Update Cache Demos

Src/Asp.Net/ExtensionsDemo/CacheDemo.cs

@@ -0,0 +1,52 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ExtensionsDemo
+{
+    public class CacheDemo
+    {
+        public static void Init()
+        {
+            var myCache = new SqlSugar.Extensions.HttpRuntimeCache();
+            SqlSugarClient db = new SqlSugarClient(
+              new ConnectionConfig()
+              {
+                  ConnectionString = Config.ConnectionString,
+                  DbType = DbType.SqlServer,
+                  IsAutoCloseConnection = true,
+                  ConfigureExternalServices = new ConfigureExternalServices()
+                  {
+                      DataInfoCacheService = myCache
+                  }
+              });
+    
+            for (int i = 0; i < 10000; i++)
+            {
+                db.Queryable<Student>().Where(it => it.Id > 0).WithCache().ToList();
+            }
+
+            db.Queryable<Student, Student>((s1, s2) => s1.Id == s2.Id).Select(s1=>s1).WithCache().ToList();
+
+            db.Queryable<Student, Student>((s1, s2) => new object[] {
+                JoinType.Left,s1.Id==s2.Id
+            }).Select(s1 => s1).WithCache().ToList();
+
+            Console.WriteLine("Cache Key Count:"+myCache.GetAllKey<string>().Count());
+            foreach (var item in myCache.GetAllKey<string>())
+            {
+                Console.WriteLine();
+                Console.WriteLine(item);
+                Console.WriteLine();
+            }
+
+            db.Deleteable<Student>().Where(it => it.Id == 1).RemoveDataCache().ExecuteCommand();
+
+            Console.WriteLine("Cache Key Count:" + myCache.GetAllKey<string>().Count());
+        }
+ 
+    }
+}