import javax.swing.*; import java.awt.*;
import java.awt.event.*; import java.text.*; import java.util.*;
//创建窗口和年历
class MainFrame extends JFrame{
JPanel panel=new JPanel(new BorderLayout());//BorderLayout为边界布局 JPanel panel1=new JPanel();
JPanel panel2=new JPanel(new GridLayout(7,7));//GridLayout为网格布局 JPanel panel3=new JPanel(); JLabel []label=new JLabel[49]; JLabel y_label=new JLabel(\年份\JLabel m_label=new JLabel(\月份\JComboBox com1=new JComboBox(); JComboBox com2=new JComboBox(); JButton button=new JButton(\查看\int re_year,re_month;
int x_size,y_size; String year_num;
Calendar now=Calendar.getInstance(); //实例化Calendar MainFrame(){
super(\万年历-Jackbase\
setSize(300,350);
x_size=(int)(Toolkit.getDefaultToolkit().getScreenSize().getWidth()); y_size=(int)(Toolkit.getDefaultToolkit().getScreenSize().getHeight()); setLocation((x_size-300)/2,(y_size-350)/2);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); panel1.add(y_label); panel1.add(com1); panel1.add(m_label); panel1.add(com2); panel1.add(button); for(int i=0;i<49;i++){
label=new JLabel(\将显示的字符设置为居中 panel2.add(label); }
panel3.add(new Clock(this));
panel.add(panel1,BorderLayout.NORTH); panel.add(panel2,BorderLayout.CENTER);
panel.add(panel3,BorderLayout.SOUTH); panel.setBackground(Color.white); panel1.setBackground(Color.white); panel2.setBackground(Color.white); panel3.setBackground(Color.white); Init();
button.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ int c_year,c_month,c_week;
c_year=Integer.parseInt(com1.getSelectedItem().toString()); //得到当前所选年份c_month=Integer.parseInt(com2.getSelectedItem().toString())-1; //得到当前月份,并减c_week=use(c_year,c_month); //调用函数use,得到星期几 Resetday(c_week,c_year,c_month); //调用函数Resetday }});
setContentPane(panel); setVisible(true); setResizable(false); }
public void Init(){
int year,month_num,first_day_num;
1,计算机中的月为0-11
String log[]={\日\一\二\三\四\五\六\for(int i=0;i<7;i++){ label.setText(log); }
for(int i=0;i<49;i=i+7){
label.setForeground(Color.red); //将星期日的日期设置为红色 }
for(int i=6;i<49;i=i+7){
label.setForeground(Color.red);//将星期六的日期也设置为红色 }
for(int i=1;i<10000;i++){ com1.addItem(\}
for(int i=1;i<13;i++){ com2.addItem(\}
month_num=(int)(now.get(Calendar.MONTH)); //得到当前时间的月份 year=(int)(now.get(Calendar.YEAR)); //得到当前时间的年份 com1.setSelectedIndex(year-1); //设置下拉列表显示为当前年
com2.setSelectedIndex(month_num); //设置下拉列表显示为当前月 first_day_num=use(year,month_num);
Resetday(first_day_num,year,month_num); }
public int use(int reyear,int remonth){ int week_num;
now.set(reyear,remonth,1); //设置时间为所要查询的年月的第一天 week_num= (int)(now.get(Calendar.DAY_OF_WEEK));//得到第一天的星期 return week_num; }
public void Resetday(int week_log,int year_log,int month_log){ int month_score_log; //判断是否是闰年的标记 int month_day_score; //存储月份的天数 int count;
month_score_log=0; month_day_score=0; count=1;
if(year_log%4==0&&year_log0!=0||year_log@0==0){//判断是否为闰年 month_score_log=1;