- 增加 ISelect.WhereDynamicFilter 方法实现动态过滤条件（与前端交互）；

FreeSql/Internal/Model/DynamicFilterInfo.cs

@@ -0,0 +1,84 @@
+using FreeSql;
+using FreeSql.Internal;
+using FreeSql.Internal.CommonProvider;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Reflection;
+using System.Text;
+
+namespace FreeSql.Internal.Model
+{
+    /// <summary>
+    /// 动态过滤条件
+    /// </summary>
+    public class DynamicFilterInfo
+    {
+        /// <summary>
+        /// 属性名：Name<para></para>
+        /// 导航属性：Parent.Name<para></para>
+        /// 多表：b.Name<para></para>
+        /// </summary>
+        public string Field { get; set; }
+        /// <summary>
+        /// 操作符
+        /// </summary>
+        public DynamicFilterOperator Operator { get; set; }
+        /// <summary>
+        /// 值
+        /// </summary>
+        public string Value { get; set; }
+
+        /// <summary>
+        /// Filters 下的逻辑运算符
+        /// </summary>
+        public DynamicFilterLogic Logic { get; set; }
+        /// <summary>
+        /// 子过滤条件，它与当前的逻辑关系是 And<para></para>
+        /// 注意：当前 Field 可以留空
+        /// </summary>
+        public List<DynamicFilterInfo> Filters { get; set; }
+    }
+
+    public enum DynamicFilterLogic { And, Or }
+    public enum DynamicFilterOperator
+    {
+        /// <summary>
+        /// like
+        /// </summary>
+        Contains,
+        StartsWith,
+        EndsWith,
+        NotContains,
+        NotStartsWith,
+        NotEndsWith,
+
+        /// <summary>
+        /// =
+        /// </summary>
+        Equals,
+        Eq,
+        /// <summary>
+        /// &lt;&gt;
+        /// </summary>
+        NotEqual,
+
+        /// <summary>
+        /// &gt;
+        /// </summary>
+        GreaterThan,
+        /// <summary>
+        /// &gt;=
+        /// </summary>
+        GreaterThanOrEqual,
+        /// <summary>
+        /// &lt;
+        /// </summary>
+        LessThan,
+        /// <summary>
+        /// &lt;=
+        /// </summary>
+        LessThanOrEqual,
+    }
+}