try{
double d = Double.parseDouble(aa);int result = int.parseInt(aa.toString());
}catch(Exception e)
{
throw new Exception ("不是合法的字符串!");
}
double d = Double.parseDouble(aa);int result = int.parseInt(aa.toString());
}catch(Exception e)
{
throw new Exception ("不是合法的字符串!");
}
aa是2进制的值,转换为int型为10近制的值7