types = new Type[] { typeof(T2), typeof(T3) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3>(this.CurrentConnectionConfig);
             this.CreateEasyQueryJoin(joinExpression, types, queryable);
@@ -313,7 +313,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4> Queryable<T, T2, T3, T4>(Expression<Func<T, T2, T3, T4, bool>> joinExpression) where T : class, new()
         {
-            InitMppingInfo<T, T2, T3, T4>();
+            InitMappingInfo<T, T2, T3, T4>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4>(this.CurrentConnectionConfig);
             this.CreateEasyQueryJoin(joinExpression, types, queryable);
@@ -322,7 +322,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5> Queryable<T, T2, T3, T4, T5>(Expression<Func<T, T2, T3, T4, T5, bool>> joinExpression) where T : class, new()
         {
-            InitMppingInfo<T, T2, T3, T4, T5>();
+            InitMappingInfo<T, T2, T3, T4, T5>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5>(this.CurrentConnectionConfig);
             this.CreateEasyQueryJoin(joinExpression, types, queryable);
@@ -331,7 +331,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6> Queryable<T, T2, T3, T4, T5, T6>(Expression<Func<T, T2, T3, T4, T5, T6, bool>> joinExpression) where T : class, new()
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6>(this.CurrentConnectionConfig);
             this.CreateEasyQueryJoin(joinExpression, types, queryable);
@@ -340,7 +340,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7> Queryable<T, T2, T3, T4, T5, T6, T7>(Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> joinExpression) where T : class, new()
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7>(this.CurrentConnectionConfig);
             this.CreateEasyQueryJoin(joinExpression, types, queryable);
@@ -349,7 +349,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> Queryable<T, T2, T3, T4, T5, T6, T7, T8>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> joinExpression) where T : class, new()
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8>(this.CurrentConnectionConfig);
             this.CreateEasyQueryJoin(joinExpression, types, queryable);
@@ -360,7 +360,7 @@ namespace SqlSugar
         #region 9-12
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9> Queryable<T, T2, T3, T4, T5, T6, T7, T8, T9>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, bool>> joinExpression) where T : class, new()
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8), typeof(T9) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9>(this.CurrentConnectionConfig);
             this.CreateEasyQueryJoin(joinExpression, types, queryable);
@@ -369,7 +369,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10> Queryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, bool>> joinExpression) where T : class, new()
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8), typeof(T9), typeof(T10) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10>(this.CurrentConnectionConfig);
             this.CreateEasyQueryJoin(joinExpression, types, queryable);
@@ -378,7 +378,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> Queryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, bool>> joinExpression) where T : class, new()
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8), typeof(T9), typeof(T10), typeof(T11) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(this.CurrentConnectionConfig);
             this.CreateEasyQueryJoin(joinExpression, types, queryable);
@@ -387,7 +387,7 @@ namespace SqlSugar
         }
         public virtual ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> Queryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, bool>> joinExpression) where T : class, new()
         {
-            InitMppingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>();
+            InitMappingInfo<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>();
             var types = new Type[] { typeof(T2), typeof(T3), typeof(T4), typeof(T5), typeof(T6), typeof(T7), typeof(T8), typeof(T9), typeof(T10), typeof(T11), typeof(T12) };
             var queryable = InstanceFactory.GetQueryable<T, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(this.CurrentConnectionConfig);
             this.CreateEasyQueryJoin(joinExpression, types, queryable);
@@ -413,7 +413,7 @@ namespace SqlSugar
             var sqlBuilder = InstanceFactory.GetSqlbuilder(this.Context.CurrentConnectionConfig);
 
             sqlBuilder.Context = this;
-            InitMppingInfo<T, T2>();
+            InitMappingInfo<T, T2>();
             var types = new Type[] { typeof(T2) };
             var queryable = InstanceFactory.GetQueryable<T, T2>(this.CurrentConnectionConfig);
             queryable.Context = this.Context;
@@ -515,7 +515,7 @@ namespace SqlSugar
         #region Insertable
         public virtual IInsertable<T> Insertable<T>(T[] insertObjs) where T : class, new()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             InsertableProvider<T> result = this.CreateInsertable(insertObjs);
             return result;
         }
@@ -534,7 +534,7 @@ namespace SqlSugar
         }
         public virtual IInsertable<T> Insertable<T>(Dictionary<string, object> columnDictionary) where T : class, new()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             Check.Exception(columnDictionary == null || columnDictionary.Count == 0, "Insertable.columnDictionary can't be null");
             var insertObject = this.Context.Utilities.DeserializeObject<T>(this.Context.Utilities.SerializeObject(columnDictionary));
             var columns = columnDictionary.Select(it => it.Key).ToList();
@@ -542,7 +542,7 @@ namespace SqlSugar
         }
         public virtual IInsertable<T> Insertable<T>(dynamic insertDynamicObject) where T : class, new()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             if (insertDynamicObject is T)
             {
                 return this.Context.Insertable((T)insertDynamicObject);
@@ -560,38 +560,38 @@ namespace SqlSugar
         #region Deleteable
         public virtual IDeleteable<T> Deleteable<T>() where T : class, new()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             DeleteableProvider<T> result = this.CreateDeleteable<T>();
             return result;
         }
         public virtual IDeleteable<T> Deleteable<T>(Expression<Func<T, bool>> expression) where T : class, new()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             return this.Context.Deleteable<T>().Where(expression);
         }
         public virtual IDeleteable<T> Deleteable<T>(dynamic primaryKeyValue) where T : class, new()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             return this.Context.Deleteable<T>().In(primaryKeyValue);
         }
         public virtual IDeleteable<T> Deleteable<T>(dynamic[] primaryKeyValues) where T : class, new()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             return this.Context.Deleteable<T>().In(primaryKeyValues);
         }
         public virtual IDeleteable<T> Deleteable<T>(List<dynamic> pkValue) where T : class, new()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             return this.Context.Deleteable<T>().In(pkValue);
         }
         public virtual IDeleteable<T> Deleteable<T>(T deleteObj) where T : class, new()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             return this.Context.Deleteable<T>().Where(deleteObj);
         }
         public virtual IDeleteable<T> Deleteable<T>(List<T> deleteObjs) where T : class, new()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             return this.Context.Deleteable<T>().Where(deleteObjs);
         }
         #endregion
@@ -599,7 +599,7 @@ namespace SqlSugar
         #region Updateable
         public virtual IUpdateable<T> Updateable<T>(T[] UpdateObjs) where T : class, new()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             UpdateableProvider<T> result = this.CreateUpdateable(UpdateObjs);
             return result;
         }
@@ -634,7 +634,7 @@ namespace SqlSugar
 
         public virtual IUpdateable<T> Updateable<T>(Dictionary<string, object> columnDictionary) where T : class, new()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             Check.Exception(columnDictionary == null || columnDictionary.Count == 0, "Updateable.columnDictionary can't be null");
             var updateObject = this.Context.Utilities.DeserializeObject<T>(this.Context.Utilities.SerializeObject(columnDictionary));
             var columns = columnDictionary.Select(it => it.Key).ToList();
@@ -642,7 +642,7 @@ namespace SqlSugar
         }
         public virtual IUpdateable<T> Updateable<T>(dynamic updateDynamicObject) where T : class, new()
         {
-            InitMppingInfo<T>();
+            InitMappingInfo<T>();
             if (updateDynamicObject is T)
             {
                 return this.Context.Updateable((T)updateDynamicObject);

Src/Asp.Net/SqlSugar/Interface/IDbMaintenance.cs

@@ -47,6 +47,20 @@ namespace SqlSugar
         bool DeleteTableRemark(string tableName);
         bool IsAnyTableRemark(string tableName);
         bool RenameTable(string oldTableName,string newTableName);
+        /// <summary>
+        ///by current connection string
+        /// </summary>
+        /// <param name="databaseDirectory"></param>
+        /// <returns></returns>
+        bool CreateDatabase(string databaseDirectory = null);
+        /// <summary>
+        /// by databaseName
+        /// </summary>
+        /// <param name="databaseName"></param>
+        /// <param name="databaseDirectory"></param>
+        /// <returns></returns>
+        bool CreateDatabase(string databaseName,string databaseDirectory = null);
+        List<string> GetDataBaseList(SqlSugarClient db);
         #endregion
     }
 }

Src/Asp.Net/SqlSugar/Interface/ISqlSugarClient.cs

@@ -46,8 +46,8 @@ namespace SqlSugar
         DateTime GetDate();
         SimpleClient GetSimpleClient();
         SimpleClient<T> GetSimpleClient<T>() where T : class, new();
-        void InitMppingInfo(Type type);
+        void InitMappingInfo(Type type);
-        void InitMppingInfo<T>();
+        void InitMappingInfo<T>();
         void Open();
         void Close(); 
         #endregion

Src/Asp.Net/SqlSugar/Realization/MySql/DbMaintenance/MySqlDbMaintenance.cs

@@ -8,6 +8,13 @@ namespace SqlSugar
     public class MySqlDbMaintenance : DbMaintenanceProvider
     {
         #region DML
+        protected override string GetDataBaseSql
+        {
+            get
+            {
+                return "SELECT NAME FROM MASTER.DBO.SYSDATABASES ORDER BY NAME";
+            }
+        }
         protected override string GetColumnInfosByTableNameSql
         {
             get
@@ -50,6 +57,13 @@ namespace SqlSugar
         #endregion
 
         #region DDL
+        protected override string CreateDataBaseSql
+        {
+            get
+            {
+                return "CREATE DATABASE {0}";
+            }
+        }
         protected override string AddPrimaryKeySql
         {
             get

Src/Asp.Net/SqlSugar/Realization/Oracle/DbMaintenance/OracleDbMaintenance.cs

@@ -10,6 +10,13 @@ namespace SqlSugar
     public class OracleDbMaintenance : DbMaintenanceProvider
     {
         #region DML
+        protected override string GetDataBaseSql
+        {
+            get
+            {
+                return "";
+            }
+        }
         protected override string GetColumnInfosByTableNameSql
         {
             get
@@ -44,6 +51,13 @@ namespace SqlSugar
         #endregion
 
         #region DDL
+        protected override string CreateDataBaseSql
+        {
+            get
+            {
+                return "CREATE DATABASE {0}";
+            }
+        }
         protected override string AddPrimaryKeySql
         {
             get

Src/Asp.Net/SqlSugar/Realization/PostgreSQL/DbMaintenance/PostgreSQLDbMaintenance.cs

@@ -8,6 +8,13 @@ namespace SqlSugar
     public class PostgreSQLDbMaintenance : DbMaintenanceProvider
     {
         #region DML
+        protected override string GetDataBaseSql
+        {
+            get
+            {
+                return "";
+            }
+        }
         protected override string GetColumnInfosByTableNameSql
         {
             get
@@ -62,6 +69,13 @@ namespace SqlSugar
         #endregion
 
         #region DDL
+        protected override string CreateDataBaseSql
+        {
+            get
+            {
+                return "CREATE DATABASE {0}";
+            }
+        }
         protected override string AddPrimaryKeySql
         {
             get
@@ -201,6 +215,7 @@ namespace SqlSugar
         protected override string IsAnyTableRemarkSql => throw new NotSupportedException();
 
         protected override string RenameTableSql => "alter table 表名 {0} to {1}";
+
         #endregion
 
         #region Methods

Src/Asp.Net/SqlSugar/Realization/SqlServer/DbMaintenance/SqlServerDbMaintenance.cs

@@ -8,6 +8,13 @@ namespace SqlSugar
     public class SqlServerDbMaintenance : DbMaintenanceProvider
     {
         #region DML
+        protected override string GetDataBaseSql
+        {
+            get
+            {
+                return "SELECT NAME FROM MASTER.DBO.SYSDATABASES ORDER BY NAME";
+            }
+        }
         protected override string GetColumnInfosByTableNameSql
         {
             get
@@ -75,6 +82,37 @@ namespace SqlSugar
         #endregion
 
         #region DDL
+        protected override string CreateDataBaseSql
+        {
+            get
+            {
+                return @"
+create database {0}  
+on primary 
+(
+    name = N'{0}',
+    filename=N'{1}\{0}.mdf',
+    size=10mb,
+    maxsize=100mb,
+    filegrowth=1mb
+),
+(
+    name=N'{0}_ndf',   
+    filename=N'{1}\{0}.ndf',
+    size=10mb,
+    maxsize=100mb,
+     filegrowth=10%
+)
+log on  --逻辑文件
+(
+    name=N'{0}_log',  
+    filename=N'{1}\{0}.ldf', 
+    size=100mb,
+    maxsize=1gb,
+    filegrowth=10mb
+);";
+            }
+        }
         protected override string AddPrimaryKeySql
         {
             get
@@ -272,8 +310,36 @@ namespace SqlSugar
                 return "EXEC sp_rename '{0}','{1}'";
             }
         }
-        #endregion
 
+        #endregion
+        /// <summary>
+        ///by current connection string
+        /// </summary>
+        /// <param name="databaseDirectory"></param>
+        /// <returns></returns>
+        public override bool CreateDatabase(string databaseName, string databaseDirectory = null)
+        {
+            if (databaseDirectory != null)
+            {
+                if (!FileHelper.IsExistDirectory(databaseDirectory))
+                {
+                    FileHelper.CreateDirectory(databaseDirectory);
+                }
+            }
+            var oldDatabaseName = this.Context.Ado.Connection.Database;
+            var connection = this.Context.CurrentConnectionConfig.ConnectionString;
+            connection = connection.Replace(oldDatabaseName, "master");
+            var newDb = new SqlSugarClient(new ConnectionConfig() {
+                DbType = this.Context.CurrentConnectionConfig.DbType,
+                IsAutoCloseConnection = true,
+                ConnectionString = connection
+            });
+            if (!GetDataBaseList(newDb).Any(it => it.Equals(databaseName, StringComparison.CurrentCultureIgnoreCase)))
+            {
+                newDb.Ado.ExecuteCommand(string.Format(CreateDataBaseSql, databaseName, databaseDirectory));
+            }
+            return true;
+        }
         public override bool CreateTable(string tableName, List<DbColumnInfo> columns, bool isCreatePrimaryKey = true)
         {
             tableName = this.SqlBuilder.GetTranslationTableName(tableName);

Src/Asp.Net/SqlSugar/Realization/Sqlite/DbMaintenance/SqliteDbMaintenance.cs

@@ -11,6 +11,13 @@ namespace SqlSugar
     public class SqliteDbMaintenance : DbMaintenanceProvider
     {
         #region DML
+        protected override string GetDataBaseSql
+        {
+            get
+            {
+                return "";
+            }
+        }
         protected override string GetColumnInfosByTableNameSql
         {
             get
@@ -35,6 +42,13 @@ namespace SqlSugar
         #endregion
 
         #region DDL
+        protected override string CreateDataBaseSql
+        {
+            get
+            {
+                return "CREATE DATABASE {0}";
+            }
+        }
         protected override string AddPrimaryKeySql
         {
             get

Src/Asp.Net/SqlSugar/SqlSugarClient.cs

@@ -658,13 +658,13 @@ namespace SqlSugar
         {
             return this.Context.GetDate();
         }
-        public void InitMppingInfo(Type type)
+        public void InitMappingInfo(Type type)
         {
-            this.Context.InitMppingInfo(type);
+            this.Context.InitMappingInfo(type);
         }
-        public void InitMppingInfo<T>()
+        public void InitMappingInfo<T>()
         {
-            this.Context.InitMppingInfo(typeof(T));
+            this.Context.InitMappingInfo(typeof(T));
         }
         #endregion