求Java 日历的小程序的源代码_软件运维

也不知道你具体需求是什么，以前改过一个日历程序，一共四个java类，放在同一个包里。经测试可以运行。

//Start.java

import java.awt.*

import javax.swing.*

class Start{

public static void main(String [] args){

DateFrame frame=new DateFrame()

frame.setLocationRelativeTo(frame)

frame.setResizable(false)

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE)

frame.setVisible(true)

}

//DateInfo.java

import java.util.*

public class DateInfo{

private int mYear, mMonth

private int mDayOfMonth, mFristWeek

public DateInfo(int year, int month) throws DateException{

mYear = year

if (month <0 || month >12){

throw (new DateException())

}

mMonth = month

mDayOfMonth = getDayOfMonth(mYear, mMonth)

mFristWeek = getFristWeek(mYear, mMonth)

}

private int getDayOfMonth(int year, int month){

int[][] ary = {{0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},

{0, 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}}

return (ary[isLeapYear(year)][month])

}

private int isLeapYear(int year){

if (year % 4 == 0 &&year % 100 != 0 ||year % 400 == 0){

return (1)

}

else{

return (0)

}

private int getFristWeek(int year, int month){

java.util.Calendar cal = Calendar.getInstance()

cal.set(year, month - 1, 1)

return (cal.get(Calendar.DAY_OF_WEEK) - 1)

}

public String toString(){

String str

str = "\t\t" + mYear + "年" + mMonth + "月\n"

str += "日\t一\t二\t三\t四\t五\t六\n"

int i

for (i = 1i <= mFristWeeki++){

str += " \t"

}

for (int j = 1j <= mDayOfMonthj++, i++){

str +=j+"\t"

if (i % 7 == 0){

str += "\n"

}

return (str)

}

//DateFrame.java

import java.awt.*

import java.awt.event.*

import javax.swing.*

import java.util.Calendar

class DateFrame extends JFrame implements Runnable{

Calendar date=Calendar.getInstance()

String[] str={"1","2","3","4","5","6","7","8","9","10","11","12"}

JLabel lblYear=new JLabel("年 ")

JLabel lblMonth=new JLabel("月 ")

JLabel lblDate=new JLabel("现在的时间是:")

JLabel lblShowDate=new JLabel()

// javax.swing.JTextField trxt =new JTextField(10)

// trxt.setHorizontalAlignment(JTextField.RIGHT) //设置文本从右边输入

JComboBox cboMonth=new JComboBox(str)

JComboBox cboYear=new JComboBox()

JTextArea txaShow=new JTextArea()

JPanel pnlNorth=new JPanel()

JPanel pnlSOUTH=new JPanel()

JButton btnShow=new JButton("显示")

JButton btnClose=new JButton("关闭")

JScrollPane jsp=new JScrollPane(txaShow)

Container c=this.getContentPane()

public DateFrame(){

Thread thread=new Thread(this)

thread.start()

this.setTitle("玩玩日历拉!!!")

this.setSize(300,260)

for (int i = 1990i<=2025i++) {

cboYear.addItem(""+i)

}

cboYear.setSelectedItem(""+(date.get(Calendar.YEAR)))

cboMonth.setSelectedItem(""+(date.get(Calendar.MONTH)+1))

pnlNorth.add(cboYear)

txaShow.setTabSize(4) //设置tab键的距离

txaShow.setForeground(Color.GREEN)

pnlNorth.add(lblYear)

pnlNorth.add(cboMonth)

pnlNorth.add(lblMonth)

pnlNorth.add(lblDate)

pnlNorth.add(lblShowDate)

c.add(pnlNorth,BorderLayout.NORTH)

c.add(jsp)

pnlSOUTH.add(btnShow)

pnlSOUTH.add(btnClose)

c.add(pnlSOUTH,BorderLayout.SOUTH)

btnShow.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e){

int year=Integer.parseInt((String)cboYear.getSelectedItem())

int month=Integer.parseInt((String)cboMonth.getSelectedItem())

try {

DateInfo date=new DateInfo(year,month)

txaShow.setText(""+date)

}

catch (DateException ex) {

ex.printStackTrace()

}

})

btnClose.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e){

System.exit(0)

}

})

}

public void run(){

try {

while(true){

Thread.sleep(1000)

int hour=date.get(Calendar.HOUR)

int minute=date.get(Calendar.MINUTE)

int second=date.get(Calendar.SECOND)

String str=hour+":"+minute+":"+second

lblShowDate.setText(str)

//this.repaint()

}

catch (Exception ex) {

ex.printStackTrace()

}

//DateException.java

public class DateException extends Exception{

public DateException(){

super("日期数据不合法.")

}

System.out.println(cal.get(Calendar.MONDAY)+1+"月"+(cal.get(Calendar.DAY_OF_MONTH)+1)+"日") //输出日期

分类: 电脑/网络 >>程序设计 >>其他编程语言

问题描述:

我们修的汇编语言是JAVA,怎奈自己学术不精.现在此象高手请教.小程序是期末做课程设计用的.题目有日历记事本,学籍管理系统,计算器,画图程序.其他的也可以.现需要两个程序,谢谢大家!

解析:

import java.io.*

import java.util.Calendar

import java.awt.*

import java.awt.event.*

import javax.swing.*

public class NoteBook extends JFrame implements ActionListener,ItemListener,WindowListener,MouseListener{

Container c = this.getContentPane()

JMenuBar jmb = new JMenuBar()

JColorChooser jcc = new JColorChooser()

JMenu jm1 = new JMenu("文件(F)")

JMenu jm2 = new JMenu("编辑(E)")

JMenu jm3 = new JMenu("格式(O)")

JMenu jm4 = new JMenu("查看(V)")

JMenu jm5 = new JMenu("帮助(H)")

JMenuItem jmi1 = new JMenuItem("新建(N)")

JMenuItem jmi2 = new JMenuItem("打开(O)")

JMenuItem jmi3 = new JMenuItem("保存(S)")

JMenuItem jmi4 = new JMenuItem("退出(X)")

JMenuItem jmi5 = new JMenuItem("撤消(U)")

JMenuItem jmi6 = new JMenuItem("复制(C)")

JMenuItem jmi7 = new JMenuItem("粘贴(P)")

JMenuItem jmi8 = new JMenuItem("剪切(T)")

JMenuItem jmi12 = new JMenuItem("日期和时间")

JMenuItem jmi9 = new JMenuItem("字体(E)")

JCheckBoxMenuItem jcbmi = new JCheckBoxMenuItem("自动换行(W)")

JMenuItem jmi10 = new JMenuItem("删除(S)")

JMenuItem jmi11 = new JMenuItem("背景颜色(H)")

JTextArea jta = new JTextArea(15,15)

JScrollPane jsp = new JScrollPane(jta)

PupolMenu pm = new Pupolmenu()

NoteBook(){

this.addWindowListener(this)

c.setLayout(new BorderLayout())

c.add(jmb,BorderLayout.NORTH)

this.setTitle("新建文本文档")

jmb.add(jm1)

jm1.setMnemonic('f')

jm1.addActionListener(this)

jmb.add(jm2)

jm2.setMnemonic('e')

jmb.add(jm3)

jm3.setMnemonic('o')

jmb.add(jm4)

jm4.setMnemonic('v')

jmb.add(jm5)

jm5.setMnemonic('h')

jm1.add(jmi1)

jmi1.addActionListener(this)

jmi1.setAccelerator(KeyStroke.getKeyStroke('N',Event.CTRL_MASK,false))

jm1.addSeparator()

jm1.add(jmi2)

jmi2.setAccelerator(KeyStroke.getKeyStroke('O',Event.CTRL_MASK,false))

jmi2.addActionListener(this)

jm1.addSeparator()

jm1.add(jmi3)

jmi3.setAccelerator(KeyStroke.getKeyStroke('S',Event.CTRL_MASK,false))

jmi3.addActionListener(this)

jm1.addSeparator()

jm1.add(jmi4)

jmi1.setMnemonic('n')

jmi2.setMnemonic('o')

jmi3.setMnemonic('s')

jmi4.setMnemonic('x')

jmi4.addActionListener(this)

jm2.add(jmi5)

jm2.addSeparator()

jm2.add(jmi6)

jm2.addSeparator()

jm2.add(jmi7)

jm2.addSeparator()

jm2.add(jmi8)

jm2.add(jmi12)

jmi12.addActionListener(this)

jm3.add(jcbmi)

jcbmi.addItemListener(this)

jm3.addSeparator()

jm3.add(jmi9)

jm4.add(jmi10)

jmi10.addActionListener(this)

jm5.add(jmi11)

jmi11.addActionListener(this)

c.add(jsp)

this.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE)

this.setSize(500,500)

this.setVisible(true)

}

public void actionPerformed(ActionEvent e){

if(e.getSource()==jmi1){

jta.setText("")

this.setTitle("无标题 - 记事本")

}

if(e.getSource()==jmi2){

File f1

JFileChooser jfc1 = new JFileChooser()

int num1 = jfc1.showOpenDialog(this)

if(num1==JFileChooser.APPROVE_OPTION){

try{

f1 = jfc1.getSelectedFile()

this.setTitle(f1.getName())

FileReader fr = new FileReader(f1)

BufferedReader br = new BufferedReader(fr)

String str

while((str = br.readLine())!=null){

jta.setText(str)

}

fr.close()

br.close()

}catch(FileNotFoundException e1){

e1.printStackTrace()

}catch(IOException e2){

e2.printStackTrace()

}

if(e.getSource()==jmi3){

File f2 = null

JFileChooser jfc2 = new JFileChooser()

int num2 = jfc2.showSaveDialog(this)

if(num2==JFileChooser.APPROVE_OPTION){

f2=jfc2.getSelectedFile()

this.setTitle(f2.getName())

try{

FileWriter fw = new FileWriter(f2)

BufferedWriter bw = new BufferedWriter(fw)

bw.write(jta.getText())

bw.close()

fw.close()

}catch(IOException e2){

e2.printStackTrace()

}

if(e.getSource()==jmi4){

int a = JOptionPane.showConfirmDialog(this,"文件已被改变，是否要保存？","提示",JOptionPane.YES_NO_CANCEL_OPTION)

if(a==1){

this.dispose()

}else if(a==0){

File f2 = null

JFileChooser jfc2 = new JFileChooser()

int num2 = jfc2.showSaveDialog(this)

if(num2==JFileChooser.APPROVE_OPTION){

f2=jfc2.getSelectedFile()

this.setTitle(f2.getName())

try{

FileWriter fw = new FileWriter(f2)

BufferedWriter bw = new BufferedWriter(fw)

bw.write(jta.getText())

bw.close()

fw.close()

}catch(IOException e2){

e2.printStackTrace()

}

this.dispose()

}

if(e.getSource()==jmi12){

Calendar c1 =Calendar.getInstance()

int y = c1.get(Calendar.YEAR)

int m = c1.get(Calendar.MONTH)

int d = c1.get(Calendar.DATE)

int h = c1.get(Calendar.HOUR)

int m1 = c1.get(Calendar.MINUTE)

int m2 = m+1

jta.setText(y+"年"+m2+"月"+d+"日"+h+":"+m1)

}

if(e.getSource()==jmi11){

Color ccc = JColorChooser.showDialog(this,"color",Color.BLACK)

jta.setSelectedTextColor(ccc)

jta.setBackground(ccc)

}

if(e.getSource()==jmi10){

jta.replaceRange("",jta.getSelectionStart(),jta.getSelectionEnd())

}

public void itemStateChanged(ItemEvent e2){

if(e2.getItemSelectable()==jcbmi){

jta.setLineWrap(true)

}else

jta.setLineWrap(false)

}

public static void main(String[] args){

new NoteBook()

}

public void windowOpened(WindowEvent arg0) {

}

public void windowClosing(WindowEvent arg0) {

int a = JOptionPane.showConfirmDialog(this,"文件已被改变，是否要保存？","提示",JOptionPane.YES_NO_CANCEL_OPTION)

if(a==1){

this.dispose()

}else if(a==0){

File f2 = null

JFileChooser jfc2 = new JFileChooser()

int num2 = jfc2.showSaveDialog(this)

if(num2==JFileChooser.APPROVE_OPTION){

f2=jfc2.getSelectedFile()

this.setTitle(f2.getName())

try{

FileWriter fw = new FileWriter(f2)

BufferedWriter bw = new BufferedWriter(fw)

bw.write(jta.getText())

bw.close()

fw.close()

}catch(IOException e2){

e2.printStackTrace()

}

if(a==2){

????/????????????????????????????????????????????????????????????????

}

public void windowClosed(WindowEvent arg0) {

}

public void windowIconified(WindowEvent arg0) {