App_Code/BaseClass/ConfigHelper.cs

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using System;
using System.Configuration;

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 = LTP.Common.DataCache.GetCache(CacheKey);
        if (objModel == null)
        {
            try
            {
                objModel = ConfigurationManager.AppSettings[key];
                if (objModel != null)
                {
                    LTP.Common.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;