星座查询：C#版根据生日查星座
public string GetAtomFromBirthday(DateTime birthday)
{
float birthdayF = 0.00F;
if (birthday.Month == 1 && birthday.Day < 20)
{
birthdayF = float.Parse(string.Format("13.{0}", birthday.Day));
}
else
{
birthdayF = float.Parse(string.Format("{0}.{1}", birthday.Month, birthday.Day));
}
float[] atomBound ={ 1.20F, 2.20F, 3.21F, 4.21F, 5.21F, 6.22F, 7.23F, 8.23F, 9.23F, 10.23F, 11.21F, 12.22F, 13.20F };
string[] atoms = { "水瓶座", "双鱼座", "白羊座", "金牛座", "双子座", "巨蟹座", "狮子座", "处女座", "天秤座", "天蝎座", "射手座", "魔羯座" };
string ret = "靠！外星人啊。";
for (int i = 0; i < atomBound.Length - 1; i++)
{
if (atomBound[i] <= birthdayF && atomBound[i + 1] > birthdayF)
{
ret = atoms[i];
break;
}
}
return ret;
}