通过字符串获得double?
2017-01-25 17:20:05 访问(1317) 赞(0) 踩(0)
/// <summary>
/// 通过字符串获得double?
/// </summary>
/// <param name="obj"></param>
/// <param name="defaultValue"></param>
/// <returns></returns>
public double? GetDoubleNullByStr(string str, double? defaultValue)
{
if (str == null || str.Length == 0)
return null;
double theResult = double.MinValue;
if (double.TryParse(str, out theResult))
return theResult;
return defaultValue;
}
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通过字符串获得double? 


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