读取、添加、删除、修改配置文件 如（Web.config, App.config) 

 1    private Configuration config;
 2         public OperateConfig()
 3             : this(HttpContext.Current.Request.ApplicationPath)
 4         {
 5         }
 6 
 7         public OperateConfig(string path)
 8         {
 9             config = WebConfigurationManager.OpenWebConfiguration(path);
10         }
11 
12         /// <summary>
13         /// 设置应用程序配置节点,如果已经存在此节点,则会修改该节点的值,否则添加此节点
14         /// </summary>
15         /// <param name="key"></param>
16         /// <param name="value"></param>
17         public void SetAppSetting(string key, string value)
18         {
19             AppSettingsSection appSetting = (AppSettingsSection)config.GetSection("appSettings");
20             if (appSetting.Settings[key] == null)
21             {
22                 appSetting.Settings.Add(key, value);
23             }
24             else
25             {
26                 appSetting.Settings[key].Value = value;
27             }
28         }
29 
30         /// <summary>
31         /// 设置数据库连接字符串节点,如果不存在此节点,则会添加此节点及对应的值,存在则修改
32         /// </summary>
33         /// <param name="key"></param>
34         /// <param name="connectionString"></param>
35         public void SetConnectionString(string key, string connectionString)
36         {
37             ConnectionStringsSection connectionSetting = (ConnectionStringsSection)config.GetSection("connectionStrings");
38             if (connectionSetting.ConnectionStrings[key] == null)//如果不存在此节点,则添加   
39             {
40                 ConnectionStringSettings connectionStringSettings = new ConnectionStringSettings(key, connectionString);
41                 connectionSetting.ConnectionStrings.Add(connectionStringSettings);
42             }
43             else//如果存在此节点,则修改   
44             {
45                 connectionSetting.ConnectionStrings[key].ConnectionString = connectionString;
46             }
47         }
48 
49         /// <summary>
50         /// 保存所作的修改
51         /// </summary>
52         public void Save()
53         {
54             config.Save();
55             config = null;
56         }
57 
58         public void Dispose()
59         {
60             if (config != null)
61             {
62                 config.Save();
63             }
64         }

 

posted @ 2013-08-03 08:54  Space Tian  阅读(1040)  评论(0)    收藏  举报