泛型

        /// 泛型类型转换
        public static T Convert2T<T>(string str, T defualtValue)
        {
            if (!string.IsNullOrEmpty(str))
            {
                object obj = Convert.ChangeType(str, typeof(T));
                if (obj != null)
                    return (T)obj;
            }
            return defualtValue;
        }

　　  public static object getDicValue(string paramName, Dictionary<String, Object> divValues)
        {
            if (divValues.ContainsKey(paramName))
                return divValues[paramName];
            return null;
        }

　　  public static T getDicValue<T>(string paramName, Dictionary<String, Object> divValues, T defaultValue)
        {
            object value = getDicValue(paramName, divValues);
            if (value != null)
                return Convert2T<T>(value.ToString(), defaultValue);

            return defaultValue;
        }