【C#公共帮助类】 WebHelper帮助类

如果你是一个新手，如果你刚接触MVC，如果你跟着置顶的那个项目，我们肯定会用到这里面的几个帮助类

它们都在Common类库下，大家一定要记住要点：取其精华去其糟粕，切勿拿来主义~

 

ApplicationCache.cs

 

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Web;
 6 
 7 namespace Common
 8 {
 9     public interface ICache
10     {
11         /// <summary>
12         /// 获取全局应用缓存
13         /// </summary>
14         /// <param name="key"></param>
15         /// <returns></returns>
16         object GetApplicationCache(string key);
17         /// <summary>
18         /// 设置全局应用缓存
19         /// </summary>
20         /// <param name="key"></param>
21         /// <param name="obj"></param>
22         void SetApplicationCache(string key, object obj);
23         /// <summary>
24         /// 删除全局应用缓存
25         /// </summary>
26         /// <param name="key"></param>
27         void RemoveApplicationCache(string key);
28     }
29     /// <summary>
30     /// 全局应用缓存
31     /// </summary>
32     public  class ApplicationCache:ICache
33     {
34         #region ICache 成员
35 
36         public object GetApplicationCache(string key)
37         {
38             return HttpContext.Current.Application[key];
39         }
40 
41         public void SetApplicationCache(string key, object obj)
42         {
43             HttpContext.Current.Application.Add(key, obj);
44         }
45 
46         public void RemoveApplicationCache(string key)
47         {
48             HttpContext.Current.Application.Remove(key);
49         }
50         #endregion
51     }
52 }

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