- 优化DynamicEntity设置动态对象的属性值逻辑

Author: d4ilys

Extensions/FreeSql.Extensions.DynamicEntity/DynamicCompileBuilder.cs

@@ -1,15 +1,13 @@
 using System;
 using System.Collections;
-using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Linq;
-using System.Linq.Expressions;
 using System.Reflection;
 using System.Reflection.Emit;
 using System.Security.Cryptography;
 using System.Text;
 
-namespace FreeSql
+namespace FreeSql.Extensions.DynamicEntity
 {
     /// <summary>
     /// 动态创建实体类型
@@ -57,7 +55,7 @@ public DynamicCompileBuilder Property(string propertyName, Type propertyType, pa
         /// </summary>
         /// <param name="superClass">父类类型</param>
         /// <returns></returns>
-        public DynamicCompileBuilder SuperClass(Type superClass)
+        public DynamicCompileBuilder Extend(Type superClass)
         {
             _superClass = superClass;
             return this;

Extensions/FreeSql.Extensions.DynamicEntity/DynamicCompileHelper.cs

@@ -1,7 +1,10 @@
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
+using System.Linq;
 using System.Linq.Expressions;
+using System.Security.Cryptography;
+using System.Text;
 
 namespace FreeSql.Extensions.DynamicEntity
 {
@@ -22,8 +25,8 @@ public static DynamicCompileBuilder DynamicBuilder()
         /// <summary>
         /// 委托缓存
         /// </summary>
-        private static readonly ConcurrentDictionary<string, Delegate>
-            DelegateCache = new ConcurrentDictionary<string, Delegate>();
+        private static readonly ConcurrentDictionary<string, Delegate> DelegateCache =
+            new ConcurrentDictionary<string, Delegate>();
 
         /// <summary>
         /// 设置动态对象的属性值
@@ -39,7 +42,9 @@ public static object CreateObjectByType(Type type, Dictionary<string, object> po
             if (istance == null)
                 return null;
             //根据key确定缓存
-            var cacheKey = $"{type.GetHashCode()}{porpertys.GetHashCode()}";
+            var cacheKeyStr = string.Join("-", porpertys.Keys.OrderBy(s => s));
+            var dicKey = Md5Encryption(cacheKeyStr);
+            var cacheKey = $"{type.GetHashCode()}-{dicKey}";
             var dynamicDelegate = DelegateCache.GetOrAdd(cacheKey, key =>
             {
                 //表达式目录树构建委托
@@ -70,5 +75,18 @@ public static object CreateObjectByType(Type type, Dictionary<string, object> po
             var dynamicInvoke = dynamicDelegate.DynamicInvoke(istance, porpertys);
             return dynamicInvoke;
         }
+
+        private static string Md5Encryption(string inputStr)
+        {
+            var result = string.Empty;
+            //32位大写
+            using (var md5 = MD5.Create())
+            {
+                var resultBytes = md5.ComputeHash(Encoding.UTF8.GetBytes(inputStr));
+                result = BitConverter.ToString(resultBytes);
+            }
+
+            return result;
+        }
     }
 }