这个C#类定义了读取AppSettings的配置文件的常用方法,通过这个类可以很容易从AppSettings配置文件读取字符串、数字、bool类型的字段信息。
using System; using System.Configuration; namespace DotNet.Utilities { /// <summary> /// web.config操作类 /// </summary> public sealed class ConfigHelper { /// <summary> /// 得到AppSettings中的配置字符串信息 /// </summary> /// <param name="key"></param> /// <returns></returns> public static string GetConfigString(string key) { string CacheKey = "AppSettings-" + key; object objModel = DataCache.GetCache(CacheKey); if (objModel == null) { try { objModel = ConfigurationManager.AppSettings[key]; if (objModel != null) { DataCache.SetCache(CacheKey, objModel, DateTime.Now.AddMinutes(180), TimeSpan.Zero); } } catch { } } return objModel.ToString(); } /// <summary> /// 得到AppSettings中的配置Bool信息 /// </summary> /// <param name="key"></param> /// <returns></returns> public static bool GetConfigBool(string key) { bool result = false; string cfgVal = GetConfigString(key); if(null != cfgVal && string.Empty != cfgVal) { try { result = bool.Parse(cfgVal); } catch(FormatException) { // Ignore format exceptions. } } return result; } /// <summary> /// 得到AppSettings中的配置Decimal信息 /// </summary> /// <param name="key"></param> /// <returns></returns> public static decimal GetConfigDecimal(string key) { decimal result = 0; string cfgVal = GetConfigString(key); if(null != cfgVal && string.Empty != cfgVal) { try { result = decimal.Parse(cfgVal); } catch(FormatException) { // Ignore format exceptions. } } return result; } /// <summary> /// 得到AppSettings中的配置int信息 /// </summary> /// <param name="key"></param> /// <returns></returns> public static int GetConfigInt(string key) { int result = 0; string cfgVal = GetConfigString(key); if(null != cfgVal && string.Empty != cfgVal) { try { result = int.Parse(cfgVal); } catch(FormatException) { // Ignore format exceptions. } } return result; } } }