如何使用JCalendar选择我的数组的元素？ [英] How to use JCalendar to select an element of my array?

问题描述

我有一个三维阵列，其中包含38年中，12个月，每月31项（无论在该月的天数）。像这样：数组[38] [12] [31] 。我也有一个JCalendar，现在是什么都不做，除了寻找pretty和JCalendar有一个按钮的下方。我将如何让这个我可以选择在日历中的日期，那么preSS的按钮，它返回我的阵列，将对应于该日期元素？

I have a 3D array that contains 38 years, 12 months, and 31 entries for each month (regardless of how many days in that month). Like so: array[38][12][31]. I also have a JCalendar that is doing nothing now except looking pretty, and the JCalendar has a button underneath. How would I make it so that I can select a date in the calendar, then press the button and it returns the element of my array that would correspond to that date?

像

if(buttonPressed){
    year = chosenYear - 1975;
    month = chosenMonth;
    day = chosenDay;

    System.out.print(array[year][month][day]);
}

谢谢你们。

推荐答案

您可以在选定的日期 的PropertyChangeListener ，如图 href=\"http://stackoverflow.com/a/4157956/230513\">。一旦你的日期，你可以从日历的年，月，日：

You can get the selected Date in a PropertyChangeListener, as shown here. Once you have the date, you can get the year, month and day from a Calendar:

Calendar c = Calendar.getInstance();
c.setTime(date);
int y = c.get(Calendar.YEAR);
int m = c.get(Calendar.MONTH);
int d = c.get(Calendar.DAY_OF_MONTH);

的Calendar.MONTH 已经是零基础，但 Calendar.DAY_OF_MONTH 不是;你会需要一年来适应你的基线。

Calendar.MONTH is already zero-based, but Calendar.DAY_OF_MONTH is not; and you'll need to adjust the year to your baseline.

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