java日历记事本源代码（多种实现）

package a; import javax.swing.*; import java.awt.*; import java.awt.event.*; import java.io.*; import java.util.Calendar; import java.util.Hashtable; public class Rili extends JFrame implements ActionListener, MouseListener { int year, month, day; Label label;//定义一个label标签 NotePad notepad;//定义一个类的对象 File file;//文件和目录路径名的抽象表示形式 JTextField showDay[];//定义一个单行文本数组 JLabel title[]; // 星期字段组标签 JButton button1, button2, button3, button4; JTextField showYear = null;//定义一个文本框 JTextField showMonth = null; // 定义字符串类型（星期）数组 String 星期[] = {"星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六"}; Calendar calendar; // 日历 int week;// 星期几 JPanel leftPanel, rightPanel;//定义两容器 //构造方法 public Rili(int year, int month, int day) { super("日历"); this.setSize(600, 300); // 左容器 //实例化对象 leftPanel = new JPanel(); JPanel leftCenter = new JPanel(); JPanel leftNorth = new JPanel(); // 使用网格布局方式 GridLayout myLayout = new GridLayout(7, 7); leftCenter.setLayout(myLayout);// 把网格布局放入左容器中 button1 = new JButton("上年"); button2 = new JButton("下年"); button3 = new JButton("上月"); button4 = new JButton("下月"); showYear = new JTextField(4); // 添加事件 showYear.addActionListener(this); showYear.setText("" + year);// 向文本内添入数据 // showYear.setEditable(true);// 可修改文本年 showYear.setForeground(Color.black); showMonth = new JTextField(2); // 添加事件 showMonth.addActionListener(this); showMonth.setText("" + month); // showMonth.setEditable(true);// 可修改文本月 showMonth.setForeground(Color.black); // 每个按钮都要添加监听事件 button1.addActionListener(this); button2.addActionListener(this); button3.addActionListener(this); button4.addActionListener(this); title = new JLabel[7]; showDay = new JTextField[42];//生成实例 //把星期字段添加到标签 for (int i = 0; i < 7; i++) { title[i] = new JLabel(); title[i].setText(星期[i]); title[i].setBorder(BorderFactory.createRaisedBevelBorder());//标签外表类型为凸 //添加到容器 leftCenter.add(title[i]); } title[0].setForeground(Color.red); title[6].setForeground(Color.red); for (int j = 0; j < 42; j++) { showDay[j] = new JTextField(); leftCenter.add(showDay[j]); } for (int i = 0; i < 42; i++) { showDay[i].addMouseListener(this); } calendar = Calendar.getInstance(); // 创建一个从左到右显示其组件的 Box Box box = new Box(BoxLayout.X_AXIS); //添加box容器 box.add(button1); box.add(showYear); box.add(button2); box.add(button3); box.add(showMonth); box.add(button4); leftNorth.add(box); leftPanel.setLayout(new BorderLayout()); label = new Label("请在年份输入框输入所查年份(负数表示公元前),并回车确定"); leftPanel.add(label, BorderLayout.SOUTH); leftPanel.add(leftCenter, BorderLayout.CENTER); leftPanel.add(leftNorth, BorderLayout.NORTH); leftPanel.validate(); rightPanel = new JPanel(); this.year = year; this.month = month; this.day = day; JSplitPane split = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, leftPanel, rightPanel); split.setDividerLocation(350);// 设置JSplitPane对象splitPane1的分隔线位置 this.add(split); rili(year, month); this.setVisible(true); this.setResizable(false); // 文件 //从文件中读内容 file = new File("日历记事本.txt"); Hashtable hashtable = new Hashtable(); if (!file.exists()) { try { ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(file)); out.writeObject(hashtable); out.close(); } catch (IOException e) { } } // 右容器 notepad = new NotePad(this); rightPanel.add(notepad); notepad.top(year, month, day); } // 年 public void setshowYear(int year) { this.year = year; showYear.setText("" + year); } public int getshowYear() { return year; } //月 public void setshowMonth(int month) { if (month <= 12 && month >= 1) { this.month = month; } else { this.month = 1; } showMonth.setText("" + month); } public int getshowMonth() { return month; } // 设置上年、下年、上月、下月四个按钮 public void actionPerformed(ActionEvent e) { //判断上年、下年 if (e.getSource() == button1) { year = year - 1; showYear.setText("" + year); setshowYear(year); rili(year, getshowMonth()); notepad.top(year, month, day); } if (e.getSource() == button2) { year = year + 1; showYear.setText("" + year); setshowYear(year); rili(year, getshowMonth()); notepad.top(year, month, day); } //判断上月、下月 if (e.getSource() == button3) { if (month >= 2) { month = month - 1; setshowMonth(month); rili(getshowYear(), month); notepad.top(year, month, day); } else if (month == 1) { month = 12; setshowMonth(month); rili(getshowYear(), month); notepad.top(year, month, day); } showMonth.setText("" + month); } else if (e.getSource() == button4) { if (month < 12) { month = month + 1; setshowMonth(month); rili(getshowYear(), month); } else if (month == 12) { month = 1; setshowMonth(month); rili(getshowYear(), month); } showMonth.setText("" + month); } if (e.getSource() == showYear) { try { year = Integer.valueOf(showYear.getText()); } catch (Exception ee) { } finally { rili(year, month); showYear.setText(String.valueOf(year)); } } if (e.getSource() == showMonth) { try { month = Integer.valueOf(showMonth.getText()); } catch (Exception a) { } finally { rili(year, month); showMonth.setText(String.valueOf(month)); } } } // 编排号码 public void number(int week, int mDay) { for (int i = week, n = 1; i < week + mDay; i++) { showDay[i].setText("" + n); showDay[i].setEditable(false); if (n == day) { showDay[i].setForeground(Color.red); showDay[i].setFont(new Font("TimesRoman", Font.BOLD, 22)); } else { showDay[i].setForeground(Color.black); showDay[i].setFont(new Font("TimesRoman", Font.BOLD, 12)); } if (i % 7 == 0) { showDay[i].setBackground(Color.white); } if (i % 7 == 6) { showDay[i].setBackground(Color.white); } n++; } for (int i = 0; i < week; i++) {