1 import java.text.SimpleDateFormat;
 2 import java.util.Calendar;
 3 import java.util.Scanner;
 4
 5 public class Test {
 6      public static int year;
 7         public static int month;
 8         public static int day;
 9         public static void main(String[] args) throws Exception {
10             String[] input = { "输入年 :", "输入月 :", "输入日 :" };
11                 System.out.println("请输入日期：");
12                 Scanner sc = new Scanner(System.in);
13                 year = input(input[0], sc, 0);
14                 month = input(input[1], sc, 1);
15                 day = input(input[2], sc, 2);
16                 Calendar calendar = Calendar.getInstance();
17                 calendar.set(Calendar.YEAR, year);
18                 calendar.set(Calendar.MONTH, month - 1);
19                 calendar.set(Calendar.DATE, day + 1);
20                 SimpleDateFormat sdf = new SimpleDateFormat("yyyy年MM月dd日");
21
22                 System.out.println(sdf.format(calendar.getTime()));
23
24             }
25         public static int input(String message, Scanner sc, int index) {
26             while (true) {
27                 System.out.print(message);
28                 String str = sc.nextLine();
29                 try {
30                     int result = Integer.parseInt(str);
31                     if (index == 0 && !(result >= 1920 && result <= 2050)) {
32                         System.out.println("年份超出范围");
33                         continue;
34                     }
35                     if (index == 1 && !(result >= 1 && result <= 12)) {
36                         System.out.println("月份超出范围");
37                         continue;
38                     }
39                     if (index == 2) {
40                         int end = endDay(year,month);
41                         if (!(result >= 1 && result <= end)) {
42                             System.out.println("日期超出范围");
43                             continue;
44                         }
45                     }
46                     return result;
47                 } catch (Exception e) {
48                     System.out.println("input error!");
49                 }
50             }
51         }
52         public static int endDay(int year, int month) {
53             Calendar c = Calendar.getInstance();
54             c.set(Calendar.YEAR, year);
55             c.set(Calendar.MONTH, month);
56             c.set(Calendar.DATE, 0);
57             return c.get(Calendar.DATE);
58         }
59 }