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* 根据月日判断星座
* @param month
* @param day
* @return int
*/
public static String getConstellation(int m,int d){
final String[] constellationArr = {"魔羯座" ,"水瓶座", "双鱼座", "牡羊座", "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" };
final int[] constellationEdgeDay = { 20,18,20,20,20,21,22,22,22,22,21,21};
int month=m;
int day =d;
if (day = constellationEdgeDay[month-1]) {
month = month - 1;
}
if (month = 0) {
return constellationArr[month];
}
//default to return 魔羯
return constellationArr[11];
}
定义一个String类;
使用接收格式为(xx/xx);
使用Stringbuffer分割为两个int类型
month(月) day(日)
switch(month){
case 1:
if(day=23){
system.out.print("....星座");
}else{
system.out.print("....星座");
}
black;
…………
}
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Scanner;
public class Test {
public static void main(String[] args) throws ParseException {
Scanner scanner = new Scanner(System.in);
// 只输入月、日,此代码未校验月、日输入是否合理,比如2月30
System.out.print("请输入你的出生月份");
int month = scanner.nextInt();
System.out.print("请输入你的出生日期");
int day = scanner.nextInt();
System.out.print("你的星座是:");
// 通过输入完整日期的方式判断,可以自动处理不合理日期,比如2月30
// SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
// System.out.print("请输入你的出生日期(形如2018-02-03):");
// Date birthday = dateFormat.parse(scanner.nextLine());
//
// Calendar calendar = Calendar.getInstance();
// calendar.setTime(birthday);
// int month = calendar.get(Calendar.MONTH) + 1;
// int day = calendar.get(Calendar.DAY_OF_MONTH);
// System.out.print("你的生日是 :" + dateFormat.format(birthday) + "\r\n你的星座是:");
scanner.close();
switch (month) {
case 1:
if (day 22)
System.out.println("摩羯座");
else
System.out.println("水瓶座");
break;
case 2:
if (day 22)
System.out.println("水瓶座");
else
System.out.println("双鱼座");
break;
case 3:
if (day 22)
System.out.println("双鱼座");
else
System.out.println("白羊座");
break;
case 4:
if (day 22)
System.out.println("白羊座");
else
System.out.println("金牛座");
break;
case 5:
if (day 22)
System.out.println("金牛座");
else
System.out.println("双子座");
break;
case 6:
if (day 22)
System.out.println("双子座");
else
System.out.println("巨蟹座");
break;
case 7:
if (day 22)
System.out.println("巨蟹座");
else
System.out.println("狮子座");
break;
case 8:
if (day 22)
System.out.println("狮子座");
else
System.out.println("处女座");
break;
case 9:
if (day 22)
System.out.println("处女座");
else
System.out.println("天枰座");
break;
case 10:
if (day 22)
System.out.println("天枰座");
else
System.out.println("天蝎座");
break;
case 11:
if (day 22)
System.out.println("天蝎座");
else
System.out.println("射手座");
break;
case 12:
if (day 22)
System.out.println("射手座");
else
System.out.println("摩羯座");
}
}
}
既然不允许用其他的方式,那就直接上代码吧....
public static void main(String[] args) {
int point = -1;
String[] str = {"白羊","金牛","双子","巨蟹","狮子","处女","天平","天蝎","射手","摩羯","水瓶","双鱼"};
SimpleDateFormat sdf = new SimpleDateFormat("MM-dd");
System.out.println("请输入一个日期,格式为MM-dd,例如:8-9");
Scanner scan = new Scanner(System.in);
Date d = null;
while (true) {
try {
String input = scan.next();
d = sdf.parse(input);
break;
} catch (Exception ex) {
System.out.println("请输入正确的日期格式,例如:08-09");
}
}
//格式化日期,将日期转成**.**的格式,比如1月1日转成1.01
Double date = Double.parseDouble((d.getMonth() + 1)
+ "." + String.format("%02d", d.getDate()));
if (3.21 = date 4.19 = date) {
point = 0;
} else if (4.20 = date 5.20 = date) {
point = 1;
} else if (5.21 = date 6.21 = date) {
point = 2;
} else if (6.22 = date 7.22 = date) {
point = 3;
} else if (7.23 = date 8.22 = date) {
point = 4;
} else if (8.23 = date 9.22 = date) {
point = 5;
} else if (9.23 = date 10.23 = date) {
point = 6;
} else if (10.24 = date 11.22 = date) {
point = 7;
} else if (11.23 = date 12.21 = date) {
point = 8;
} else if (12.22 = date 12.31 = date) {
point = 9;
} else if (1.01 = date 1.19 = date) {
point = 9;
} else if (1.20 = date 2.18 = date) {
point = 10;
} else if (2.19 = date 3.20 = date) {
point = 11;
}
if(point == -1) {
System.out.println("你真的是地球人么....");return;
}
System.out.println(String.format(
"找到啦!o^ ^o,你的星座是%s.", str[point]));