temu客户端程序

AllBase/Extension/JTokenExtension.cs

@@ -0,0 +1,35 @@
+using Newtonsoft.Json.Linq;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AllBase.Extension
+{
+    public static class JTokenExtension
+    {
+        public static T ToValue<T>(this JToken token, T defValue = default(T))
+        {
+            string tempvalue = token.ToString();
+            if (string.IsNullOrEmpty(tempvalue))
+                return defValue;
+
+            Type type = typeof(T);
+            var typeName = type.Name.ToLower();
+            try
+            {
+                if (typeName == "string")
+                    return (T)(object)tempvalue;
+                if (tempvalue is IConvertible)
+                    return (T)System.Convert.ChangeType(tempvalue, type);
+            }
+            catch
+            {
+                return default(T);
+            }
+
+            return defValue;
+        }
+    }
+}

AllBase/Extension/LinqExtension.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AllBase.Extension
+{
+    public static class LinqExtension
+    {
+        public static IEnumerable<TSource> DistinctBy<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector)
+        {
+            HashSet<TKey> seenKeys = new HashSet<TKey>();
+            foreach (TSource element in source)
+            {
+                if (seenKeys.Add(keySelector(element)))
+                {
+                    yield return element;
+                }
+            }
+        }
+    }
+}