这种语法还未学到,能用switch,case语法编多一次吗?万分感谢。
追答public static void main(String[] args) {
// TODO Auto-generated method stub
int year = 2012, lemp;
int month = 2, day = 21;
int i = 0;
switch (month) {
case 1:
i = 0;
break;
case 2:
i = 31;
break;
case 3:
i = 59;
break;
case 4:
i = 90;
break;
case 5:
i = 120;
break;
case 6:
i = 151;
break;
case 7:
i = 181;
break;
case 8:
i = 212;
break;
case 9:
i = 243;
break;
case 10:
i = 273;
break;
case 11:
i = 304;
break;
case 12:
i = 334;
break;
// default;
}
i = i + day;
if (year % 400 == 0 || (year % 100 != 0 && year % 4 == 0)) { // 判断是否为闰年
lemp = 1;
} else
lemp = 0;
if (lemp == 1 && month > 2) { // 如果是闰年且月份大于二,总天数应该加一
i++;
}
System.out.println("这一天是此年中的第:" + i + "天!");
}