/// <summary>
/// 从指定的配置接口中获取参数值。
/// </summary>
/// <param name="settings">配置接口</param>
/// <param name="key">参数名称</param>
/// <param name="maxValue">允许的最大数值</param>
/// <param name="minValue">允许的最小数值</param>
/// <param name="defaultValue">参数值不符合条件时返回的默认值。</param>
/// <returns>指定参数名称对应的参数值，如果参数值不符合要求，则返回指定的默认值。</returns>
public static Decimal GetDecimal(IDictionary <string, string> settings, string key,
Decimal minValue = Decimal.MinValue,
Decimal maxValue = Decimal.MaxValue,
Decimal defaultValue = 0)
{
var text = GetString(settings, key);
try
{
var result = SettingsParser.ParseDecimal(text);
if (result >= minValue && result <= maxValue)
{
return(result);
}
else
{
return(defaultValue);
}
}
catch (Exception /*ex*/)
{
return(defaultValue);
}
}
/// <summary>
/// 从指定的配置接口中获取字节数组。
/// </summary>
public static byte[] GetByteArray(IDictionary <string, string> settings, string key)
{
var text = GetString(settings, key);
var result = new List <byte>();
var splitedText = text.Trim().
Split(new string[] { ";", "；", ",", "，", " ", "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
foreach (var item in splitedText)
{
try
{
var value = SettingsParser.ParseDecimal(item);
result.Add(Convert.ToByte(value));
}
catch (FormatException /*ex*/)
{
throw new Exception(string.Format("无法将字符串'{0}'转化为数值。", item));
}
}
return(result.ToArray());
}