java日历插件源代码

package zcl.jdatepicker; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Component; import java.awt.Cursor; import java.awt.Dimension; import java.awt.Font; import java.awt.GridLayout; import java.awt.Label; import java.awt.Point; import java.awt.Toolkit; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.io.BufferedWriter; import java.io.File; import java.io.FileWriter; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import javax.swing.BorderFactory; import javax.swing.ImageIcon; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; import javax.swing.Popup; import javax.swing.PopupFactory; import javax.swing.SwingUtilities; public class JDatePicker extends JPanel { private static final long serialVersionUID = 7812042345563281978L; private static SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd"); private static SimpleDateFormat displaysdf=new SimpleDateFormat("yyyy年M月"); private static Color bgcolor=new Color(160,185,215); private JLabel lblDate; // 显示一个日历小图片 private JTextField txtDate; //一个用于显示选择时间的文本域 private Popup pop=null; //临时弹出窗体的东西 private JPanel lblmain; //日历选择面板的主面板，有四部分组成 private JPanelHead head; //头部，又分三部分 "<<"上一月 "2009-05" 当前月份 ">>"下一月 private JPanelWeek week; //星期显示部分 private JPanelCalendar calendar; //日期显示部分 private JPanelBottom bottom; //底部 显示当前日期，用户快速返回当前日历 static int year=0,month=0,day=1,selectday; //年月日三值的标志 ，默认值无所谓，day=1必须 ,year 用户存放用户所选年， //month月 selectday 所选日 ,最后的三个值的组合便是用户所选日期了 static Calendar calendar0=Calendar.getInstance(); //日历对象 //static Date chooseDay=calendar0.getTime(); public static void setSimpleDateFormat(SimpleDateFormat simpledateformat){ sdf=simpledateformat; } public JDatePicker(Dimension dimension){ this.lblDate=new JLabel(new ImageIcon(this.getClass().getResource("images/datePicker.gif"))); this.txtDate=new JTextField(20); this.lblDate.setToolTipText("单击我，弹出日历！\n今天日期："+sdf.format(new Date())); this.setBackground(Color.white); txtDate.setText(this.getToolTipText()); this.setSize(dimension); this.setLayout(null); this.lblDate.setBounds(0, 0, 20, 25); this.txtDate.setBounds(22, 0, dimension.width-22, 25); this.add(this.lblDate); this.add(this.txtDate); this.initDatePicker(); } public JDatePicker(){ this.lblDate=new JLabel(new ImageIcon(this.getClass().getResource("images/datePicker.gif"))); this.txtDate=new JTextField(20); this.lblDate.setToolTipText("单击我，弹出日历！\n今天日期："+sdf.format(new Date())); this.setBackground(Color.white); txtDate.setText(this.getToolTipText()); this.setSize(120, 25); this.setLayout(null); this.lblDate.setBounds(0, 0, 20, 25); this.txtDate.setBounds(22, 0, 98, 25); this.add(this.lblDate); this.add(this.txtDate); this.initDatePicker(); } public void initDatePicker(){ this.head=new JPanelHead(); this.week=new JPanelWeek(); this.calendar=new JPanelCalendar(); this.bottom=new JPanelBottom(); this.lblmain=new JPanel(); this.lblmain.setBackground(Color.GRAY); this.lblmain.setSize(new Dimension(180,160)); this.lblmain.setBorder(BorderFactory.createLineBorder(Color.BLUE)); this.lblmain.setLayout(null); this.head.setBounds(0, 0, 180, 20); this.week.setBounds(0, 20, 180, 20); this.calendar.setBounds(0, 40, 180, 100); this.bottom.setBounds(0, 140, 180, 20); this.lblmain.add(this.head); this.lblmain.add(this.week); this.lblmain.add(this.calendar); this.lblmain.add(this.bottom); this.lblDate.addMouseListener(new MouseAdapter(){ //给小图片添加监听，当被按下时，弹出日历选择lblmain public void mousePressed(MouseEvent e) { showPanel(lblDate); } }); } private void showPanel(Component owner){ //这是一个显示弹出日历面板的方法，引用高手的 if(pop!=null){ pop.hide(); } Point show=new Point(0,lblDate.getHeight()); SwingUtilities.convertPointToScreen(show,lblDate); Dimension size=Toolkit.getDefaultToolkit().getScreenSize(); int x=show.x; int y=show.y; if(x<0){ x=0; } if(x>size.width-180){ x=size.width-180; } if(y<size.height-160){ }else{ y-=168; } pop=PopupFactory.getSharedInstance().getPopup(owner,lblmain,x,y); pop.show(); } class JPanelHead extends JPanel{ private static final long serialVersionUID = -2516097436496081975L; JLabel left,center,right; public JPanelHead(){ this.left=new JLabel("<<",JLabel.CENTER); this.left.setToolTipText("上一月"); this.center=new JLabel(displaysdf.format(new Date()),JLabel.CENTER); this.right=new JLabel(">>",JLabel.CENTER); this.right.setToolTipText("下一月"); this.setLayout(new BorderLayout()); this.add(this.left,BorderLayout.WEST); this.add(this.center,BorderLayout.CENTER); this.add(this.right,BorderLayout.EAST); this.setBackground(bgcolor); this.setSize(new Dimension(180,20)); this.left.addMouseListener(new MouseAdapter(){ public void mouseClicked(MouseEvent e) { lastMonth(); calendar.displayFace(year, month); center.setText(displaysdf.format(getChooseDay())); } public void mouseEntered(MouseEvent e) { left.setCursor(new Cursor(Cursor.HAND_CURSOR)); left.setForeground(Color.RED); } public void mouseExited(MouseEvent e) { left.setCursor(new Cursor(Cursor.DEFAULT_CURSOR)); left.setForeground(Color.BLACK); } }); this.right.addMouseListener(new MouseAdapter(){ public void mouseClicked(MouseEvent e) { nextMonth(); calendar.displayFace(year, month); center.setText(displaysdf.format(getChooseDay())); } public void mouseEntered(MouseEvent e) { right.setCursor(new Cursor(Cursor.HAND_CURSOR)); right.setForeground(Color.RED); } public void mouseExited(MouseEvent e) { right.setCursor(new Cursor(Cursor.DEFAULT_CURSOR)); right.setForeground(Color.BLACK); } }); } } class JPanelWeek extends JPanel{ private static final long serialVersionUID = 1281505412525766486L; String weeks[]={"日","一","二","三","四","五","六"}; Label labs[]; public JPanelWeek(){ this.setBackground(Color.WHITE); this.setBorder(BorderFactory.createLineBorder(bgcolor, 2)); labs=new Label[weeks.length]; Font font=new Font("宋体",Font.PLAIN,12); this.setSize(new Dimension(175,20)); this.setLayout(null); int w=this.getSize().width/7; for(int i=0;i<weeks.length;i++){ labs[i]=new Label(weeks[i],JLabel.CENTER); labs[i].setForeground(Color.darkGray); labs[i].setBackground(Color.GRAY); labs[i].setFont(font); labs[i].setBounds(2+w*i, 0, w, 20); this.add(labs[i]); } } } class JPanelCalendar extends JPanel{ private static final long serialVersionUID = 4526880206567665933L; String a[]; int days[]={31,28,31,30,31,30,31,31,30,31,30,31}; String nowday; Label label[][]; File file; FileWriter fw; BufferedWriter bfw; public JPanelCalendar(){ super(new GridLayout(6,7)); this.setSize(new Dimension(180,100)); this.setBorder(BorderFactory.createLineBorder(bgcolor, 2)); calendar0.s