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【Java】自定义日历显示日期

作者:DDT / 发布于2012/5/26/ 554

自定义日历显示日期

<div>public class CalendarHack extends JPanel {
protected Image background, highlight, day_img;
protected SimpleDateFormat month = new SimpleDateFormat("MMMM");
protected SimpleDateFormat year = new SimpleDateFormat("yyyy");
protected SimpleDateFormat day = new SimpleDateFormat("d");
protected Date date = new Date();</div>
<div>public void setDate(Date date) {
this.date = date;
}
<div>public CalendarHack() {
background = new ImageIcon("calendar.png").getImage();
highlight = new ImageIcon("highlight.png").getImage();
day_img = new ImageIcon("day.png").getImage();
this.setPreferredSize(new Dimension(300,280));</div>
<div>}

public void paintComponent(Graphics g) {</div>
<div>((Graphics2D)g).setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g.drawImage(background,0,0,null);
g.setColor(Color.black);
g.setFont(new Font("SansSerif",Font.PLAIN,18));
g.drawString(month.format(date),34,36);
g.setColor(Color.white);
g.drawString(year.format(date),235,36);</div>
<div>}
}
<div>Calendar today = Calendar.getInstance();
today.setTime(date);
Calendar cal = Calendar.getInstance();
cal.setTime(date);</div>
<div>cal.set(Calendar.DATE,1);
cal.add(Calendar.DATE,-cal.get(Calendar.DAY_OF_WEEK)+1);
for(int week = 0; week < 6; week++) {
for(int d = 0; d < 7; d++) {
Image img = day_img;
Color col = Color.black;
// only draw if it's actually in this month
if(cal.get(Calendar.MONTH) == today.get(Calendar.MONTH)) {
if(cal.equals(today)) {
img = highlight;
col = Color.white;
}
g.drawImage(img,d*30+46,week*29+81,null);
g.drawString(day.format(cal.getTime()),
d*30+46+4,week*29+81+20);
}
cal.add(Calendar.DATE,+1);
}
}

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