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按照兆穗高你的要求编写的Java swing 带界面的万年历代码如下
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//日历
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Calendar;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class CCI extends JFrame implements ActionListener{
JButton jb1=new JButton("");
JButton jb2=new JButton("");
JButton jb3=new JButton("");
JButton jb4=new JButton("");
JPanel jp1=new JPanel();
JPanel jp2=new JPanel();
JPanel jp3=new JPanel();
JPanel jp4=new JPanel();
JLabel jl1=new JLabel();
JLabel jl2=new JLabel();
JLabel[]jl=new JLabel[49];
String []week={"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
Calendar c=Calendar.getInstance();
int year,month,day;
int nowyear,nowmonth,nowday;
CCI(){
super("简单日历");
nowyear=c.get(Calendar.YEAR);
nowmonth=c.get(Calendar.MONTH)+1;
nowday=c.get(Calendar.DAY_OF_MONTH);
year=nowyear;
month=nowmonth;
day=nowday;
String s=year+"年"+month+"月";
jl1.setForeground(Color.RED);
jl1.setFont(new Font(null,Font.BOLD,20));
jl1.setText(s);
jb1.addActionListener(this);
jb2.addActionListener(this);
jb3.addActionListener(this);
jb4.addActionListener(this);
族野 jp1.add(jb1);jp1.add(jb2);jp1.add(jl1);jp1.add(jb3);jp1.add(jb4);
jp2.setLayout(null);
createMonthPanel();
jp2.add(jp3);
jl2.setFont(new Font(null,Font.BOLD,20));
jl2.setText("今天是"+nowyear+"年"+nowmonth+"月"+nowday+"日");
jp4.add(jl2);
add(jp1,BorderLayout.NORTH);
add(jp2,BorderLayout.CENTER);
族尺 add(jp4,BorderLayout.SOUTH);
setSize(500,500);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLocationRelativeTo(null);
setVisible(true);
}
@Override
public void actionPerformed(ActionEvent ae) {
if(ae.getSource()==jb1){
year=year-1;
String s=year+"年"+month+"月";
jl1.setText(s);
jp3.removeAll();
createMonthPanel();
jp3.validate();
}
if(ae.getSource()==jb2){
if(month==1){
year=year-1;
month=12;
}else{
month=month-1;
}
String s=year+"年"+month+"月";
jl1.setText(s);
jp3.removeAll();
createMonthPanel();
jp3.validate();
}
if(ae.getSource()==jb3){
if(month==12){
year=year+1;
month=1;
}else{
month=month+1;
}
String s=year+"年"+month+"月";
jl1.setText(s);
jp3.removeAll();
createMonthPanel();
jp3.validate();
}
if(ae.getSource()==jb4){
year=year+1;
String s=year+"年"+month+"月";
jl1.setText(s);
jp3.removeAll();
createMonthPanel();
jp3.validate();
}
}
public static void main(String[] args) {
new CCI();
}
public int getMonthDays(int year, int month) {
switch (month) {
case 1:
case 3:
case 5:
case 7:
case 8:
case 10:
case 12:
return 31;
case 2:
if ((year%4==0year%100!=0)||year%400==0) {
return 29;
} else {
return 28;
}
default:
return 30;
}
}
public void createMonthPanel(){
c.set(year, month-1, getMonthDays(year,month));
int weekOfMonth=c.get(Calendar.WEEK_OF_MONTH);
if(weekOfMonth==6){
jp3.setLayout(new GridLayout(7,7));
jp3.setBounds(50, 20, 420, 350);
}else{
jp3.setLayout(new GridLayout(6,7));
jp3.setBounds(50, 20, 420, 300);
}
jp3.setBorder(BorderFactory.createEtchedBorder());
for(int i=0;i7;i++){
jl[i]=new JLabel(week[i],JLabel.CENTER);
jl[i].setFont(new Font(null,Font.BOLD,20));
jl[i].setBorder(BorderFactory.createEtchedBorder());
jp3.add(jl[i]);
}
c.set(year, month-1, 1);
int emptyFirst=c.get(Calendar.DAY_OF_WEEK)-1;
int daysOfMonth=getMonthDays(year,month);
for(int i=6+emptyFirst;i=7;i--){
int intyear=year;
int intmonth=month;
if(intmonth==1){
intyear=intyear-1;
intmonth=12;
}else{
intmonth=intmonth-1;
}
int intdays=getMonthDays(intyear,intmonth);
jl[i]=new JLabel((intdays+7-i)+"",JLabel.CENTER);
jl[i].setFont(new Font(null,Font.BOLD,20));
jl[i].setForeground(Color.GRAY);
jl[i].setBorder(BorderFactory.createEtchedBorder());
jp3.add(jl[i]);
}
for(int i=7+emptyFirst;idaysOfMonth+7+emptyFirst;i++){
jl[i]=new JLabel((i-7-emptyFirst+1)+"",JLabel.CENTER);
jl[i].setFont(new Font(null,Font.BOLD,20));
if((i+1)%7==0 || (i+1)%7==1){
jl[i].setForeground(Color.RED);
}else if((i-7-emptyFirst+1)==nowdaymonth==nowmonthyear==nowyear)
jl[i].setForeground(Color.BLUE);
else
jl[i].setForeground(Color.BLACK);
jl[i].setBorder(BorderFactory.createEtchedBorder());
jp3.add(jl[i]);
}
if(weekOfMonth==6)
for(int i=48;i=daysOfMonth+emptyFirst+7;i--){
jl[i]=new JLabel((49-i)+"",JLabel.CENTER);
jl[i].setFont(new Font(null,Font.BOLD,20));
jl[i].setForeground(Color.GRAY);
jl[i].setBorder(BorderFactory.createEtchedBorder());
jp3.add(jl[i]);
}
else
for(int i=41;i=daysOfMonth+emptyFirst+7;i--){
jl[i]=new JLabel((42-i)+"",JLabel.CENTER);
jl[i].setFont(new Font(null,Font.BOLD,20));
jl[i].setForeground(Color.GRAY);
jl[i].setBorder(BorderFactory.createEtchedBorder());
jp3.add(jl[i]);
}
}
}
你要先学会截图哦,你发的看不清楚,重新写了一个你参考参考!
import java.awt.GridLayout;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JTextField;
public class Day30A extends JFrame {
private static final long serialVersionUID = 1L;
private JLabel labelName,labelId,labelPass,labelMoney,labelSelect,labelCar;
private JComboBoxString jcb;
private JPanel jp1,jp2,jp3,jp4,jp5,jp6,jp7;
private ButtonGroup btg;
private JRadioButton jr1,jr2;
Day30A(){
this.setTitle("注册账让罩户");
this.setLayout(new GridLayout(7,1));
this.setSize(300,280);
this.setLocationRelativeTo(null);
this.setDefaultCloseOperation(EXIT_ON_CLOSE);
init();
this.setVisible(true);
}
private void init() {
String str="卡片类型1,卡片类型2,卡片类型3,卡片类型4,卡片类型5";
jcb=new JComboBox(str.split(","));
labelId=new JLabel("账号: ");
labelName=new JLabel("姓名: ");
labelPass=new JLabel("帆滑稿密码: ");
labelMoney=new JLabel("开户金额:");
labelSelect=new JLabel("存款类型:");
labelCar=new JLabel("卡片类型:");
addFun1();
addFun2();
}
private void addFun2() {
this.add(jp1);
this.add(jp2);
this.add(jp3);
this.add(jp4);
this.add(jp5);
this.add(jp6);
this.add(jp7);
}
private void addFun1() {
jp1=new JPanel();
jp1.add(labelId);
jp1.add(new JTextField(15));
jp2=new JPanel();
jp2.add(labelName);
jp2.add(new JTextField(15));
jp3=new JPanel();
jp3.add(labelPass);
jp3.add(new JTextField(15));
jp4=new JPanel();
jp4.add(labelMoney);
jp4.add(new JTextField(13));
jp5=new JPanel();
jp5.add(labelSelect);
btg=new ButtonGroup();
jr1=new JRadioButton("定期");
jr2=new JRadioButton("活态孝期",true);
btg.add(jr1);
btg.add(jr2);
jp5.add(jr1);
jp5.add(jr2);
jp6=new JPanel();
jp6.add(labelCar);
jp6.add(jcb);
jp7=new JPanel();
jp7.add(new JButton("确定"));
jp7.add(new JButton("取消"));
}
public static void main(String[] args) {
new Day30A();
}
}
package image;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
public class PanelRunner extends JFrame
{
private static final long serialVersionUID = 1L;
private static void initPanels ( JFrame pr )
{
for ( int i = 0; i 5; i++ )
{
JPanel panel = new JPanel ();
switch (i)
{
case 0:
panel.setBackground (Color.RED);
panel.setPreferredSize (new Dimension (200, 100));
pr.add (panel, BorderLayout.NORTH);
break;
case 1:
panel.setBackground (Color.YELLOW);
panel.setPreferredSize (new Dimension (200, 300));
pr.add (panel, BorderLayout.EAST);
break;
case 2:
panel.setBackground (Color.ORANGE);
panel.setPreferredSize (new Dimension (200, 100));
pr.add (panel, BorderLayout.SOUTH);
break;
case 3:
panel.setBackground (Color.WHITE);
panel.setPreferredSize (new Dimension (200, 300));
pr.add (panel, BorderLayout.WEST);
break;
case 4:
pr.add (panel, BorderLayout.CENTER);
panel.setPreferredSize (new Dimension (200, 100));
panel.setLayout (new GridLayout (1, 2));
for ( 源改猜int j = 0; j 2; j++ )
{
JPanel subPanel = new JPanel ();
subPanel.setPreferredSize (new Dimension (200, 100));
Color color = j == 0 ? Color.BLUE : Color.GREEN;
subPanel.setBackground (color);
panel.add (subPanel);
}
break;
default:
break;
}
}
}
private static void initFrame ( JFrame pr )
{
pr.setLayout (new BorderLayout ());
pr.setSize (600, 300);
pr.setLocationRelativeTo (null);
pr.setResizable (false);
pr.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);
}
public static void main ( String[] args )
{
SwingUtilities.invokeLater (new Runnable ()
{
@Override
public void 雹型run ()
{
PanelRunner pr = 歼绝new PanelRunner ();
initFrame (pr);
initPanels (pr);
pr.setVisible (true);
}
});
}
}
一: 首先弄清题目的意思
A.需要的主要组件列表:
1. 创建一个窗口,窗口标题叫Information
2. 3个标签, 用于显示文字 Name Number Class
3. 3个文本框, 用于填写信息
4. 1个按钮, 文字是确认
5. 衡拦1个文本域
B.业务逻辑
1. 当点击按钮确认的时候, 把 文本框的信息显示到文本域
C.设计的主要技术
JLabel , JButton, JTextField ...等, 都是swing的组件 , 所以应该使用swing进行创建
二: 确定使用的布局
swing虽然重写了大部分的组件, 但是布局, 依旧沿袭awt技术
分析图片上的布局:
至少有2种方法可以实现,
方法一: 绝对布局 , 优点: 配合可视化GUI拖曳, 可以完美的实现图上的组件的位置
但是缺点也是致命的, 不同的操作系统平台下, 可能会出现位置的移动,
只适合开发平台, 移植效果差 . 所以不推荐使用
方法二: 灵活的表格布局, 配合流式布局 , 所有操作系统下,显示效果都比较统一.
三: 效果图
四: 参考代码
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class FrameDemo extends 答纳JFrame {
//申明需要的组件
private final JTextField jtf1,jtf2,jtf3;
private final JTextArea jta;
public FrameDemo() {
setTitle("Information");//设置窗口标题
setSize(320, 360);//设置窗口大小
setLocationRelativeTo(null);//设置窗口居中
setDefaultCloseOperation(EXIT_ON_CLOSE);//设置关闭时退出虚拟机
getContentPane().setLayout(new FlowLayout());//设置窗口布局为流式布局
JPanel jp = new JPanel(new GridLayout(4, 2));//设置jp面板为表格布局4行2列
//第一行
JPanel jp01 = new JPanel();
JLabel jl1 = new JLabel("Name:");
jp01.add(jl1);
JPanel jp1 = new JPanel();
jtf1 = new JTextField(8);
jp1.add(jtf1);
//第二行
JPanel jp02 = new JPanel();
JLabel jl2 = new JLabel("Number:");
jp02.add(jl2);
JPanel jp2 = new JPanel();
jtf2 = new JTextField(8);
jp2.add(jtf2);
//第三行
JPanel jp03 = new JPanel();
JLabel jl3 = new JLabel("Class:");
jp03.add(jl3);
JPanel jp3 = new JPanel();
jtf3 = new JTextField(8);
jp3.add(jtf3);
//第四行
JPanel jp04 = new JPanel();
JLabel jl4 = new JLabel("咐举胡");
jp04.add(jl4);
JPanel jp4 = new JPanel();
JButton jb = new JButton("确认");
jp4.add(jb);
jp.add(jp01);
jp.add(jp1);
jp.add(jp02);
jp.add(jp2);
jp.add(jp03);
jp.add(jp3);
jp.add(jp04);
jp.add(jp4);
getContentPane().add(jp);
jta = new JTextArea();
jta.setColumns(20);//设置文本域的大小
jta.setEditable(false);//设置文本域不可编辑
jta.setBackground(jp.getBackground());//设置文本域的背景色和面板一样
getContentPane().add(jta);
jb.addActionListener(new ActionListener() {//给按钮添加事件
public void actionPerformed(ActionEvent e) {//点击按钮,显示信息到文本域
String name = jtf1.getText();
String number = jtf2.getText();
String clazz = jtf3.getText();
jta.setText("You name is "+name+" number is "+number+" class is "+clazz);
}
});
}
public static void main(String[] args) {
new FrameDemo().setVisible(true);//创建窗口,被设置为可见
}
}
五: 拓展
虽然图形界面的实现方法是多样的, 我们一定要根据具体情况, 选择一个比较优化的 合理的, 符合业务逻辑的实现方法