生日转星座

public class ConstellationUtil {

private final static String[] constellationArr = new String[] { "摩羯座",

"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", "摩羯座" };

private final static int[] dayArr = new int[] { 20, 19, 21, 20, 21, 22, 23,

23, 23, 24, 23, 22 };

public static String calculateConstellation(String birthday) {  //传进的值格式为 1991-10-08

if (birthday == null || birthday.equals("")) {

return "";

}

String[] birthdayElements = birthday.split("-");

int month = Integer.parseInt(birthdayElements[1]);

int day = Integer.parseInt(birthdayElements[2]);

return day < dayArr[month - 1] ? constellationArr[month - 1]

: constellationArr[month];

}