获取WebConfig 配置项的值

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Configuration;
 6 
 7 namespace DataInterface.Archives
 8 {
 9     public class Configuration
10     {
11         /// <summary>
12         ///   索引器
13         /// </summary>
14         /// <param name="Configkey">配置项的key</param>
15         /// <returns></returns>
16         public string this[string configkey]
17         {
18             get { return GetFileConfigValue(configkey); }
19         }
20 
21         private static Configuration _settings = new Configuration();
22         /// <summary>
23         /// 获取WebConfig 配置项的值。
24         /// </summary>
25         /// <param name="configkey">配置项的key</param>
26         /// <returns></returns>
27         private static string GetFileConfigValue(string configkey)
28         {
29             string configValue = ConfigurationManager.AppSettings[configkey];
30             return configValue ?? "";
31         }
32     }
33 }

用ConfigurationManager.AppSettings获取配置文件web.config中指定配置项的值。