web.config修改通用类
下面是针对web.config修改通用类的代码: 把上面的代码存放到App_Code文件夹下,我们在项目中就可以直接使用了。
- using System;
- using System.Configuration;
- using System.Web;
- using System.Web.Configuration;
-
- /// <summary>
- /// ConfigurationOperator 的摘要说明
- /// </summary>
- public class ConfigurationOperator:IDisposable
- {
- private Configuration config;
- public ConfigurationOperator():this(HttpContext.Current.Request.ApplicationPath)
- {
- }
-
- public ConfigurationOperator(string path)
- {
- config = WebConfigurationManager.OpenWebConfiguration(path);
- }
-
- /// <summary>
- /// 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
- /// </summary>
- /// <param name="key">节点名称</param>
- /// <param name="value">节点值</param>
- public void SetAppSetting(string key, string value)
- {
- AppSettingsSection appSetting = (AppSettingsSection)config.GetSection("appSettings");
- if (appSetting.Settings[key] == null)//如果不存在此节点,则添加
- {
- appSetting.Settings.Add(key, value);
- }
- else//如果存在此节点,则修改
- {
- appSetting.Settings[key].Value = value;
- }
- }
-
- /// <summary>
- /// 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
- /// </summary>
- /// <param name="key">节点名称</param>
- /// <param name="value">节点值</param>
- public void SetConnectionString(string key, string connectionString)
- {
- ConnectionStringsSection connectionSetting = (ConnectionStringsSection)config.GetSection("connectionStrings");
- if (connectionSetting.ConnectionStrings[key] == null)//如果不存在此节点,则添加
- {
- ConnectionStringSettings connectionStringSettings = new ConnectionStringSettings(key, connectionString);
- connectionSetting.ConnectionStrings.Add(connectionStringSettings);
- }
- else//如果存在此节点,则修改
- {
- connectionSetting.ConnectionStrings[key].ConnectionString = connectionString;
- }
- }
-
- /// <summary>
- /// 保存所作的修改
- /// </summary>
- public void Save()
- {
- config.Save();
- config = null;
- }
- public void Dispose()
- {
- if (config != null)
- {
- config.Save();
- }
- }
- }
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