java課設(shè)-用菜單按鈕控制繪圖

邊形邊形邊形邊形心橢圓實(shí)心矩形邊形學(xué)生在項(xiàng)目開發(fā)中團(tuán)隊(duì)合作精神、創(chuàng)新意識(shí)及能力。實(shí)現(xiàn)簡(jiǎn)單繪圖功能，具體要求：畫直線，畫空心或?qū)嵭臋E圓、畫空心或?qū)嵭木匦?、畫多邊?圖形的位置和大小可在程序中設(shè)定)。(一)分析與設(shè)計(jì)說明java的學(xué)習(xí)，本程序運(yùn)用圖形界面和繪圖功能，均已學(xué)過利用菜單和按鈕控制繪圖按鈕繪制菜單繪制按鈕繪制菜單繪制主直直矩形線心矩直橢橢矩直橢形線圓形線直空實(shí)心空實(shí)心矩心心矩形心橢橢形下方的按鈕，得到所需圖形，完成功能的實(shí)現(xiàn)。(二)代碼分析6個(gè)按鈕,5個(gè)文本組件)//導(dǎo)入程序所需要的包importjava.awt.*;importjava.awt.event.*;importjavax.swing.*;publicclassDrawextendsJFrameimplementsActionListener{privatestaticfinallongserialVersionUID=1L;privatestaticfinalintWIDTH=600;privatestaticfinalintHEIGHT=600;JMenuBarmenubar;JMenumenu1,menu2,menu3,menu4;JMenuItemitem1,item2,item3,item4,item5,item6;JButtonbutton1,button2,button3,button4,button5,button6;JLabellabel1;Mypanelpane1=newMypanel();rawCanvasJDnull//將圖形界面設(shè)為名為“控制繪圖”且長(zhǎng)寬都為600的圖形界面。publicDraw{super("控制繪圖");setSize(WIDTH,HEIGHT);Containerc=getContentPane();JD=newDrawCanvas();JPanelpane2=newJPanel();Compent(c,pane2);}privatevoidCompent(Containerc,JPanelpane2){menubar=newJMenuBar();menu1=newJMenu("直線");menu2=newJMenu("橢圓");menu3=newJMenu("矩形");menu4=newJMenu("多邊形");item1=newJMenuItem("直線");item2=newJMenuItem("空心橢圓");item3=newJMenuItem("實(shí)心橢圓");item4=newJMenuItem("空心矩形");item5=newJMenuItem("實(shí)心矩形");item6=newJMenuItem("多邊形");item1.addActionListener(this);item2.addActionListener(this);item3.addActionListener(this);item4.addActionListener(this);item5.addActionListener(this);item6.addActionListener(this);label1=newJLabel("");menu1.add(item1);menu2.add(item2);menu2.addSeparator();menu2.add(item3);menu3.add(item4);menu.addSeparator();menu3.add(item5);menu4.add(item6);nunununusetJMenuBar(menubar);button1=newJButton("直線");button2=newJButton("空心橢圓");button3=newJButton("實(shí)心橢圓");button4=newJButton("空心矩形");button5=newJButton("實(shí)心矩形");button6=newJButton("多邊形");pane2.add(button1);pane2.add(button2);pane2.add(button4);pane2.add(button6);pane2.add(label1);pane2.add(button3);pane2.add(button5);button1.addActionListener(this);button2.addActionListener(this);button3.addActionListener(this);button4.addActionListener(this);button5.addActionListener(this);button6.addActionListener(this);c.add(pane1,BorderLayout.NORTH);c.add(pane2,BorderLayout.SOUTH);c.add(JD,BorderLayout.CENTER);pane2.setLayout(newGridLayout(2,5,20,10));}DrawJFrame示,首先聲明標(biāo)簽、菜單、按鈕和一個(gè)JFrame窗口。然后通過構(gòu)建標(biāo)簽、菜單、按鈕菜單項(xiàng)添加到菜單中。標(biāo)簽、菜單、按鈕添加到及添加按鈕和菜單事件監(jiān)聽者。*//*處理事件監(jiān)聽器事件*/publicvoidactionPerformed(ActionEvente){intx1,y1,x2,y2;IntegerparseIntpanegetAgetTextyIntegerparseIntpanegetBgetText;xIntegerparseIntpanegetCgetTextyIntegerparseIntpanegetD().getText());intx3[]={280,120,50,90,210,280};intx4[]={20,50,100,110,70,20};//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊菜單項(xiàng)實(shí)心橢圓時(shí)，繪制實(shí)心橢圓圖形elseif(e.getSource()==item3){if(JD!=null){JD.setLine(0);JD.setOval(0);JD.setfillOval(1);JD.setRect(0);JD.setfillRect(0);JD.setPolygon(0);JD.setPosition(x1,y1,x2,y2);JD.repaint();}}//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊菜單項(xiàng)直線時(shí)，繪制直線圖形//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊菜單項(xiàng)空心橢圓時(shí)，繪制空心橢圓圖形//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊菜單項(xiàng)空心矩形時(shí)，繪制空心矩形圖形//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊菜單項(xiàng)實(shí)心矩形時(shí)，繪制實(shí)心矩形圖形//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊菜單項(xiàng)多邊形時(shí)，繪制多邊形圖形//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊按鈕直線時(shí)，繪制直線圖形if(e.getSource()==button1){if(JD!=null){JD.setLine(1);JD.setOval(0);JD.setfillOval(0);JD.setRect(0);JD.setfillRect(0);JD.setPolygon(0);JD.setPosition(x1,y1,x2,y2);JD.repaint();}}//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊按鈕空心橢圓時(shí)，繪制空心橢圓圖形//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊按鈕實(shí)心橢圓時(shí)，繪制實(shí)心橢圓圖形//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊按鈕空心矩形時(shí)，繪制空心矩形圖形//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊按鈕實(shí)心矩形時(shí)，繪制實(shí)心矩形圖形//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊按鈕多邊形時(shí)，繪制多邊形圖形fpublicstaticvoidmain(String[]args){JFramejf=newDraw();jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.setResizable(false);jf.setVisible(true);}}//圖形繪制的實(shí)現(xiàn)//導(dǎo)入該程序所需要的包importjava.awt.*;importjavax.swing.*;//DrawCanvas實(shí)現(xiàn)圖形的繪制(直線空心橢圓實(shí)心橢圓空心矩形實(shí)心矩形多邊形)。publicclassDrawCanvasextendsJPanel{privatestaticfinallongserialVersionUID=1L;intx1,y1,x2,y2;intline,oval,filloval,rect,fillrect,polygon;intx3[],x4[],n;publicvoidsetPosition(intx1,inty1,intx2,inty2){this.x1=x1;this.y1=y1;this.x2=x2;this.y2=y2;}publicvoidsetPolPosition(intx3[],intx4[],intn){this.x3=x3;this.x4=x4;this.n=n;}publicvoidsetLine(intline){this.line=line;}publicvoidsetOval(intoval){this.oval=oval;}publicvoidsetfillOval(intfilloval){this.filloval=filloval;}publicvoidsetRect(intrect){this.rect=rect;}publicvoidsetfillRect(intfillrect){this.fillrect=fillrect;}publicvoidsetPolygon(intpolygon){this.polygon=polygon;}publicvoidpaintComponent(Graphicsg){g.setColor(getBackground());g.fillRect(0,0,this.getWidth(),this.getHeight());g.setColor(Color.black);if(line==1){g.drawLine(x1,y1,x2,y2);}elseif(oval==1){g.drawOval(x1,y1,x2,y2);}elseif(filloval==1){g.fillOval(x1,y1,x2,y2);}elseif(rect==1){g.drawRect(x1,y1,x2,y2);}elseif(fillrect==1){g.fillRect(x1,y1,x2,y2);}elseif(polygon==1){g.drawPolygon(x3,x4,n);}}}//設(shè)置參數(shù)的實(shí)現(xiàn)//導(dǎo)入程序所需的包importjava.awt.*;importjavax.swing.*;//Mypanel類中聲明了標(biāo)簽并使得通過創(chuàng)建該類的實(shí)例將其添加到圖形界面中publicclassMypanelextendsJPanel{privatestaticfinallongserialVersionUID=1L;Labellabel1,label2,label3,label4;TextFielda,b,c,d,x;ellabel1=newLabel("參數(shù)");4位不過上面的圖像界面中設(shè)置的大小為600600。故此設(shè)置的x=newTextField(4);a=newTextField(4);bnewTextFieldc=newTextField(4);d=newTextField(4);add(label2);xadd(label1);ddbdcddd}publicTextFieldgetA(){na}publicvoidsetA(TextFielda){this.a=a;}publicTextFieldgetB(){rnb}publicvoidsetB(TextFieldb){this.b=b;}publicTextFieldgetC(){}publicvoidsetC(TextFieldc){this.c=c;}publicTextFieldgetD(){}publicvoidsetD(TextFieldd){this.d=d;}}/*參一(三)運(yùn)行結(jié)果例一：輸入“直線”和參數(shù)，選擇直線菜單項(xiàng)，繪制圖線為直線。例二：輸入“空心橢圓”和參數(shù)，選擇下方空心橢圓按鈕，繪制圖形為空心橢圓。例三：輸入“實(shí)心矩形”和參數(shù)，選擇下方實(shí)心矩形按鈕，繪制圖形為實(shí)心矩形。例四：輸入“多邊形”和參數(shù)，選擇多邊形菜單項(xiàng)，繪制圖形為多邊形。1、當(dāng)輸入“直線”，并輸入起始兩點(diǎn)坐標(biāo)參數(shù)，點(diǎn)擊直線菜單項(xiàng)或直線按鈕時(shí)，2、當(dāng)輸入“空心橢圓”，并輸入兩點(diǎn)坐標(biāo)參數(shù)，點(diǎn)擊空心橢圓菜單項(xiàng)或空心橢圓按鈕時(shí)，繪制圖形為空心橢圓。3、當(dāng)輸入“實(shí)心橢圓”，并輸入兩點(diǎn)坐標(biāo)參數(shù)，點(diǎn)擊實(shí)心橢圓菜單項(xiàng)或?qū)嵭臋E圓時(shí)按鈕，繪制圖形為實(shí)心橢圓。4、當(dāng)輸入“空心矩形”，并輸入對(duì)角線兩點(diǎn)坐標(biāo)參數(shù)，點(diǎn)擊空心矩形菜單項(xiàng)或空心矩形按鈕時(shí)，繪制圖形為空心矩形。5、當(dāng)輸入“實(shí)心矩形”，并輸入對(duì)角線兩點(diǎn)坐標(biāo)參數(shù)，點(diǎn)擊實(shí)心矩形菜單項(xiàng)或?qū)嵭木匦伟粹o時(shí)，繪制圖形為實(shí)心矩形。6、當(dāng)輸入“多邊形”，并輸入兩點(diǎn)坐標(biāo)參數(shù)，點(diǎn)擊多邊形菜單項(xiàng)或多邊形按鈕(四)附錄importjava.awt.*;importjava.awt.event.*;importjavax.swing.*;publicclassDrawextendsJFrameimplementsActionListener{privatestaticfinallongserialVersionUID=1L;privatestaticfinalintWIDTH=600;privatestaticfinalintHEIGHT=600;//界面大小JMenuBarmenubar;//菜單條JMenumenu1,menu2,menu3,menu4;//菜單JMenuItemitem1,item2,item3,item4,item5,item6;//菜單項(xiàng)JButtonbutton1,button2,button3,button4,button5,button6;JLabellabel1;Mypanelpane1=newMypanel();rawCanvasJDnull//將圖形界面設(shè)為名為“控制繪圖”且長(zhǎng)寬都為600的圖形界面。publicDraw{super("控制繪圖");//創(chuàng)建標(biāo)題；setSize(WIDTH,HEIGHT);Containerc=getContentPane();JD=newDrawCanvas();JPanelpane2=newJPanel();Compent(c,pane2);}privatevoidCompent(Containerc,JPanelpane2){menubar=newJMenuBar();menu1=newJMenu("直線");menu2=newJMenu("橢圓");menu3=newJMenu("矩形");menu4=newJMenu("多邊形");//構(gòu)造一個(gè)新JMenu，用提供的字符串作為其文item1=newJMenuItem("直線");item2=newJMenuItem("空心橢圓");item3=newJMenuItem("實(shí)心橢圓");item4=newJMenuItem("空心矩形");item5=newJMenuItem("實(shí)心矩形");item6=newJMenuItem("多邊形");item1.addActionListener(this);item2.addActionListener(this);item3.addActionListener(this);item4.addActionListener(this);item5.addActionListener(this);item6.addActionListener(this);label1=newJLabel("");menu1.add(item1);menu2.add(item2);menu.addSeparator();menu2.add(item3);menu3.add(item4);menu3.addSeparator();//往菜單、對(duì)象條中到場(chǎng)一條橫線，完成分組功效；menu3.add(item5);menu4.add(item6);nunununusetJMenuBar(menubar);button1=newJButton("直線");button2=newJButton("空心橢圓");button3=newJButton("實(shí)心橢圓");button4=newJButton("空心矩形");button5=newJButton("實(shí)心矩形");button6=newJButton("多邊形");pane2.add(button1);pane2.add(button2);pane2.add(button4);pane2.add(button6);pane2.add(label1);pane2.add(button3);pane2.add(button5);button1.addActionListener(this);button2.addActionListener(this);button3.addActionListener(this);button4.addActionListener(this);button5.addActionListener(this);button6.addActionListener(this);c.add(pane1,BorderLayout.NORTH);c.add(pane2,BorderLayout.SOUTH);c.add(JD,BorderLayout.CENTER);pane2.setLayout(newGridLayout(2,4,20,10));}publicvoidactionPerformed(ActionEvente){intx1,y1,x2,y2;IntegerparseIntpanegetAgetTextyIntegerparseIntpanegetBgetText;xIntegerparseIntpanegetCgetTexty2=Integer.parseInt(pane1.getD().getText());//獲得相應(yīng)文本內(nèi)容；intx3[]={280,120,50,90,210,280};intx4[]={20,50,100,110,70,20};//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊菜單項(xiàng)直線時(shí)，繪制直線圖形if(e.getSource()==item1){if(JD!=null){JD.setLine(1);JD.setOval(0);JD.setfillOval(0);JD.setRect(0);JD.setfillRect(0);JD.setPolygon(0);JD.setPosition(x1,y1,x2,y2);JD.repaint();}}//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊菜單項(xiàng)空心橢圓時(shí)，繪制空心橢圓圖形elseif(e.getSource()==item2){if(JD!=null){JD.setLine(0);JD.setOval(1);JD.setfillOval(0);JD.setRect(0);JD.setfillRect(0);JD.setPolygon(0);JD.setPosition(x1,y1,x2,y2);JD.repaint();}}//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊菜單項(xiàng)實(shí)心橢圓時(shí)，繪制實(shí)心橢圓圖形elseif(e.getSource()==item3){if(JD!=null){JD.setLine(0);JD.setOval(0);JD.setfillOval(1);JD.setRect(0);JD.setfillRect(0);JD.setPolygon(0);JD.setPosition(x1,y1,x2,y2);JD.repaint();}}//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊菜單項(xiàng)空心矩形時(shí)，繪制空心矩形圖形elseif(e.getSource()==item4){if(JD!=null){JD.setLine(0);JD.setOval(0);JD.setfillOval(0);JD.setRect(1);JD.setfillRect(0);JD.setPolygon(0);JD.setPosition(x1,y1,x2,y2);JD.repaint();}}//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊菜單項(xiàng)實(shí)心矩形時(shí)，繪制實(shí)心矩形圖形elseif(e.getSource()==item5){if(JD!=null){JD.setLine(0);JD.setOval(0);JD.setfillOval(0);JD.setRect(0);JD.setfillRect(1);JD.setPolygon(0);JD.setPosition(x1,y1,x2,y2);JD.repaint();}}//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊菜單項(xiàng)多邊形時(shí)，繪制多邊形圖形elseif(e.getSource()==item6){if(JD!=null){JD.setLine(0);JD.setOval(0);JD.setfillOval(0);JD.setRect(0);JD.setfillRect(0);JD.setPolygon(1);JD.setPolPosition(x3,x4,n);JD.repaint();}}//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊按鈕直線時(shí)，繪制直線圖形if(e.getSource()==button1){if(JD!=null){JD.setLine(1);JD.setOval(0);JD.setfillOval(0);JD.setRect(0);JD.setfillRect(0);JD.setPolygon(0);JD.setPosition(x1,y1,x2,y2);JD.repaint();}}//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊按鈕空心橢圓時(shí)，繪制空心橢圓圖形elseif(e.getSource()==button2){if(JD!=null){JD.setLine(0);JD.setOval(1);JD.setfillOval(0);JD.setRect(0);JD.setfillRect(0);JD.setPolygon(0);JD.setPosition(x1,y1,x2,y2);JD.repaint();}}//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊按鈕實(shí)心橢圓時(shí)，繪制實(shí)心橢圓圖形elseif(e.getSource()==button3){if(JD!=null){JD.setLine(0);JD.setOval(0);JD.setfillOval(1);JD.setRect(0);JD.setfillRect(0);JD.setPolygon(0);JD.setPosition(x1,y1,x2,y2);JD.repaint();}}//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊按鈕空心矩形時(shí)，繪制空心矩形圖形elseif(e.getSource()==button4){if(JD!=null){JD.setLine(0);JD.setOval(0);JD.setfillOval(0);JD.setRect(1);JD.setfillRect(0);JD.setPolygon(0);JD.setPosition(x1,y1,x2,y2);JD.repaint();}}//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊按鈕實(shí)心矩形時(shí)，繪制實(shí)心矩形圖形elseif(e.getSource()==button5){if(JD!=null){JD.setLine(0);JD.setOval(0);JD.setfillOval(0);JD.setRect(0);JD.setfillRect(1);JD.setPolygon(0);JD.setPosition(x1,y1,x2,y2);JD.repaint();}}//當(dāng)監(jiān)聽器監(jiān)聽到鼠標(biāo)點(diǎn)擊按鈕多邊形時(shí)，繪制多邊形圖形elseif(e.getSource()==button6){if(JD!=null){JD.setLine(0);JD.setOval(0);JD.setfillOval(0);JD.setRect(0);JD.setfillRect(0);JD.setPolygon(1);JD.setPolPosition(x3,x4,n);JD.repaint();}}}publicstaticvoidmain(String[]args){JFramejf=newDraw();jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);jf.setResizable(false);jf.setVisible(true);}}importjava.awt.*;importjavax.swing.*;publicclassMypanelextendsJPanel{privatestaticfinallongserialVersionUID=1L;Labellabel1,label2,label3,label4;TextFielda,b,c,d,x;ellabel1=newLabel("參數(shù)");x=newTextField(4);a=newTextField(4);bnewTextFieldc=newTextField(4);d=newTextField(4);//構(gòu)造具有指定列數(shù)的新的空文本字段；add(label2);xadd(label1);ddbdcddd}publicTextFieldgetA(){na}publicvoidsetA(TextFielda){this.a=a;}publicTextFieldgetB(){rnb}publicvoidsetB(TextFieldb){this.b=b;}publicTextFieldgetC(){}publicvoidsetC(TextFieldc){this.c=c;}publicTextF