C#自定讀取配置文件類

這個C#類定義了讀取AppSettings的配置文件的常用方法，通過這個類可以很容易從AppSettings配置文件讀取字符串、數字、bool類型的字段信息。

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using System;
using System.Configuration;

namespace DotNet.Utilities
{
    /// <summary>
    /// web.config操作類
    /// </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;
    }
}

}</pre>