获取web.config中appseting配置节信息

using System;
using System.Configuration;

    /**//// <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)
        ...{
            return ConfigurationSettings.AppSettings[key];
        }
        /**//// <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;
        }
    }