java實驗報告 圖形用戶界面設計 GUI

實驗報告課程java程序設計實驗項目圖形用戶界面成績專業(yè)班級班內(nèi)序號指導教師姓名學號實驗日期2010-1-4實驗目的：1、熟悉GUI設計步驟2、掌握GUI各個組件的用法實驗要求：1.使用BorderLayout將JFrame布局分為左右兩塊；左邊使用GridLayout，半酣3個按鈕；；右邊JLabel里顯示一幅幅畫，按鈕空JLabel是否顯示滾動條。源代碼如下：importjavax.swing.*;importjava.awt.*;publicclassframeTest{publicstaticvoidmain(Stringargs[]){CFrameframe=newCFrame("FrameTest");Containerpane=frame.getContentPane();pane.add(newleftPanel(),BorderLayout.WEST);pane.add(newrightPanel(),BorderLayout.EAST);frame.pack();frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);frame.setVisible(true);}}classCFrameextendsJFrame{publicCFrame(Stringtitle){setTitle(title);setBackground(Color.BLUE);}}classleftPanelextendsJPanel{publicleftPanel(){JButtonbt1=newJButton("view");JButtonbt2=newJButton("clear");JButtonbt3=newJButton("noidea");setLayout(newGridLayout(2,2,100,100));add(bt1);add(bt2);add(bt3);bt1.addActionListener(this);bt2.addActionListener(this);bt3.addActionListener(this);}}classrightPanelextendsJPanel{publicrightPanel(){JLabellabel=newJLabel(newImageIcon("image.jpg"));label.setToolTipText("西瓜帽");JScrollPanescr=newJScrollPane(label,ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);add(label);add(scr);}}運行結果如圖所示2.練習使用對話框。包括一個JLabel和兩個JButton，按任何一個JButton都會產(chǎn)生一個輸入對話框，按確定后將輸入內(nèi)容在JLabel中顯示出來源代碼如下：importjavax.swing.*;importjava.awt.*;importjava.awt.event.*;publicclassdTest{publicstaticvoidmain(Stringargs[]){Formform=newForm();form.setSize(300,200);form.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);form.setVisible(true);}}classFormextendsJFrameimplementsActionListener{privateDialdia;JLabellab=newJLabel("請輸入");publicForm(){JButtonbtn1=newJButton("Yes");JButtonbtn2=newJButton("No");getContentPane().setLayout(newGridLayout(3,1));add(lab);add(btn1);add(btn2);setTitle("inputprac");btn1.addActionListener(this);btn2.addActionListener(this);}publicvoidactionPerformed(ActionEventevent){if(event.getActionCommand()=="輸入"){dia=newDial(this,"請輸入內(nèi)容",true);dia.setVisible(true);lab.setText(dia.getSt());}else{System.exit(0);}}}classDialextendsJDialogimplementsActionListener{privateJTextFieldtext=newJTextField("change");privateJButtonbtn1=newJButton("確定");privateJPanelpanel=newJPanel();publicDial(JFrameframe,Stringtitle,booleanb){super(frame,title,b);getContentPane().setLayout(newFlowLayout());panel.add(text);panel.add(btn1);btn1.addActionListener(this);getContentPane().add(panel);pack();}publicvoidactionPerformed(ActionEventevent){this.dispose();}publicStringgetSt(){returntext.getText();}}運行結果如圖所示3.聯(lián)系使用JTable。包括姓名、學號、語文成績、數(shù)學成績、總分共5項源代碼如下：importjava.awt.*;importjavax.swing.*;publicclasstable{publicstaticvoidmain(Stringargs[]){JFrameform=newJFrame("Table試驗");finalObject[]row={"姓名","學號","語文成績","數(shù)學成績","總分"};Object[][]rowData={{"張三","01","81","80","160"},{"李四","02","93","72","165"},{"王麻子","03","99","97","196"},};JTabletb=newJTable(rowData,row);JScrollPanepane=newJScrollPane(tb);form.getContentPane().add(tb);form.setVisible(true);form.pack();}}運行結果如圖所示4.編寫Application程序，構造一個GUI，實現(xiàn)對兩個數(shù)的加、減、乘、除功能。應含有3個JTextField和1個JButton源代碼如下：importjava.awt.*;importjavax.swing.*;importjava.awt.event.*;classFormextendsJFrameimplementsActionListener{JTextFielda=newJTextField(6);JTextFieldb=newJTextField(6);JTextFieldc=newJTextField("+",1);JButtonbtn=newJButton("計算");JLabellab=newJLabel("=");publicForm(){Containerct=getContentPane();ct.add(a);ct.add(c);ct.add(b);ct.add(lab);ct.add(btn);ct.setLayout(newFlowLayout());btn.addActionListener(this);pack();setVisible(true);}publicvoidactionPerformed(ActionEventevent){intm=Integer.parseInt(a.getText());intn=Integer.parseInt(b.getText());Stringf=c.getText().trim();if(f=="+"){intr=m+n;lab.setText("="+r);}elseif(f=="-"){intr=m-n;lab.setText("="+r);}elseif(f=="*"||f=="×"){intr=m*n;lab.setText("="+r);}elseif(f=="/"||f=="÷"){intr=m/n;lab.setText("="+r);