str转成double? - DoubleByStr
2017-01-25 17:29:07 访问(1356) 赞(0) 踩(0)
/// <summary>
/// str转成double?
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public double DoubleByStr(string str, double defaultValue)
{
if (str == null)
return defaultValue;
if (str.Length == 0)
return defaultValue;
double theResult = 0;
if (double.TryParse(str, out theResult))
return theResult;
return defaultValue;
}
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str转成double? - DoubleByStr 


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