From 29c3a12bcf4a20bdd6563a968de6c4148c9a87e3 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Mon, 31 Dec 2018 13:50:10 +0800
Subject: [PATCH] Cache Bug

---
 Src/Asp.Net/ExtensionsDemo/CacheDemo.cs          |  4 ++--
 .../SqlSugar/CacheScheme/CacheKeyBuider.cs       |  2 +-
 Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs    | 16 ++++++++++++++++
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/Src/Asp.Net/ExtensionsDemo/CacheDemo.cs b/Src/Asp.Net/ExtensionsDemo/CacheDemo.cs
index b369903d2..4ca070ba3 100644
--- a/Src/Asp.Net/ExtensionsDemo/CacheDemo.cs
+++ b/Src/Asp.Net/ExtensionsDemo/CacheDemo.cs
@@ -12,8 +12,8 @@ namespace ExtensionsDemo
     {
         public static void Init()
         {
-            //HttpRuntimeCache();
-            RedisCache();
+            HttpRuntimeCache();
+            //RedisCache();
 
         }
 
diff --git a/Src/Asp.Net/SqlSugar/CacheScheme/CacheKeyBuider.cs b/Src/Asp.Net/SqlSugar/CacheScheme/CacheKeyBuider.cs
index 4b6155ccc..3168d87b3 100644
--- a/Src/Asp.Net/SqlSugar/CacheScheme/CacheKeyBuider.cs
+++ b/Src/Asp.Net/SqlSugar/CacheScheme/CacheKeyBuider.cs
@@ -28,7 +28,7 @@ namespace SqlSugar
             result.IdentificationList.Add(queryBuilder.Take.ObjToString());
             result.IdentificationList.Add(queryBuilder.Skip.ObjToString());
             result.IdentificationList.Add(queryBuilder.IsCount.ObjToString());
-            result.IdentificationList.Add(queryBuilder.GetSelectValue.ObjToString().Length.ObjToString());
+            result.IdentificationList.Add(UtilMethods.GetMD5(queryBuilder.GetSelectValue.ObjToString()));
             if (queryBuilder.Parameters.HasValue())
             {
                 foreach (var item in queryBuilder.Parameters)
diff --git a/Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs b/Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs
index 945aaf8c3..dc20c7321 100644
--- a/Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs
+++ b/Src/Asp.Net/SqlSugar/Utilities/UtilMethods.cs
@@ -4,6 +4,7 @@ using System.Data;
 using System.Data.SqlClient;
 using System.Linq;
 using System.Reflection;
+using System.Security.Cryptography;
 using System.Text;
 using System.Text.RegularExpressions;
 
@@ -114,5 +115,20 @@ namespace SqlSugar
             return Convert.ToInt64(string.Join("", bytes).PadRight(20, '0'));
         }
 
+        internal static string GetMD5(string myString)
+        {
+            MD5 md5 = new MD5CryptoServiceProvider();
+            byte[] fromData = System.Text.Encoding.Unicode.GetBytes(myString);
+            byte[] targetData = md5.ComputeHash(fromData);
+            string byte2String = null;
+
+            for (int i = 0; i < targetData.Length; i++)
+            {
+                byte2String += targetData[i].ToString("x");
+            }
+
+            return byte2String;
+        }
+
     }
 }