[转]ASP.NET Web.Config 读写辅助类
using System; using System.Configuration; using System.Web; using System.Web.Configuration; namespace Whir.ezEIP { /// <summary> /// WebConfig读写辅助类 /// </summary> public class WebConfigManager : IDisposable { private Configuration _config; /// <summary> /// WebConfig读写辅助类 /// </summary> public WebConfigManager() : this(HttpContext.Current.Request.ApplicationPath) { } /// <summary> /// WebConfig读写辅助类 /// </summary> /// <param name="path"></param> public WebConfigManager(string path) { _config = WebConfigurationManager.OpenWebConfiguration(path); } #region IDisposable Members public void Dispose() { if (_config != null) { _config.Save(); } } #endregion /// <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) { var 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; } Save(); } /// <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="connectionString"> </param> public void SetConnectionString(string key, string connectionString) { var connectionSetting = (ConnectionStringsSection)_config.GetSection("connectionStrings"); if (connectionSetting.ConnectionStrings[key] == null) //如果不存在此节点,则添加 { var 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; } Save(); } /// <summary> /// 保存所作的修改 /// </summary> public void Save() { _config.Save(); _config = null; } } }
使用方法:
var config = new WebConfigManager(); config.SetAppSetting("StrRegex", "");
读取AppSetting和ConnectionString:
string fileType=ConfigurationManager.AppSettings["FileType "];
string connectionString = ConfigurationManager.ConnectionStrings["AspNetStudyConnectionString1"].ConnectionString;
作者:a497785609 发表于2014-6-4 11:32:28 原文链接
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