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日歷java源代碼 日歷java程序

怎樣用java編寫日歷

import java.awt.BorderLayout;

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import java.awt.Color;

import java.awt.Dimension;

import java.awt.GridLayout;

import java.awt.SystemColor;

import java.awt.event.ActionEvent;

import java.awt.event.KeyEvent;

import java.awt.event.MouseEvent;

import java.util.Calendar;

import java.util.GregorianCalendar;

import java.util.Locale;

import java.util.Date;

import java.util.StringTokenizer;

import javax.swing.BorderFactory;

import javax.swing.JButton;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.JToggleButton;

import javax.swing.SwingConstants;

import javax.swing.UIManager;

/**

* pTitle: Swing日歷褲拿/p

* pDescription: 操作日期/p

* @author duxu2004

* @version 1.0.1

*/

class JCalendar extends JPanel{

//動(dòng)態(tài)表示年月日

private int year=0;

private int month=0;

private int day=0;

//主面板

private JPanel Main = new JPanel();

//日面板

private JPanel jPanelDay = new JPanel();

//月面板

private JPanel jPanelMonth = new JPanel();

//年的輸入位置

private JTextField Year = new JTextField();

//月鋒純握的輸入位置

private JTextField Month = new JTextField();

//減少月份

private JButton MonthDown = new JButton();

//增加月份

private JButton MonthUp = new JButton();

private JPanel jPanelButton = new JPanel();

//減少年份

private JButton YearDown = new JButton();

//增加年份

private JButton YearUp = new JButton();

//顯示日期的位置

private JLabel Out = new JLabel();

//中國(guó)時(shí)區(qū),以后可以從這里擴(kuò)展可以設(shè)置時(shí)區(qū)的功能

private Locale l=Locale.CHINESE;

//主日歷

private GregorianCalendar cal=new GregorianCalendar(l);

//星期面板

private JPanel weekPanel=new JPanel();

//天按鈕組

private JToggleButton[] days=new JToggleButton[42];

//天面板

private JPanel Days = new JPanel();

//銀慶標(biāo)示

private JLabel jLabel1 = new JLabel();

private JLabel jLabel2 = new JLabel();

private JLabel jLabel3 = new JLabel();

private JLabel jLabel4 = new JLabel();

private JLabel jLabel5 = new JLabel();

private JLabel jLabel6 = new JLabel();

private JLabel jLabel7 = new JLabel();

//當(dāng)前選擇的天數(shù)按鈕

private JToggleButton cur=null;

//月份天數(shù)數(shù)組,用來(lái)取得當(dāng)月有多少天

// 1 2 3 4 5 6 7 8 9 10 11 12

private int[] mm={31,28,31,30,31,30,31,31,30,31,30,31};

//空日期構(gòu)造函數(shù)

public JCalendar() {

try {

jbInit();

}

catch(Exception e) {

e.printStackTrace();

}

}

//帶日期設(shè)置的構(gòu)造函數(shù)

public JCalendar(int year, int month, int day) {

cal.set(year, month, day);

try {

jbInit();

}

catch (Exception e) {

e.printStackTrace();

}

}

//帶日歷輸入的構(gòu)造函數(shù)

public JCalendar(GregorianCalendar calendar) {

cal=calendar;

try {

jbInit();

}

catch (Exception e) {

e.printStackTrace();

}

}

//帶日期輸入的構(gòu)造函數(shù)

public JCalendar(Date date) {

cal.setTime(date);

try {

jbInit();

}

catch (Exception e) {

e.printStackTrace();

}

}

//初始化組件

private void jbInit() throws Exception {

//初始化年、月、日

iniCalender();

this.setLayout(new BorderLayout());

this.setBorder(BorderFactory.createRaisedBevelBorder());

this.setMaximumSize(new Dimension(200, 200));

this.setMinimumSize(new Dimension(200, 200));

this.setPreferredSize(new Dimension(200, 200));

Main.setLayout(new BorderLayout());

Main.setBackground(SystemColor.info);

Main.setBorder(null);

Out.setBackground(Color.lightGray);

Out.setHorizontalAlignment(SwingConstants.CENTER);

Out.setMaximumSize(new Dimension(100, 19));

Out.setMinimumSize(new Dimension(100, 19));

Out.setPreferredSize(new Dimension(100, 19));

jLabel1.setForeground(Color.red);

jLabel1.setHorizontalAlignment(SwingConstants.CENTER);

jLabel1.setHorizontalTextPosition(SwingConstants.CENTER);

jLabel1.setText("日");

jLabel2.setForeground(Color.blue);

jLabel2.setHorizontalAlignment(SwingConstants.CENTER);

jLabel2.setHorizontalTextPosition(SwingConstants.CENTER);

jLabel2.setText("六");

jLabel3.setHorizontalAlignment(SwingConstants.CENTER);

jLabel3.setHorizontalTextPosition(SwingConstants.CENTER);

jLabel3.setText("五");

jLabel4.setHorizontalAlignment(SwingConstants.CENTER);

jLabel4.setHorizontalTextPosition(SwingConstants.CENTER);

jLabel4.setText("四");

jLabel5.setHorizontalAlignment(SwingConstants.CENTER);

jLabel5.setHorizontalTextPosition(SwingConstants.CENTER);

jLabel5.setText("三");

jLabel6.setBorder(null);

jLabel6.setHorizontalAlignment(SwingConstants.CENTER);

jLabel6.setHorizontalTextPosition(SwingConstants.CENTER);

jLabel6.setText("二");

jLabel7.setBackground(Color.lightGray);

jLabel7.setForeground(Color.black);

jLabel7.setBorder(null);

jLabel7.setHorizontalAlignment(SwingConstants.CENTER);

jLabel7.setHorizontalTextPosition(SwingConstants.CENTER);

jLabel7.setText("一");

weekPanel.setBackground(UIManager.getColor("InternalFrame.activeTitleGradient"));

weekPanel.setBorder(BorderFactory.createEtchedBorder());

weekPanel.setLayout(new GridLayout(1,7));

weekPanel.add(jLabel1, null);

weekPanel.add(jLabel7, null);

weekPanel.add(jLabel6, null);

weekPanel.add(jLabel5, null);

weekPanel.add(jLabel4, null);

weekPanel.add(jLabel3, null);

weekPanel.add(jLabel2, null);

MonthUp.setAlignmentX((float) 0.0);

MonthUp.setActionMap(null);

jPanelMonth.setBackground(SystemColor.info);

jPanelMonth.setLayout(new BorderLayout());

jPanelMonth.setBorder(BorderFactory.createEtchedBorder());

Month.setBorder(null);

Month.setHorizontalAlignment(SwingConstants.CENTER);

Month.addMouseListener(new java.awt.event.MouseAdapter() {

public void mouseClicked(MouseEvent e) {

Month_mouseClicked(e);

}

});

Month.addKeyListener(new java.awt.event.KeyAdapter() {

public void keyPressed(KeyEvent e) {

Month_keyPressed(e);

}

});

MonthDown.setBorder(null);

MonthDown.setText("\u25C4");

MonthDown.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(ActionEvent e) {

MonthDown_actionPerformed(e);

}

});

MonthUp.setBorder(null);

MonthUp.setText("\u25BA");

MonthUp.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(ActionEvent e) {

MonthUp_actionPerformed(e);

}

});

jPanelButton.setLayout(null);

jPanelButton.setBorder(null);

jPanelButton.addComponentListener(new java.awt.event.ComponentAdapter() {

public void componentResized(java.awt.event.ComponentEvent evt) {

jPanelButtonComponentResized(evt);

}

});

Year.setBorder(BorderFactory.createEtchedBorder());

Year.setMaximumSize(new Dimension(80, 25));

Year.setMinimumSize(new Dimension(80, 25));

Year.setPreferredSize(new Dimension(80, 25));

Year.setHorizontalAlignment(SwingConstants.CENTER);

Year.addMouseListener(new java.awt.event.MouseAdapter() {

public void mouseClicked(MouseEvent e) {

Year_mouseClicked(e);

}

});

Year.addKeyListener(new java.awt.event.KeyAdapter() {

public void keyPressed(KeyEvent e) {

Year_keyPressed(e);

}

});

YearDown.setBorder(null);

YearDown.setMaximumSize(new Dimension(16, 16));

YearDown.setMinimumSize(new Dimension(16, 16));

YearDown.setPreferredSize(new Dimension(16, 16));

YearDown.setSize(new Dimension(16, 16));

YearDown.setText("▼");

YearDown.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(ActionEvent e) {

YearDown_actionPerformed(e);

}

});

YearUp.setBorder(null);

YearUp.setMaximumSize(new Dimension(16, 16));

YearUp.setMinimumSize(new Dimension(16, 16));

YearUp.setPreferredSize(new Dimension(16, 16));

YearUp.setSize(new Dimension(16, 16));

YearUp.setText("▲");

YearUp.addActionListener(new java.awt.event.ActionListener() {

public void actionPerformed(ActionEvent e) {

YearUp_actionPerformed(e);

}

});

jPanelDay.setLayout(new BorderLayout());

Days.setLayout(new GridLayout(6,7));

Days.setBackground(SystemColor.info);

for(int i=0;i42;i++){

days[i]=new JToggleButton();

days[i].setBorder(null);

days[i].setBackground(SystemColor.info);

days[i].setHorizontalAlignment(SwingConstants.CENTER);

days[i].setHorizontalTextPosition(SwingConstants.CENTER);

//days[i].setSize(l,l);

days[i].addActionListener(new java.awt.event.ActionListener(){

public void actionPerformed(ActionEvent e) {

day=Integer.parseInt(((JToggleButton)e.getSource()).getText());

showDate();

showDays();

}

});

Days.add(days[i]);

}

this.add(Main, BorderLayout.NORTH);

this.add(jPanelDay, BorderLayout.CENTER);

this.add(jPanelMonth, BorderLayout.SOUTH);

Main.add(Year, BorderLayout.CENTER);

Main.add(Out, BorderLayout.WEST);

Main.add(jPanelButton, BorderLayout.EAST);

jPanelButton.add(YearUp);

jPanelButton.add(YearDown);

jPanelDay.add(weekPanel,BorderLayout.NORTH);

jPanelDay.add(Days, BorderLayout.CENTER);

jPanelMonth.add(Month, BorderLayout.CENTER);

jPanelMonth.add(MonthDown, BorderLayout.WEST);

jPanelMonth.add(MonthUp, BorderLayout.EAST);

showMonth();

showYear();

showDate();

showDays();

}

//自定義重畫年選擇面板

void jPanelButtonComponentResized(java.awt.event.ComponentEvent evt){

YearUp.setLocation(0,0);

YearDown.setLocation(0,YearUp.getHeight());

jPanelButton.setSize(YearUp.getWidth(),YearUp.getHeight()*2);

jPanelButton.setPreferredSize(new Dimension(YearUp.getWidth(),YearUp.getHeight()*2));

jPanelButton.updateUI();

}

//測(cè)試用

public static void main(String[] args){

JFrame f=new JFrame();

f.setContentPane(new JCalendar());

f.pack();

//f.setResizable(false);

f.show();

}

//增加年份

void YearUp_actionPerformed(ActionEvent e) {

year++;

showYear();

showDate();

showDays();

}

//減少年份

void YearDown_actionPerformed(ActionEvent e) {

year--;

showYear();

showDate();

showDays();

}

//減少月份

void MonthDown_actionPerformed(ActionEvent e) {

month--;

if(month0) {

month = 11;

year--;

showYear();

}

showMonth();

showDate();

showDays();

}

//增加月份

void MonthUp_actionPerformed(ActionEvent e) {

month++;

if(month==12) {

month=0;

year++;

showYear();

}

showMonth();

showDate();

showDays();

}

//初始化年月日

void iniCalender(){

year=cal.get(Calendar.YEAR);

month=cal.get(Calendar.MONTH);

day=cal.get(Calendar.DAY_OF_MONTH);

}

//刷新月份

void showMonth(){

Month.setText(Integer.toString(month+1)+"月");

}

//刷新年份

void showYear(){

Year.setText(Integer.toString(year)+"年");

}

//刷新日期

void showDate(){

Out.setText(Integer.toString(year)+"-"+Integer.toString(month+1)+"-"+Integer.toString(day));

}

//重畫天數(shù)選擇面板

void showDays() {

cal.set(year,month,1);

int firstDayOfWeek = cal.get(Calendar.DAY_OF_WEEK);

int n=mm[month];

if(cal.isLeapYear(year)month==1) n++;

int i=0;

for(;ifirstDayOfWeek-1;i++){

days[i].setEnabled(false);

days[i].setSelected(false);

days[i].setText("");

}

int d=1;

for(;d=n;d++){

days[i].setText(Integer.toString(d));

days[i].setEnabled(true);

if(d==day) days[i].setSelected(true);

else days[i].setSelected(false)

i++;

}

for(;i42;i++){

days[i].setEnabled(false);

days[i].setSelected(false);

days[i].setText("");

}

}

//單擊年份面板選擇整個(gè)年份字符串

void SelectionYear(){

Year.setSelectionStart(0);

Year.setSelectionEnd(Year.getText().length());

}

//單擊月份面板選擇整個(gè)月份字符串

void SelectionMonth(){

Month.setSelectionStart(0);

Month.setSelectionEnd(Month.getText().length());

}

//月份面板響應(yīng)鼠標(biāo)單擊事件

void Month_mouseClicked(MouseEvent e) {

//SelectionMonth();

inputMonth();

}

//檢驗(yàn)輸入的月份

void inputMonth(){

String s;

if(Month.getText().endsWith("月"))

{

s=Month.getText().substring(0,Month.getText().length()-1);

}

else s=Month.getText();

month=Integer.parseInt(s)-1;

this.showMe();

}

//月份面板鍵盤敲擊事件響應(yīng)

void Month_keyPressed(KeyEvent e) {

if(e.getKeyChar()==10)

inputMonth();

}

//年份面板響應(yīng)鼠標(biāo)單擊事件

void Year_mouseClicked(MouseEvent e) {

//SelectionYear();

inputYear();

}

//年份鍵盤敲擊事件響應(yīng)

void Year_keyPressed(KeyEvent e) {

//System.out.print(new Integer(e.getKeyChar()).byteValue());

if(e.getKeyChar()==10)

inputYear();

}

//檢驗(yàn)輸入的年份字符串

void inputYear() {

String s;

if(Year.getText().endsWith("年"))

{

s=Year.getText().substring(0,Year.getText().length()-1);

}

else s=Year.getText();

year=Integer.parseInt(s);

this.showMe();

}

//以字符串形式返回日期,yyyy-mm-dd

public String getDate(){return Out.getText();}

//以字符串形式輸入日期,yyyy-mm-dd

public void setDate(String date){

if(date!=null){

StringTokenizer f = new StringTokenizer(date, "-");

if(f.hasMoreTokens())

year = Integer.parseInt(f.nextToken());

if(f.hasMoreTokens())

month = Integer.parseInt(f.nextToken());

if(f.hasMoreTokens())

day = Integer.parseInt(f.nextToken());

cal.set(year,month,day);

}

this.showMe();

}

//以日期對(duì)象形式輸入日期

public void setTime(Date date){

cal.setTime(date);

this.iniCalender();

this.showMe();

}

//返回日期對(duì)象

public Date getTime(){return cal.getTime();}

//返回當(dāng)前的日

public int getDay() {

return day;

}

//設(shè)置當(dāng)前的日

public void setDay(int day) {

this.day = day;

cal.set(this.year,this.month,this.day);

this.showMe();

}

//設(shè)置當(dāng)前的年

public void setYear(int year) {

this.year = year;

cal.set(this.year,this.month,this.day);

this.showMe();

}

//返回當(dāng)前的年

public int getYear() {

return year;

}

//返回當(dāng)前的月

public int getMonth() {

return month;

}

//設(shè)置當(dāng)前的月

public void setMonth(int month) {

this.month = month;

cal.set(this.year,this.month,this.day);

this.showMe();

}

//刷新

public void showMe(){

this.showDays();

this.showMonth();

this.showYear();

this.showDate();

}

}

public class TestJCalendar {

public static void main(String[] args) {

JFrame f=new JFrame();

f.setContentPane(new JCalendar());

f.pack();

//f.setResizable(false);

f.show();

}

}

java 源代碼 基礎(chǔ)點(diǎn)的 謝謝

package com.regex;

import java.io.*;

import java點(diǎn)虐 .URLDecoder;

import java.util.regex.*;

public class Regex {

private int REMARK=0;

private int LOGIC=0;

private int PHYSIC=0;

boolean start=false;

/**

* @param args

*/

public static void main(String[] args) { //測(cè)試方法

//磨御 TODO Auto-generated method stub

Regex re=new Regex();

re.regCount("Regex.java");

System.out.println("remark Line: "+re.REMARK);

System.out.println("logic Line: "+re.LOGIC);

System.out.println("physic Line: "+re.PHYSIC);

}/**

* @author BlueDance

* @param s

* @deprecated count

*/

public void regCount(String s){

String url=null;

try {

url=URLDecoder.decode(this.getClass().getResource(s).getPath(),"UTF-8");

} catch (Exception e) {

e.printStackTrace();

// TODO: handle exception

}

try {

BufferedReader br=new BufferedReader(new FileReader(new File(url)));

String s1=null;

while((s1=br.readLine())!=null){

PHYSIC++;

if(CheckChar(s1)==1){

REMARK++;

System.out.println("純注釋行:"+s1);

}

if(CheckChar(s1)==2){

LOGIC++;

REMARK++;

System.out.println("非純注釋行:"+s1);

}

if(CheckChar(s1)==3)

LOGIC++;

}

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}catch(IOException e){

e.printStackTrace();

}

}

/**

*

* @param s

* @return int

* @version check s

*/

public int CheckChar(String s){

String s1=null;

if(s!=null)

s1=s.trim();

//System.out.println(regCheck(s1,re));

if(regCheck(s1,"(//.*)")) //判斷//開頭瞎彎巖的為純注釋行

return 1;

if(regCheck(s1,"(.*[;{})] *//.*)")) //判斷不是//開頭的非純注釋行

return 2;

if(regCheck(s1,"(//*.*)")){ //判斷/*開頭的純注釋行

start=true;

return 1;

}

if(regCheck(s1,"(.*[;{})]//*.*)")){ //判鬧嘩斷不是/*開頭的非純注釋行

start=true;

return 2;

}

if(regCheck(s1,"(.* */*/)")){ //判斷*/結(jié)尾的純注釋行

start=false;

return 1;

}

if(regCheck(s1,"(.* */*/.*)")!strCheck(s1)){ //判斷不是*/結(jié)尾的非純注釋行

if(strCheck(s1)){

start=false;

return 2;

}

}

if(start==true) //狀態(tài)代碼,start即/*開始時(shí)start=true*/結(jié)束時(shí)為false

return 1;

return 3;//ssssllll

}//aeee

/**

*

* @param s

* @param re

* @return boolean

*/

public boolean regCheck(String s,String re){ //正則表達(dá)試判斷方法

return Pattern.matches(re,s);

}

public boolean strCheck(String s){ //中間有*/的字符判斷 此方法最關(guān)鍵

if(s.indexOf("*/")0){

int count=0;

String y[]=s.split("/*/");

boolean boo[]=new boolean[y.length];

for (int i = 0; i y.length-1; i++) {

char c[]=y[i].toCharArray();

for (int j = 0; j c.length; j++) {

if(c[j]=='\\'c[j+1]=='"'){

count++;

}

}

if(count%2==0){

if(countNumber("\"",y[i])%2!=0){

boo[i]=true;

}else{

boo[i]=false;

}

}else{

if(countNumber("\"",y[i])%2==0){

boo[i]=true;

}else{

boo[i]=false;

}

}

}

for(int i=0;iboo.length;i++){

if(!boo[i])

return false;

}

return true;

}

return false;

}

public int countNumber(String s,String y){ //此方法為我前面寫的字符串出現(xiàn)次數(shù)統(tǒng)計(jì)方法,不懂的可以看我前面的文章

int count=0;

String [] k=y.split(s);

if(y.lastIndexOf(s)==(y.length()-s.length()))

count=k.length;

else

count=k.length-1;

if(count==0)

System.out.println ("字符串\""+s+"\"在字符串\""+y+"\"沒有出現(xiàn)過(guò)");

else

return count;

return -1;

}

}

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class GoodLucky extends JFrame implements ActionListener{

JTextField tf = new JTextField(); //實(shí)例化一個(gè)文本域

//設(shè)置兩個(gè)按鈕

JButton b1 = new JButton("開始");

JButton b2 = new JButton("停止");

boolean isGo = false;

//構(gòu)造函數(shù)

public GoodLucky(){

b1.setActionCommand("start");//在開始按鈕上設(shè)置一個(gè)動(dòng)作監(jiān)聽 start

JPanel p = new JPanel(); //實(shí)例化一個(gè)可視化容器

//將兩個(gè)按鈕添加到可視化容器上面,用add方法

p.add(b1);

p.add(b2);

//在兩個(gè)按鈕上增加監(jiān)聽的屬性,自動(dòng)調(diào)用下面的監(jiān)聽處理方法actionPerformed(ActionEvent e),如果要代碼有更好的可讀性,可用內(nèi)部類實(shí)現(xiàn)動(dòng)作

//監(jiān)聽處理。

b1.addActionListener(this);

b2.addActionListener(this);

//將停止按鈕設(shè)置為不可編輯(即不可按的狀態(tài))

b2.setEnabled(false);

this.getContentPane().add(tf,"North"); //將上面的文本域放在面板的北方,也就是上面(上北下南左西右東)

this.getContentPane().add(p,"South"); //將可視化容器pannel放在南邊,也就是下面

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //設(shè)置用戶在此窗體上發(fā)起 "close" 時(shí)默認(rèn)執(zhí)行的操作,參數(shù)EXIT_ON_CLOSE是使用 System exit 方法退出應(yīng)用程序。僅在應(yīng)用程序中使用

this.setSize(300,200); //設(shè)置面板大小,寬和高

this.setLocation(300,300); //設(shè)置面板剛開始的出現(xiàn)的位置

Cursor cu = new Cursor(Cursor.HAND_CURSOR); //用指定名稱創(chuàng)建一個(gè)新的定制光標(biāo)對(duì)象,參數(shù)表示手狀光標(biāo)類型

this.setCursor(cu); //為指定的光標(biāo)設(shè)置光標(biāo)圖像,即設(shè)置光標(biāo)圖像為上面所創(chuàng)建的手狀光標(biāo)類型

this.setVisible(true); //將面板可視化設(shè)置為true,即可視,如果為false,即程序運(yùn)行時(shí)面板會(huì)隱藏

tf.setText("welcome you! "); //設(shè)置面板的標(biāo)題為歡迎

this.go(); //調(diào)用go方法

}

public void go(){

while(true){ //這里是死循環(huán),也就是說(shuō)用戶不點(diǎn)擊停止按鈕的話他一直循環(huán)出現(xiàn)隨機(jī)數(shù),直到用戶點(diǎn)擊停止按鈕循環(huán)才能推出,具體流程在actionPerformed方法中控制。

if(isGo == true){ //上面所定義的isGo的初始值為false,所以程序第一次到此會(huì)跳過(guò)

String s = ""; //設(shè)置空字符串

for(int j = 1; j = 7;j++){ //產(chǎn)生7個(gè)隨機(jī)數(shù)

int i = (int)(Math.random() * 36) + 1;//每個(gè)隨機(jī)數(shù)產(chǎn)生方式,這里定義靈活,可以自由定義隨機(jī)數(shù)產(chǎn)生的方式

if(i 10){

s = s + " 0" + i; //如果產(chǎn)生的隨機(jī)數(shù)小于10的話做處理:這里就牽扯到一個(gè)重要的概念,簡(jiǎn)單敘述一下:

/*

當(dāng)一個(gè)字符串與一個(gè)整型數(shù)項(xiàng)相加的意思是連接,上面的s = s + " 0" + i的意思是字符串s鏈接0再連接整型i值,而不會(huì)導(dǎo)致0和整型的i相加,

產(chǎn)生的效果為s0i,由于s為空字符串(上面定義過(guò)的),所以當(dāng)i小于零時(shí),在個(gè)位數(shù)前面加上0,比如產(chǎn)生的隨機(jī)數(shù)i為7的話,顯示效果為 07.

*/

}else{

s = s + " " + i; //如果產(chǎn)生的隨機(jī)數(shù)比10打的話,那么加上空格顯示,即數(shù)字和數(shù)字之間有個(gè)空格

}

//以上循環(huán)循環(huán)七次,以保證能出現(xiàn)7個(gè)隨機(jī)數(shù)

}

tf.setText(s); //將產(chǎn)生的隨機(jī)數(shù)全部顯示在文本域上,用文本域?qū)ο髏f調(diào)用它的設(shè)置文本的方法setText(String)實(shí)現(xiàn)。

}

//以下為線程延遲

try{

Thread.sleep(10); //線程類同步方法sleep,睡眠方法,括號(hào)里的單位為ms。

}catch(java.lang.InterruptedException e){

e.printStackTrace(); //異常捕獲,不用多說(shuō)。

}

}

}

//以下是上面設(shè)置的事件監(jiān)聽的具體處理辦法,即監(jiān)聽時(shí)間處理方法,自動(dòng)調(diào)用

public void actionPerformed(ActionEvent e){ //傳入一個(gè)動(dòng)作事件的參數(shù)e

String s = e.getActionCommand(); //設(shè)置字符串s來(lái)存儲(chǔ)獲得動(dòng)作監(jiān)聽,上面的start

/*

以下這個(gè)條件語(yǔ)句塊的作用為:用戶點(diǎn)擊開始后(捕獲start,用方法getActionCommand()),將命令觸發(fā)設(shè)置為true,從而執(zhí)行上面的go方法中的循環(huán)體(因?yàn)檠h(huán)體中要求isGo參數(shù)為true,而初始為false)。

執(zhí)行循環(huán)快產(chǎn)生隨機(jī)數(shù),并將開始按鈕不可編輯化,而用戶只可以使用停止按鈕去停止。如果用戶按下停止時(shí),也就是沒有傳入?yún)?shù)“start”的時(shí)候,

執(zhí)行else語(yǔ)句塊中的語(yǔ)句,isGo設(shè)置為false,將不執(zhí)行上面go中的循環(huán)語(yǔ)句塊,從而停止產(chǎn)生隨機(jī)數(shù),并顯示,并且把開始按鈕設(shè)置為可用,而把

停止按鈕設(shè)置為不可用,等待用戶按下開始再去開始新一輪循環(huán)產(chǎn)生隨機(jī)數(shù)。

*/

if(s.equals("start")){ //如果捕獲到start,也就是用戶觸發(fā)了動(dòng)作監(jiān)聽器,那么下面處理

isGo = true; //設(shè)置isGo為true

b1.setEnabled(false); //將開始按鈕設(shè)置為不可用

b2.setEnabled(true); //將停止按鈕設(shè)置為可用

}else{

isGo = false; //將isGo設(shè)置為false,isGo為循環(huán)標(biāo)志位

b2.setEnabled(false); //設(shè)置停止按鈕為不可用(注意看是b2,b2是停止按鈕)

b1.setEnabled(true); //設(shè)置開始按鈕為可用

}

}

public static void main(String[] args){

new GoodLucky(); //產(chǎn)生類的實(shí)例,執(zhí)行方法

}

}

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