没有Exception的String转Double方法

NumberUtils

toDoublepublic static double toDouble(java.lang.String str, double defaultValue)

Convert a String to a double, returning a default value if the conversion fails.

If the string str is null, the default value is returned.

NumberUtils.toDouble(null, 1.1d) = 1.1d NumberUtils.toDouble("", 1.1d) = 1.1d NumberUtils.toDouble("1.5", 0.0d) = 1.5d

Parameters:str - the string to convert, may be nulldefaultValue - the default value