获取配置文件

 1     /// <summary>
 2     /// 获取config配置文件
 3     /// </summary>
 4     public class ConfigHelper
 5     {
 6         private  ConfigHelper()
 7         {
 8 
 9         }
10 
11         /// <summary>
12         /// 根据AppSettings获取配置信息
13         /// </summary>
14         /// <param name="key"></param>
15         /// <returns></returns>
16         public static string GetStringByAppSettings(string key)
17         {
18             string configString = ConfigurationManager.AppSettings[key];
19 
20             return configString;
21         }
22 
23         /// <summary>
24         /// 根据ConnectionStrings获取配置信息
25         /// </summary>
26         /// <param name="key"></param>
27         /// <returns></returns>
28         public static string GetstringByConnectionStrings(string key)
29         {
30             string configString = ConfigurationManager.ConnectionStrings[key].ConnectionString;
31 
32             return configString;
33         }
34 
35     }