v2.0.7 支持QueryList＜dynamic＞即返回值List＜dynamic＞类型； 移除接口的where T : new()限制，以支持QueryList＜string＞

LiteSql/LiteSql/ILiteSqlClient.cs

@@ -62,7 +62,7 @@ namespace LiteSql
         /// <summary>
         /// 创建SqlString对象
         /// </summary>
-        ISqlString<T> Sql<T>(string sql = null, params object[] args) where T : new();
+        ISqlString<T> Sql<T>(string sql = null, params object[] args);
         #endregion
 
         #region 创建SqlQueryable对象
@@ -70,7 +70,7 @@ namespace LiteSql
         /// 创建IQueryable
         /// </summary>
         /// <typeparam name="T">实体类型</typeparam>
-        ISqlQueryable<T> Queryable<T>() where T : new();
+        ISqlQueryable<T> Queryable<T>();
         #endregion
 
         #region 查询下一个ID

LiteSql/LiteSql/LiteSql.csproj

@@ -6,9 +6,9 @@
         <Nullable>disable</Nullable>
         <GenerateDocumentationFile>True</GenerateDocumentationFile>
         <Title>LiteSql</Title>
-        <AssemblyVersion>2.0.6</AssemblyVersion>
-        <FileVersion>2.0.6</FileVersion>
-        <Version>2.0.6</Version>
+        <AssemblyVersion>2.0.7</AssemblyVersion>
+        <FileVersion>2.0.7</FileVersion>
+        <Version>2.0.7</Version>
         <PackageId>LiteSql</PackageId>
         <PackageProjectUrl>https://github.com/0611163/LiteSql</PackageProjectUrl>
         <PackageLicenseExpression>MIT</PackageLicenseExpression>
@@ -20,12 +20,13 @@
         </Description>
         <PackageReleaseNotes>
             更新内容：
-            1. IDbSession接口增加Tran(当前数据库会话的事务)和Conn(当前数据库会话的数据库连接)属性
-            2. IDbSession接口的BeginTransaction方法不再返回DbTransaction对象
+            1. 支持QueryList＜dynamic＞即返回值List＜dynamic＞类型
+            2. 移除接口的where T : new()限制，以支持QueryList＜string＞
         </PackageReleaseNotes>
     </PropertyGroup>
 
     <ItemGroup>
+        <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
         <PackageReference Include="System.ComponentModel.Annotations" Version="4.7.0" />
     </ItemGroup>
 

LiteSql/LiteSql/LiteSqlClient.cs

@@ -156,7 +156,7 @@ namespace LiteSql
         /// <summary>
         /// 创建SqlString对象
         /// </summary>
-        public ISqlString<T> Sql<T>(string sql = null, params object[] args) where T : new()
+        public ISqlString<T> Sql<T>(string sql = null, params object[] args)
         {
             var session = GetSession();
             return session.Sql<T>(sql, args);
@@ -168,7 +168,7 @@ namespace LiteSql
         /// 创建IQueryable
         /// </summary>
         /// <typeparam name="T">实体类型</typeparam>
-        public ISqlQueryable<T> Queryable<T>() where T : new()
+        public ISqlQueryable<T> Queryable<T>()
         {
             var session = GetSession();
             return session.Queryable<T>();

LiteSql/LiteSql/Session/DBSession.cs

@@ -135,7 +135,7 @@ namespace LiteSql
         /// <summary>
         /// 创建SqlString对象
         /// </summary>
-        public ISqlString<T> Sql<T>(string sql = null, params object[] args) where T : new()
+        public ISqlString<T> Sql<T>(string sql = null, params object[] args)
         {
             return new SqlString<T>(_provider, this, sql, args);
         }
@@ -146,7 +146,7 @@ namespace LiteSql
         /// 创建IQueryable
         /// </summary>
         /// <typeparam name="T">实体类型</typeparam>
-        public ISqlQueryable<T> Queryable<T>() where T : new()
+        public ISqlQueryable<T> Queryable<T>()
         {
             SqlQueryable<T> sqlString = new SqlQueryable<T>(_provider, this, null);
             return sqlString.Queryable();

LiteSql/LiteSql/Session/DBSessionFind.cs

@@ -16,7 +16,7 @@ namespace LiteSql
         /// <summary>
         /// 根据Id查询实体
         /// </summary>
-        public T QueryById<T>(object id) where T : new()
+        public T QueryById<T>(object id)
         {
             Type type = typeof(T);
 
@@ -45,7 +45,7 @@ namespace LiteSql
         /// <summary>
         /// 根据Id查询实体
         /// </summary>
-        public async Task<T> QueryByIdAsync<T>(object id) where T : new()
+        public async Task<T> QueryByIdAsync<T>(object id)
         {
             Type type = typeof(T);
 
@@ -75,7 +75,7 @@ namespace LiteSql
         /// <summary>
         /// 根据sql查询实体
         /// </summary>
-        public T Query<T>(string sql) where T : new()
+        public T Query<T>(string sql)
         {
             Type type = typeof(T);
             object result = Find(type, sql, null);
@@ -95,7 +95,7 @@ namespace LiteSql
         /// <summary>
         /// 根据sql查询实体
         /// </summary>
-        public async Task<T> QueryAsync<T>(string sql) where T : new()
+        public async Task<T> QueryAsync<T>(string sql)
         {
             Type type = typeof(T);
             object result = await FindAsync(type, sql, null);
@@ -116,7 +116,7 @@ namespace LiteSql
         /// <summary>
         /// 根据sql查询实体
         /// </summary>
-        public T Query<T>(string sql, DbParameter[] args) where T : new()
+        public T Query<T>(string sql, DbParameter[] args)
         {
             Type type = typeof(T);
             object result = Find(type, sql, args);
@@ -136,7 +136,7 @@ namespace LiteSql
         /// <summary>
         /// 根据sql查询实体
         /// </summary>
-        public async Task<T> QueryAsync<T>(string sql, DbParameter[] args) where T : new()
+        public async Task<T> QueryAsync<T>(string sql, DbParameter[] args)
         {
             Type type = typeof(T);
             object result = await FindAsync(type, sql, args);
@@ -157,7 +157,7 @@ namespace LiteSql
         /// <summary>
         /// 根据sql查询实体
         /// </summary>
-        public T Query<T>(ISqlString sql) where T : new()
+        public T Query<T>(ISqlString sql)
         {
             return Query<T>(sql.SQL, sql.Params);
         }
@@ -165,7 +165,7 @@ namespace LiteSql
         /// <summary>
         /// 根据sql查询实体
         /// </summary>
-        public Task<T> QueryAsync<T>(ISqlString sql) where T : new()
+        public Task<T> QueryAsync<T>(ISqlString sql)
         {
             return QueryAsync<T>(sql.SQL, sql.Params);
         }

LiteSql/LiteSql/Session/DBSessionFindList.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Data;
 using System.Data.Common;
+using System.Dynamic;
 using System.Linq;
 using System.Reflection;
 using System.Text;
@@ -15,7 +16,7 @@ namespace LiteSql
         /// <summary>
         /// 查询列表
         /// </summary>
-        public List<T> QueryList<T>(string sql) where T : new()
+        public List<T> QueryList<T>(string sql)
         {
             SqlFilter(ref sql);
             OnExecuting?.Invoke(sql, null);
@@ -42,7 +43,7 @@ namespace LiteSql
         /// <summary>
         /// 查询列表
         /// </summary>
-        public async Task<List<T>> QueryListAsync<T>(string sql) where T : new()
+        public async Task<List<T>> QueryListAsync<T>(string sql)
         {
             SqlFilter(ref sql);
             OnExecuting?.Invoke(sql, null);
@@ -70,7 +71,7 @@ namespace LiteSql
         /// <summary>
         /// 查询列表
         /// </summary>
-        public List<T> QueryList<T>(string sql, DbParameter[] cmdParms) where T : new()
+        public List<T> QueryList<T>(string sql, DbParameter[] cmdParms)
         {
             OnExecuting?.Invoke(sql, cmdParms);
 
@@ -96,7 +97,7 @@ namespace LiteSql
         /// <summary>
         /// 查询列表
         /// </summary>
-        public async Task<List<T>> QueryListAsync<T>(string sql, DbParameter[] cmdParms) where T : new()
+        public async Task<List<T>> QueryListAsync<T>(string sql, DbParameter[] cmdParms)
         {
             OnExecuting?.Invoke(sql, cmdParms);
 
@@ -122,7 +123,7 @@ namespace LiteSql
         /// <summary>
         /// 查询列表
         /// </summary>
-        public List<T> QueryList<T>(ISqlString sql) where T : new()
+        public List<T> QueryList<T>(ISqlString sql)
         {
             return QueryList<T>(sql.SQL, sql.Params);
         }
@@ -130,7 +131,7 @@ namespace LiteSql
         /// <summary>
         /// 查询列表
         /// </summary>
-        public Task<List<T>> QueryListAsync<T>(ISqlString sql) where T : new()
+        public Task<List<T>> QueryListAsync<T>(ISqlString sql)
         {
             return QueryListAsync<T>(sql.SQL, sql.Params);
         }
@@ -141,7 +142,7 @@ namespace LiteSql
         /// <summary>
         /// DataReaderToList
         /// </summary>
-        private List<T> DataReaderToList<T>(IDataReader rd) where T : new()
+        private List<T> DataReaderToList<T>(IDataReader rd)
         {
             List<T> list = new List<T>();
 
@@ -159,6 +160,31 @@ namespace LiteSql
                     list.Add((T)rd[0]);
                 }
             }
+            else if (typeof(T) == typeof(object)) //支持QueryList<dynamic>即返回值List<dynamic>类型
+            {
+                int fcnt = rd.FieldCount;
+                Dictionary<string, int> fields = new Dictionary<string, int>();
+                for (int i = 0; i < fcnt; i++)
+                {
+                    string field = rd.GetName(i);
+                    if (!fields.ContainsKey(field))
+                    {
+                        fields.Add(field, i);
+                    }
+                }
+
+                while (rd.Read())
+                {
+                    dynamic obj = new ExpandoObject();
+
+                    foreach (string field in fields.Keys)
+                    {
+                        ((IDictionary<string, object>)obj).Add(field, rd[fields[field]]);
+                    }
+
+                    list.Add(obj);
+                }
+            }
             else
             {
                 PropertyInfoEx[] propertyInfoList = GetEntityProperties(typeof(T));

LiteSql/LiteSql/Session/DBSessionFindListPage.cs

@@ -14,7 +14,7 @@ namespace LiteSql
         /// <summary>
         /// 分页查询列表
         /// </summary>
-        public List<T> QueryPage<T>(string sql, string orderby, int pageSize, int currentPage) where T : new()
+        public List<T> QueryPage<T>(string sql, string orderby, int pageSize, int currentPage)
         {
             sql = _provider.CreatePageSql(sql, orderby, pageSize, currentPage);
 
@@ -26,7 +26,7 @@ namespace LiteSql
         /// <summary>
         /// 分页查询列表
         /// </summary>
-        public async Task<List<T>> QueryPageAsync<T>(string sql, string orderby, int pageSize, int currentPage) where T : new()
+        public async Task<List<T>> QueryPageAsync<T>(string sql, string orderby, int pageSize, int currentPage)
         {
             sql = _provider.CreatePageSql(sql, orderby, pageSize, currentPage);
 
@@ -38,7 +38,7 @@ namespace LiteSql
         /// <summary>
         /// 分页查询列表
         /// </summary>
-        public List<T> QueryPage<T>(string sql, string orderby, int pageSize, int currentPage, DbParameter[] cmdParms) where T : new()
+        public List<T> QueryPage<T>(string sql, string orderby, int pageSize, int currentPage, DbParameter[] cmdParms)
         {
             sql = _provider.CreatePageSql(sql, orderby, pageSize, currentPage);
 
@@ -48,7 +48,7 @@ namespace LiteSql
         /// <summary>
         /// 分页查询列表
         /// </summary>
-        public async Task<List<T>> QueryPageAsync<T>(string sql, string orderby, int pageSize, int currentPage, DbParameter[] cmdParms) where T : new()
+        public async Task<List<T>> QueryPageAsync<T>(string sql, string orderby, int pageSize, int currentPage, DbParameter[] cmdParms)
         {
             sql = _provider.CreatePageSql(sql, orderby, pageSize, currentPage);
 
@@ -60,7 +60,7 @@ namespace LiteSql
         /// <summary>
         /// 分页查询列表
         /// </summary>
-        public List<T> QueryPage<T>(ISqlString sql, string orderby, int pageSize, int currentPage) where T : new()
+        public List<T> QueryPage<T>(ISqlString sql, string orderby, int pageSize, int currentPage)
         {
             return QueryPage<T>(sql.SQL, orderby, pageSize, currentPage, sql.Params);
         }
@@ -68,7 +68,7 @@ namespace LiteSql
         /// <summary>
         /// 分页查询列表
         /// </summary>
-        public Task<List<T>> QueryPageAsync<T>(ISqlString sql, string orderby, int pageSize, int currentPage) where T : new()
+        public Task<List<T>> QueryPageAsync<T>(ISqlString sql, string orderby, int pageSize, int currentPage)
         {
             return QueryPageAsync<T>(sql.SQL, orderby, pageSize, currentPage, sql.Params);
         }

LiteSql/LiteSql/Session/DBSessionUpdate.cs

@@ -23,7 +23,7 @@ namespace LiteSql
         /// <summary>
         /// 附加更新前的旧实体，只更新数据发生变化的字段
         /// </summary>
-        public void AttachOld<T>(T obj) where T : new()
+        public void AttachOld<T>(T obj)
         {
             if (_oldObjs.ContainsKey(obj))
             {
@@ -42,7 +42,7 @@ namespace LiteSql
         /// <summary>
         /// 附加更新前的旧实体，只更新数据发生变化的字段
         /// </summary>
-        public void AttachOld<T>(List<T> objList) where T : new()
+        public void AttachOld<T>(List<T> objList)
         {
             foreach (T obj in objList)
             {

LiteSql/LiteSql/Session/IDBSession.cs

@@ -45,7 +45,7 @@ namespace LiteSql
         /// <summary>
         /// 创建SqlString对象
         /// </summary>
-        ISqlString<T> Sql<T>(string sql = null, params object[] args) where T : new();
+        ISqlString<T> Sql<T>(string sql = null, params object[] args);
         #endregion
 
         #region 创建SqlQueryable对象
@@ -53,7 +53,7 @@ namespace LiteSql
         /// 创建IQueryable
         /// </summary>
         /// <typeparam name="T">实体类型</typeparam>
-        ISqlQueryable<T> Queryable<T>() where T : new();
+        ISqlQueryable<T> Queryable<T>();
         #endregion
 
         #region 查询下一个ID

LiteSql/LiteSql/Session/IDBSessionFind.cs

@@ -13,48 +13,48 @@ namespace LiteSql
         /// <summary>
         /// 根据Id查询实体
         /// </summary>
-        T QueryById<T>(object id) where T : new();
+        T QueryById<T>(object id);
 
         /// <summary>
         /// 根据Id查询实体
         /// </summary>
-        Task<T> QueryByIdAsync<T>(object id) where T : new();
+        Task<T> QueryByIdAsync<T>(object id);
         #endregion
 
         #region 根据sql查询实体
         /// <summary>
         /// 根据sql查询实体
         /// </summary>
-        T Query<T>(string sql) where T : new();
+        T Query<T>(string sql);
 
         /// <summary>
         /// 根据sql查询实体
         /// </summary>
-        Task<T> QueryAsync<T>(string sql) where T : new();
+        Task<T> QueryAsync<T>(string sql);
         #endregion
 
         #region 根据sql查询实体(参数化查询)
         /// <summary>
         /// 根据sql查询实体
         /// </summary>
-        T Query<T>(string sql, DbParameter[] args) where T : new();
+        T Query<T>(string sql, DbParameter[] args);
 
         /// <summary>
         /// 根据sql查询实体
         /// </summary>
-        Task<T> QueryAsync<T>(string sql, DbParameter[] args) where T : new();
+        Task<T> QueryAsync<T>(string sql, DbParameter[] args);
         #endregion
 
         #region 根据sql查询实体(传SqlString)
         /// <summary>
         /// 根据sql查询实体
         /// </summary>
-        T Query<T>(ISqlString sql) where T : new();
+        T Query<T>(ISqlString sql);
 
         /// <summary>
         /// 根据sql查询实体
         /// </summary>
-        Task<T> QueryAsync<T>(ISqlString sql) where T : new();
+        Task<T> QueryAsync<T>(ISqlString sql);
         #endregion
 
     }

LiteSql/LiteSql/Session/IDBSessionFindList.cs

@@ -13,36 +13,36 @@ namespace LiteSql
         /// <summary>
         /// 查询列表
         /// </summary>
-        List<T> QueryList<T>(string sql) where T : new();
+        List<T> QueryList<T>(string sql);
 
         /// <summary>
         /// 查询列表
         /// </summary>
-        Task<List<T>> QueryListAsync<T>(string sql) where T : new();
+        Task<List<T>> QueryListAsync<T>(string sql);
         #endregion
 
         #region 查询列表(参数化查询)
         /// <summary>
         /// 查询列表
         /// </summary>
-        List<T> QueryList<T>(string sql, DbParameter[] cmdParms) where T : new();
+        List<T> QueryList<T>(string sql, DbParameter[] cmdParms);
 
         /// <summary>
         /// 查询列表
         /// </summary>
-        Task<List<T>> QueryListAsync<T>(string sql, DbParameter[] cmdParms) where T : new();
+        Task<List<T>> QueryListAsync<T>(string sql, DbParameter[] cmdParms);
         #endregion
 
         #region 查询列表(传SqlString)
         /// <summary>
         /// 查询列表
         /// </summary>
-        List<T> QueryList<T>(ISqlString sql) where T : new();
+        List<T> QueryList<T>(ISqlString sql);
 
         /// <summary>
         /// 查询列表
         /// </summary>
-        Task<List<T>> QueryListAsync<T>(ISqlString sql) where T : new();
+        Task<List<T>> QueryListAsync<T>(ISqlString sql);
         #endregion
 
     }

LiteSql/LiteSql/Session/IDBSessionFindListPage.cs

@@ -14,36 +14,36 @@ namespace LiteSql
         /// <summary>
         /// 分页查询列表
         /// </summary>
-        List<T> QueryPage<T>(string sql, string orderby, int pageSize, int currentPage) where T : new();
+        List<T> QueryPage<T>(string sql, string orderby, int pageSize, int currentPage);
 
         /// <summary>
         /// 分页查询列表
         /// </summary>
-        Task<List<T>> QueryPageAsync<T>(string sql, string orderby, int pageSize, int currentPage) where T : new();
+        Task<List<T>> QueryPageAsync<T>(string sql, string orderby, int pageSize, int currentPage);
         #endregion
 
         #region 分页查询列表(参数化查询)
         /// <summary>
         /// 分页查询列表
         /// </summary>
-        List<T> QueryPage<T>(string sql, string orderby, int pageSize, int currentPage, DbParameter[] cmdParms) where T : new();
+        List<T> QueryPage<T>(string sql, string orderby, int pageSize, int currentPage, DbParameter[] cmdParms);
 
         /// <summary>
         /// 分页查询列表
         /// </summary>
-        Task<List<T>> QueryPageAsync<T>(string sql, string orderby, int pageSize, int currentPage, DbParameter[] cmdParms) where T : new();
+        Task<List<T>> QueryPageAsync<T>(string sql, string orderby, int pageSize, int currentPage, DbParameter[] cmdParms);
         #endregion
 
         #region 分页查询列表(传SqlString)
         /// <summary>
         /// 分页查询列表
         /// </summary>
-        List<T> QueryPage<T>(ISqlString sql, string orderby, int pageSize, int currentPage) where T : new();
+        List<T> QueryPage<T>(ISqlString sql, string orderby, int pageSize, int currentPage);
 
         /// <summary>
         /// 分页查询列表
         /// </summary>
-        Task<List<T>> QueryPageAsync<T>(ISqlString sql, string orderby, int pageSize, int currentPage) where T : new();
+        Task<List<T>> QueryPageAsync<T>(ISqlString sql, string orderby, int pageSize, int currentPage);
         #endregion
 
     }

LiteSql/LiteSql/Session/IDBSessionUpdate.cs

@@ -41,11 +41,11 @@ namespace LiteSql
         /// <summary>
         /// 附加更新前的旧数据，只更新数据发生变化的字段
         /// </summary>
-        void AttachOld<T>(T obj) where T : new();
+        void AttachOld<T>(T obj);
 
         /// <summary>
         /// 附加更新前的旧数据，只更新数据发生变化的字段
         /// </summary>
-        void AttachOld<T>(List<T> objList) where T : new();
+        void AttachOld<T>(List<T> objList);
     }
 }

LiteSql/LiteSql/SqlString/IQueryable.cs

@@ -13,7 +13,7 @@ namespace LiteSql
     /// <summary>
     /// 查询接口
     /// </summary>
-    public interface ISqlQueryable<T> where T : new()
+    public interface ISqlQueryable<T>
     {
         #region 变量
         /// <summary>

LiteSql/LiteSql/SqlString/ISqlString.cs

@@ -164,32 +164,32 @@ namespace LiteSql
         /// <summary>
         /// 返回第一行的值，不存在则返回null
         /// </summary>
-        T First<T>() where T : new();
+        T First<T>();
 
         /// <summary>
         /// 返回第一行的值，不存在则返回null
         /// </summary>
-        Task<T> FirstAsync<T>() where T : new();
+        Task<T> FirstAsync<T>();
 
         /// <summary>
         /// 查询列表
         /// </summary>
-        List<T> ToList<T>() where T : new();
+        List<T> ToList<T>();
 
         /// <summary>
         /// 查询列表
         /// </summary>
-        Task<List<T>> ToListAsync<T>() where T : new();
+        Task<List<T>> ToListAsync<T>();
 
         /// <summary>
         /// 分页查询
         /// </summary>
-        List<T> ToPageList<T>(string orderby, int pageSize, int currentPage) where T : new();
+        List<T> ToPageList<T>(string orderby, int pageSize, int currentPage);
 
         /// <summary>
         /// 分页查询
         /// </summary>
-        Task<List<T>> ToPageListAsync<T>(string orderby, int pageSize, int currentPage) where T : new();
+        Task<List<T>> ToPageListAsync<T>(string orderby, int pageSize, int currentPage);
 
         /// <summary>
         /// 条件删除
@@ -277,37 +277,37 @@ namespace LiteSql
         /// 查询实体
         /// </summary>
         [Obsolete]
-        T Query<T>() where T : new();
+        T Query<T>();
 
         /// <summary>
         /// 查询实体
         /// </summary>
         [Obsolete]
-        Task<T> QueryAsync<T>() where T : new();
+        Task<T> QueryAsync<T>();
 
         /// <summary>
         /// 查询列表
         /// </summary>
         [Obsolete]
-        List<T> QueryList<T>() where T : new();
+        List<T> QueryList<T>();
 
         /// <summary>
         /// 查询列表
         /// </summary>
         [Obsolete]
-        Task<List<T>> QueryListAsync<T>() where T : new();
+        Task<List<T>> QueryListAsync<T>();
 
         /// <summary>
         /// 分页查询
         /// </summary>
         [Obsolete]
-        List<T> QueryPage<T>(string orderby, int pageSize, int currentPage) where T : new();
+        List<T> QueryPage<T>(string orderby, int pageSize, int currentPage);
 
         /// <summary>
         /// 分页查询
         /// </summary>
         [Obsolete]
-        Task<List<T>> QueryPageAsync<T>(string orderby, int pageSize, int currentPage) where T : new();
+        Task<List<T>> QueryPageAsync<T>(string orderby, int pageSize, int currentPage);
 
         /// <summary>
         /// 条件删除

LiteSql/LiteSql/SqlString/SqlQueryable.cs

@@ -12,7 +12,7 @@ namespace LiteSql
     /// <summary>
     /// SQL字符串类
     /// </summary>
-    public class SqlQueryable<T> : ISqlQueryable<T> where T : new()
+    public class SqlQueryable<T> : ISqlQueryable<T>
     {
         #region 变量
         private SqlString _sqlString;

LiteSql/LiteSql/SqlString/SqlString.cs

@@ -15,7 +15,7 @@ namespace LiteSql
     /// <summary>
     /// 参数化查询SQL字符串
     /// </summary>
-    public class SqlString<T> : SqlString, ISqlString<T> where T : new()
+    public class SqlString<T> : SqlString, ISqlString<T>
     {
         #region 构造函数
         public SqlString(IProvider provider, IDbSession session, string sql = null, params object[] args) : base(provider, session, sql, args)
@@ -614,7 +614,7 @@ namespace LiteSql
         /// <summary>
         /// 返回第一行的值，不存在则返回null
         /// </summary>
-        public T First<T>() where T : new()
+        public T First<T>()
         {
             return _session.Query<T>(this);
         }
@@ -622,7 +622,7 @@ namespace LiteSql
         /// <summary>
         /// 返回第一行的值，不存在则返回null
         /// </summary>
-        public Task<T> FirstAsync<T>() where T : new()
+        public Task<T> FirstAsync<T>()
         {
             return _session.QueryAsync<T>(this);
         }
@@ -630,7 +630,7 @@ namespace LiteSql
         /// <summary>
         /// 查询列表
         /// </summary>
-        public List<T> ToList<T>() where T : new()
+        public List<T> ToList<T>()
         {
             return _session.QueryList<T>(this);
         }
@@ -638,7 +638,7 @@ namespace LiteSql
         /// <summary>
         /// 查询列表
         /// </summary>
-        public Task<List<T>> ToListAsync<T>() where T : new()
+        public Task<List<T>> ToListAsync<T>()
         {
             return _session.QueryListAsync<T>(this);
         }
@@ -646,7 +646,7 @@ namespace LiteSql
         /// <summary>
         /// 分页查询
         /// </summary>
-        public List<T> ToPageList<T>(string orderby, int pageSize, int currentPage) where T : new()
+        public List<T> ToPageList<T>(string orderby, int pageSize, int currentPage)
         {
             return _session.QueryPage<T>(this, orderby, pageSize, currentPage);
         }
@@ -654,7 +654,7 @@ namespace LiteSql
         /// <summary>
         /// 分页查询
         /// </summary>
-        public Task<List<T>> ToPageListAsync<T>(string orderby, int pageSize, int currentPage) where T : new()
+        public Task<List<T>> ToPageListAsync<T>(string orderby, int pageSize, int currentPage)
         {
             return _session.QueryPageAsync<T>(this, orderby, pageSize, currentPage);
         }
@@ -794,7 +794,7 @@ namespace LiteSql
         /// 查询实体
         /// </summary>
         [Obsolete]
-        public T Query<T>() where T : new()
+        public T Query<T>()
         {
             return _session.Query<T>(this);
         }
@@ -803,7 +803,7 @@ namespace LiteSql
         /// 查询实体
         /// </summary>
         [Obsolete]
-        public Task<T> QueryAsync<T>() where T : new()
+        public Task<T> QueryAsync<T>()
         {
             return _session.QueryAsync<T>(this);
         }
@@ -812,7 +812,7 @@ namespace LiteSql
         /// 查询列表
         /// </summary>
         [Obsolete]
-        public List<T> QueryList<T>() where T : new()
+        public List<T> QueryList<T>()
         {
             return _session.QueryList<T>(this);
         }
@@ -821,7 +821,7 @@ namespace LiteSql
         /// 查询列表
         /// </summary>
         [Obsolete]
-        public Task<List<T>> QueryListAsync<T>() where T : new()
+        public Task<List<T>> QueryListAsync<T>()
         {
             return _session.QueryListAsync<T>(this);
         }
@@ -830,7 +830,7 @@ namespace LiteSql
         /// 分页查询
         /// </summary>
         [Obsolete]
-        public List<T> QueryPage<T>(string orderby, int pageSize, int currentPage) where T : new()
+        public List<T> QueryPage<T>(string orderby, int pageSize, int currentPage)
         {
             return _session.QueryPage<T>(this, orderby, pageSize, currentPage);
         }
@@ -839,7 +839,7 @@ namespace LiteSql
         /// 分页查询
         /// </summary>
         [Obsolete]
-        public Task<List<T>> QueryPageAsync<T>(string orderby, int pageSize, int currentPage) where T : new()
+        public Task<List<T>> QueryPageAsync<T>(string orderby, int pageSize, int currentPage)
         {
             return _session.QueryPageAsync<T>(this, orderby, pageSize, currentPage);
         }

LiteSql/LiteSqlTest/LiteSqlTest.csproj

@@ -39,6 +39,7 @@
     <Reference Include="Dapper, Version=2.0.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\packages\Dapper.2.0.123\lib\net461\Dapper.dll</HintPath>
     </Reference>
+    <Reference Include="Microsoft.CSharp" />
     <Reference Include="System" />
     <Reference Include="System.Configuration" />
     <Reference Include="System.Data" />

LiteSql/LiteSqlTest/QueryTest.cs

@@ -338,5 +338,71 @@ namespace LiteSqlTest
         }
         #endregion
 
+        #region 测试List<string>类型
+        [TestMethod]
+        public void TestListString()
+        {
+            var session = LiteSqlFactory.GetSession();
+
+            session.OnExecuting = (s, p) =>
+            {
+                Console.WriteLine(s);
+            };
+
+            var sql = session.Sql("select user_name from sys_user where id<=@Id", 20);
+            List<string> list = session.QueryList<string>(sql.SQL, sql.Params);
+
+            foreach (string item in list)
+            {
+                Console.WriteLine($"{item}");
+            }
+            Assert.IsTrue(list.Count > 0);
+        }
+        #endregion
+
+        #region 测试Dynamic类型
+        [TestMethod]
+        public void TestDynamic()
+        {
+            var session = LiteSqlFactory.GetSession();
+
+            session.OnExecuting = (s, p) =>
+            {
+                Console.WriteLine(s);
+            };
+
+            var sql = session.Sql("select user_name from sys_user where id<=@Id", 20);
+            List<dynamic> list = session.QueryList<dynamic>(sql.SQL, sql.Params);
+
+            foreach (var item in list)
+            {
+                Console.WriteLine($"{item.user_name}");
+            }
+            Assert.IsTrue(list.Count > 0);
+        }
+        #endregion
+
+        #region 测试Dynamic类型
+        [TestMethod]
+        public void TestDynamic2()
+        {
+            var session = LiteSqlFactory.GetSession();
+
+            session.OnExecuting = (s, p) =>
+            {
+                Console.WriteLine(s);
+            };
+
+            var sql = session.Sql("select user_name, real_name, remark from sys_user where id<=@Id", 20);
+            List<dynamic> list = session.QueryList<dynamic>(sql.SQL, sql.Params);
+
+            foreach (var item in list)
+            {
+                Console.WriteLine($"{item.user_name}, {item.real_name}, {item.remark}");
+            }
+            Assert.IsTrue(list.Count > 0);
+        }
+        #endregion
+
     }
 }

LiteSql/LiteSqlTest/packages.config

 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="Dapper" version="2.0.123" targetFramework="net461" />
+  <package id="Microsoft.CSharp" version="4.7.0" targetFramework="net461" />
 </packages>
\ No newline at end of file