?? alarmclock.java
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package java1;import java.util.*;import java.awt.*;import java.applet.*;import java.text.*;public class AlarmClock extends Applet implements Runnable{ Thread timer=null; //創建線程timer Image clockp,gif1,gif2,clock6,clock7; //clockp:鬧鐘的外殼，鬧鈴和報時鳥 int s,m,h,hh; AudioClip ipAu,danger,chirp; boolean canPaint=true; boolean flag=false; boolean strike=true; int counter=0; int lasts; Image offscreen_buf=null; int i,j,t=0; int timeout=166; int lastxs=0,lastys=0,lastxm=0,lastym=0,lastxh=0,lastyh=0; Date dummy=new Date(); //生成Data對象 GregorianCalendar cal=new GregorianCalendar(); SimpleDateFormat df=new SimpleDateFormat("yyyy MM dd HH:mm:ss");//設置時間格式 String lastdate=df.format(dummy); Font F=new Font("TimesRoman",Font.PLAIN,14);//設置字體格式 Date dat=null; Date timeNow=null; Color fgcol=Color.blue; Color fgcol2=Color.darkGray; Panel setpanel; Color backcolor=Color.pink; TextField showhour,showmin,showsec,sethour,setmin,setsec;//顯示當前時間文本框和定時文本框 Button onbutton; Button offbutton; Label hlabel1,mlabel1,slabel1,hlabel2,mlabel2,slabel2;//顯示時間單位時所用的標簽（時、分、秒） Label info1=new Label("歡迎使用定時提醒鬧鐘"),info2=new Label(""); Label note1=new Label("當前時間:"),note2=new Label("鬧鐘設置:"); boolean setalerm=false,clickflag=false;//判斷是否響鈴和振動 int fixh=0,fixm=0,fixs=0;//記錄鬧鐘的定時 public void init()//初始化方法 { Integer gif_number; int fieldx=50,fieldy1=120,fieldy2=220,fieldw=30,fieldh=20,space=50;//顯示時間和定時文本框的定位參數 setLayout(null); //將布局管理器初始化為null setpanel=new Panel(); setpanel.setLayout(null); setpanel.add(note1); setpanel.add(note2); note1.setBounds(30,100,60,20); note1.setBackground(backcolor); note1.setForeground(Color.black); note2.setBounds(30,180,60,20); note2.setBackground(backcolor); note2.setForeground(Color.black); hlabel1=new Label(); mlabel1=new Label(); slabel1=new Label(); hlabel2=new Label(); mlabel2=new Label(); slabel2=new Label(); //顯示當前時間用的文本框 showhour=new TextField("00",5); showmin=new TextField("00",5); showsec=new TextField("00",5); //定時用的文本框（時、分、秒） sethour=new TextField("00",5); setmin=new TextField("00",5); setsec=new TextField("00",5); //當前時間用的文本框的位置、大小 setpanel.add(showhour); showhour.setBounds(fieldx,fieldy1,fieldw,fieldh); showhour.setBackground(Color.white); //在文本框后加入單位“時” setpanel.add(hlabel1); hlabel1.setText("時"); hlabel1.setBackground(backcolor); hlabel1.setForeground(Color.black); hlabel1.setBounds(fieldx+fieldw+3,fieldy1,14,20); fieldx=fieldx+space; //當前時間的分鐘文本框的位置、大小 setpanel.add(showmin); showmin.setBounds(fieldx,fieldy1,fieldw,fieldh); showmin.setBackground(Color.white); //在文本框后加入單位“分” setpanel.add(mlabel1); mlabel1.setText("分"); mlabel1.setBackground(backcolor); mlabel1.setForeground(Color.black); mlabel1.setBounds(fieldx+fieldw+3,fieldy1,14,20); fieldx=fieldx+space; //當前時間的秒文本框的位置、大小 setpanel.add(showsec); showsec.setBounds(fieldx,fieldy1,fieldw,fieldh); showsec.setBackground(Color.white); //在文本框后加入單位“秒” setpanel.add(slabel1); slabel1.setText("秒"); slabel1.setBackground(backcolor); slabel1.setForeground(Color.black); slabel1.setBounds(fieldx+fieldw+3,fieldy1,14,20); fieldx=50; //定時的小時文本框的位置、大小 setpanel.add(sethour); sethour.setBounds(fieldx,fieldy2,fieldw,fieldh); sethour.setBackground(Color.white); //在文本框后加入單位“時” setpanel.add(hlabel2); hlabel2.setText("時"); hlabel2.setBackground(backcolor); hlabel2.setForeground(Color.black); hlabel2.setBounds(fieldx+fieldw+3,fieldy2,14,20); fieldx=fieldx+space; //定時的分鐘文本框的位置、大小 setpanel.add(setmin); setmin.setBounds(fieldx,fieldy2,fieldw,fieldh); setmin.setBackground(Color.white); //在文本框后加入單位“分” setpanel.add(mlabel2); mlabel2.setText("分"); mlabel2.setBackground(backcolor); mlabel2.setForeground(Color.black); mlabel2.setBounds(fieldx+fieldw+3,fieldy2,14,20); fieldx=fieldx+space; //定時的秒文本框的位置、大小 setpanel.add(setsec); setsec.setBounds(fieldx,fieldy2,fieldw,fieldh); setsec.setBackground(Color.white); //在文本框后加入單位“秒” setpanel.add(slabel2); slabel2.setText("秒"); slabel2.setBackground(backcolor); slabel2.setForeground(Color.black); slabel2.setBounds(fieldx+fieldw+3,fieldy2,14,20); //設置鬧鐘控制按鈕（on,off) onbutton=new Button("開"); offbutton=new Button("關"); setpanel.add(onbutton); setpanel.add(offbutton); onbutton.setBounds(90,180,40,20); offbutton.setBounds(140,180,40,20); //加入一些附加的信息標簽（題頭，題尾） setpanel.add(info1); info1.setBackground(backcolor); info1.setForeground(Color.blue); info1.setBounds(50,50,150,20); setpanel.add(info2); info2.setBackground(backcolor); info2.setForeground(Color.blue); info2.setBounds(150,280,100,20); //將面板加入當前容器中，并設置面板的大小和背景色 add(setpanel); setpanel.setBounds(300,1,250,420); setpanel.setBackground(backcolor); //獲取聲音文件 ipAu=getAudioClip(getDocumentBase(),"bells/仙劍.mid"); danger=getAudioClip(getDocumentBase(),"bells/0.mid"); chirp=getAudioClip(getDocumentBase(),"bells/3.mid"); int xcenter,ycenter,s,m,h; xcenter=145; ycenter=162; s=(int)cal.get(Calendar.SECOND); m=(int)cal.get(Calendar.MINUTE); h=(int)cal.get(Calendar.HOUR_OF_DAY); //初始化指針位置 lastxs=(int)(Math.cos(s*3.14f/30-3.14f/2)*30+xcenter); lastys=(int)(Math.sin(s*3.14f/30-3.14f/2)*30+ycenter); lastxm=(int)(Math.cos(m*3.14f/30-3.14f/2)*25+xcenter); lastym=(int)(Math.sin(m*3.14f/30-3.14f/2)*25+ycenter); lastxh=(int)(Math.cos((h*30+m/2)*3.14f/180-3.14f/2)*18+xcenter); lastyh=(int)(Math.sin((h*30+m/2)*3.14f/180-3.14f/2)*18+ycenter); lasts=s; MediaTracker mt=new MediaTracker(this);//創建Tracke對象 clockp=getImage(getDocumentBase(),"休閑.png"); gif1=getImage(getDocumentBase(),"gif1.gif"); gif2=getImage(getDocumentBase(),"gif2.gif"); clock6=getImage(getDocumentBase(),"clock6.gif"); clock7=getImage(getDocumentBase(),"clock7.gif"); mt.addImage(clockp,i++); mt.addImage(gif1,i++); mt.addImage(gif2,i++); mt.addImage(clock6,i++); mt.addImage(clock7,i++); try{mt.waitForAll();}catch(InterruptedException e){};//等待加載結束 resize(600,420);//設置窗口大小 } public void paint(Graphics g){//重寫paint()方法 int xh,yh,xm,ym,xs,ys,strike_times; int xcenter,ycenter; String today; Integer gif_number; xcenter=148; ycenter=186; dat=new Date(); cal.setTime(dat); //讀取當前時間 s=(int)cal.get(Calendar.SECOND); m=(int)cal.get(Calendar.MINUTE); h=(int)cal.get(Calendar.HOUR_OF_DAY); today=df.format(dat); //指針位置 xs=(int)(Math.cos(s*3.14f/30-3.14f/2)*30+xcenter); ys=(int)(Math.sin(s*3.14f/30-3.14f/2)*30+ycenter); xm=(int)(Math.cos(m*3.14f/30-3.14f/2)*25+xcenter); ym=(int)(Math.sin(m*3.14f/30-3.14f/2)*25+ycenter); xh=(int)(Math.cos((h*30+m/2)*3.14f/180-3.14f/2)*18+xcenter); yh=(int)(Math.sin((h*30+m/2)*3.14f/180-3.14f/2)*18+ycenter); //設置字體和顏色 g.setFont(F); g.setColor(fgcol); g.setColor(fgcol2); g.setColor(getBackground()); g.fillRect(1,1,634,419); g.drawImage(clockp,75,110,this); g.drawImage(clock6,83,280,this); g.setColor(fgcol2); g.setColor(getBackground()); g.setColor(fgcol2); //以數字方式顯示年、月、日和時間 g.drawString(today,55,415); g.drawLine(xcenter,ycenter,xs,ys); g.setColor(fgcol); //畫指針 g.drawLine(xcenter,ycenter-1,xm,ym); g.drawLine(xcenter-1,ycenter,xm,ym); g.drawLine(xcenter,ycenter-1,xh,yh); g.drawLine(xcenter-1,ycenter,xh,yh); lastxs=xs;lastys=ys; lastxm=xh;lastym=ym; lastxh=xh;lastyh=yh; lastdate=today; if(h<12)hh=h;//將系統時間變換到0-11區間 else hh=h-12; if(hh==0) strike_times=12;//計算整點時鐘聲數 else strike_times=hh; if((s==0&&m==0)||flag){//判斷是否整點，是否是主動刷新 if(counter<strike_times){ flag=true; g.drawImage(gif2,115,35,this); if(lasts!=s){ if(strike){ counter++; danger.play();//播放鬧鈴聲 } if(strike)strike=false; else strike=true; } } else { counter=0; flag=false; } } else g.drawImage(gif1,115,35,this); int timedelta;//記錄當前時間與鬧鈴定時的時差 Integer currh,currm,currs;//分別記錄當前的時、分、秒 timeNow=new Date(); currh=new Integer(timeNow.getHours()); currm=new Integer(timeNow.getMinutes()); currs=new Integer(timeNow.getSeconds()); //判斷是否要更新當前顯示的時間，這樣可以避免文本框出現頻率閃動 if(currh.intValue()!=Integer.valueOf(showhour.getText()).intValue()) showhour.setText(currh.toString()); if(currm.intValue()!=Integer.valueOf(showmin.getText()).intValue()) showmin.setText(currh.toString()); if(currs.intValue()!=Integer.valueOf(showsec.getText()).intValue()) showsec.setText(currh.toString()); if(setalerm){ //判斷是否設置了鬧鐘 //判斷當前時間是否為鬧鐘所定的時間 if((currh.intValue()==fixh)&&(currm.intValue()==fixm)&&(currs.intValue()==fixs)) clickflag=true; timedelta=currm.intValue()*60+currs.intValue()-fixm*60-fixs; if((timedelta<60)&&(clickflag==true)){ //若當前時間與鬧鐘相差時間達到60秒 chirp.play(); g.drawImage(clock7,83,280,this); } else{ chirp.stop(); clickflag=false; } } if(lasts!=s) ipAu.play();//播放滴答聲 lasts=s; if(canPaint){ t+=1; if(t==12)t=0; } canPaint=false; dat=null;}public void start(){ if(timer==null){ timer=new Thread(this);//將timer實例化 timer.start(); }}public void stop(){ timer=null;}public void run(){ while(timer!=null){ try{timer.sleep(timeout);}catch(InterruptedException e){} canPaint=true; repaint();//刷新畫面 } timer=null; } public void update(Graphics g){ //采用雙緩沖技術的update()方法 if(offscreen_buf==null) offscreen_buf=createImage(600,420); Graphics offg=offscreen_buf.getGraphics(); offg.clipRect(1,1,599,419); paint(offg); Graphics ong=getGraphics(); ong.clipRect(1,1,599,419); ong.drawImage(offscreen_buf,0,0,this); } public boolean action(Event evt,Object arg){ //按鈕事件處理函數 if(evt.target instanceof Button){ String lable=(String)arg; if(lable.equals("開")){ setalerm=true; //獲取輸入的時間 fixh=Integer.valueOf(sethour.getText()).intValue(); fixm=Integer.valueOf(setmin.getText()).intValue(); fixs=Integer.valueOf(setsec.getText()).intValue(); clickflag=false; } if(lable.equals("關")){ setalerm=false; if(chirp!=null) chirp.stop(); clickflag=false; } return true; } return false; }}?? 快捷鍵說明
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