java实验报告实验六Java图形用户界面

./信息工程学院实验报告的内容与格式按任课教师的要求书写。实验报告的内容与格式按任课教师的要求书写。Java程序设计实习报告JAVA图形用户界面实验六Java图形用户界面1．实验目的〔1掌握图形用户界面基本组件。〔2了解如何使用布局管理器对组件进行管理。〔3掌握Java事件处理机制。2．实验内容实验题1编写一个模拟计算器的程序,使用面板和网格布局,添加一个文本框,10个数字按钮<0-9>,4个加减乘除按钮,一个等号按钮,一个清除按钮,要求将计算公式和结果显示在文本框中。运行结果：加法：主要代码：privatevoidinitComponents<>{jButton1=newjavax.swing.JButton<>;jButton2=newjavax.swing.JButton<>;jButton3=newjavax.swing.JButton<>;jButton4=newjavax.swing.JButton<>;jButton5=newjavax.swing.JButton<>;jButton6=newjavax.swing.JButton<>;jButton7=newjavax.swing.JButton<>;jButton8=newjavax.swing.JButton<>;jButton9=newjavax.swing.JButton<>;jButton10=newjavax.swing.JButton<>;jButton11=newjavax.swing.JButton<>;jButton12=newjavax.swing.JButton<>;jButton13=newjavax.swing.JButton<>;jButton14=newjavax.swing.JButton<>;jButton15=newjavax.swing.JButton<>;jTextField1=newjavax.swing.JTextField<>; setStub<null>;jButton1.setText<"3">;jButton1.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton1ActionPerformed<evt>; } }>;jButton2.setText<"1">;jButton2.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton2ActionPerformed<evt>; } }>;jButton3.setText<"5">;jButton3.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton3ActionPerformed<evt>; } }>;jButton4.setText<"2">;jButton4.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton4ActionPerformed<evt>; } }>;jButton5.setText<"6">;jButton5.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton5ActionPerformed<evt>; } }>;jButton6.setText<"8">;jButton6.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton6ActionPerformed<evt>; } }>;jButton7.setText<"4">;jButton7.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton7ActionPerformed<evt>; } }>;jButton8.setText<"7">;jButton8.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton8ActionPerformed<evt>; } }>;jButton9.setText<"0">;jButton9.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton9ActionPerformed<evt>; } }>;jButton10.setText<"9">;jButton10.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton10ActionPerformed<evt>; } }>;jButton11.setText<"\u00f7">;jButton11.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton11ActionPerformed<evt>; } }>;jButton12.setText<"\u00d7">;jButton12.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton12ActionPerformed<evt>; } }>;jButton13.setText<"-">;jButton13.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton13ActionPerformed<evt>; } }>;jButton14.setText<"+">;jButton14.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton14ActionPerformed<evt>; } }>;jButton15.setText<"=">;jButton15.addActionListener<newjava.awt.event.ActionListener<>{publicvoidactionPerformed<java.awt.event.ActionEventevt>{ jButton15ActionPerformed<evt>; } }>;实验题2编写一个程序,有一个窗口,该窗口为BorderLayout布局。窗口的中心添加一个Panel容器：pCenter,pCenter的布局是7行7列的GridLayout布局,pCenter的中放置49个标签,用来显示日历。窗口北面添加一个Panel容器pNorth,其布局是FlowLayout布局,pNorth放置两个按钮：nextMonth和previousMonth按钮,单击nextMonth,可以显示当前月的下一个月的日历；单击previousMonth按钮,可以显示当前月的上一个月的日历。窗口的南面添加一个Panel容器pSouth,其布局是FlowLayout布局,pSouth中放置一个标签用来显示一些信息。运行结果如图所示。图3.8运行结果图[基本要求]编写完整程序。运行结果：主要代码：privateJLabel[]buttonDay=newJLabel[42];privateJButton[]buttonWeek=newJButton[7];privateJLabellabelMonth=newJLabel<>;privateJButtonbuttonLastMonth=newJButton<>;privateJButtonbuttonNextMonth=newJButton<>;privateJPanelpCenter=newJPanel<>;privateJPanelpNorth=newJPanel<>;privateJPanelpSouth=newJPanel<>;privateJLabeltime=newJLabel<>;publicCalender<>{super<"Calender">;setBounds<250,200,600,500>;setDefaultCloseOperation<JFrame.EXIT_ON_CLOSE>;buttonLastMonth.setText<"上月">;buttonLastMonth.addActionListener<this>;pNorth.add<buttonLastMonth>;buttonNextMonth.setText<"下月">;buttonNextMonth.addActionListener<this>;pNorth.add<buttonNextMonth>;getContentPane<>.add<pNorth,BorderLayout.NORTH>;getContentPane<>.add<pCenter,BorderLayout.CENTER>;pCenter.setLayout<newGridLayout<7,7>>;for<inti=0;i<7;i++>{buttonWeek[i]=newJButton<>;buttonWeek[i].setText<stringWeekCn[i]>;pCenter.add<buttonWeek[i]>;}for<inti=0;i<42;i++>{buttonDay[i]=newJLabel<>;buttonDay[i].setText<"">;pCenter.add<buttonDay[i]>;}实验题3实现如图3.9所示的布局方式功能：前两个文本框输入整型数据。第三个文本框存放前两个文本框数据之和。要求如下：第一个文本框的数据是[100,200],如果超出该范围弹出对话框提示用户。弹出提示对话框的时刻是光标离开第一个文本框时。图3.9求和运行结果：检验输入数据范围：主要代码：classMouseHanderextendsMouseAdapter{publicMouseHander<JTextFieldc>{current=c;}publicvoidmousePressed<MouseEventevent>{if<current==result>{doublefirstNumber=Double.parseDouble<first.getText<>>;doublesecondNumber=Double.parseDouble<second.getText<>>;doubleResult=firstNumber+secondNumber;result.setText<""+Result>;}elsecurrent.setText<"">;}privateJTextFieldcurrent;}classMouseMotionHanderextendsMouseMotionAdapter{publicvoidmouseMoved<MouseEventevent>{doublenumber=Double.parseDouble<first.getText<>>;if<number<100||number>200>{inttype=JOptionPane.ERROR_MESSAGE;JOptionPane.showMessageDialog<null,newString<"输入数字必须在100~200之间">,"提示",2>;}}}实验题4编写一个显示图像文件的Application应用程序,在该程序JFrame窗体中添加JPanel面板和一个JToolBar工具栏,在工具栏上添加一个JButton"打开"按扭,单击"打开"按纽,弹出JFileChooser文件打开选择对话框,选择图像文件后将其显示在JPnel面板中。运行结果：主要代码：publicclassNewJFrameextendsjavax.swing.JFrame{privateJPaneljPanel1;privateJPaneljPanel2;privateJButtonjButton2;privateJButtonjButton1;privateStringfilePath="";/***Auto-generatedmainmethodtodisplaythisJFrame*/publicstaticvoidmain<String[]args>{ SwingUtilities.invokeLater<newRunnable<>{publicvoidrun<>{ NewJFrameinst=newNewJFrame<>; inst.setLocationRelativeTo<null>; inst.setVisible<true>; } }>; }publicNewJFrame<>{super<>; initGUI<>; }privatevoidinitGUI<>{try{ setDefaultCloseOperation<WindowConstants.DISPOSE_ON_CLOSE>; {jPanel1=newJPanel<true>; FlowLayoutjPanel1Layout=newFlowLayout<>; getContentPane<>.add<jPanel1,BorderLayout.NORTH>;jPanel1.setPreferredSize<newjava.awt.Dimension<384,43>>;jPanel1.setLayout<jPanel1Layout>; {jButton2=newJButton<>;jPanel1.add<jButton2>;jButton2.setText<"Open">;jButton2.setBounds<104,12,62,22>;jButton2.setPreferredSize<newjava.awt.Dimension<76,22>>;jButton2.addActionListener<newActionListener<>{publicvoidactionPerformed<ActionEventevt>{ jButton2ActionPerformed<evt>; } }>; } {jButton1=newJButton<>;jPanel1.add<jButton1>;jButton1.setText<"Close">;jButton1.setBounds<204,12,62,22>;jButton1.setPreferredSize<newjava.awt.Dimension<72,22>>;jButton1.addMouseListener<newMouseAdapter<>{publicvoidmousePressed<MouseEventevt>{ System.exit<0>;//TODOaddyourcodeforjButton1.mousePressed } }>; } } {jPanel2=newJPanel<>; getContentPane<>.add<jPanel2,BorderLayout.CENTER>; } pack<>; setSize<400,300>; }catch<Exceptione>{//addyourerrorhandlingcodehere e.printStackTrace<>; } }privatevoidjButton2ActionPerformed<ActionEventevt>{ Stringaction=evt.getActionCommand<>; JFileChooserfileChooser=newJFileChooser<>;intindex=fileChooser.showOpenDialog<getContentPane<>>;if<index==JFileChooser.APPROVE_OPTION> { FileselectedFile=fileChooser.getSelectedFile<>;//取得选中的文件filePath=selectedFile.getPath<>;filePath=filePath.replace<'\\','/'>; ImageIconicon=newImageIcon<filePath>; JLabellabel=newJLabel<icon,JLabel.CENTER>; JLabelp=newJLabel<"图片路径："+filePath>;jPanel2.add<p,BorderLayout.SOUTH>;jPanel2.add<label>;jPanel2.update<null>; } }}实验题5使用SWT技术完成图3.10所示图形界面的制作。要求"查询结果"用group组件。图3.10数据查询界面运行结果;主要代码：publicclassSearchextendsorg.eclipse.swt.widgets.Composite{privateCompositecomposite1;privateCompositecomposite2;privateGroupgroup1;privateTexttext4;privateLabellabel4;privateTexttext3;privateLabellabel3;privateTexttext2;privateLabellabel2;privateButtonbutton2;privateButtonbutton1;privateTexttext1;privateLabellabel1; {//Registerasaresourceuser-SWTResourceManagerwill//handletheobtaininganddisposingofresourcesSWTResourceManager.registerResourceUser<this>; }publicSearch<Compositeparent,intstyle>{super<parent,style>; initGUI<>; }/** *InitializestheGUI. */privatevoidinitGUI<>{try{this.setSize<neworg.eclipse.swt.graphics.Point<400,300>>;this.setBackground<SWTResourceManager.getColor<192,192,192>>;FormLayoutthisLayout=newFormLayout<>;this.setLayout<thisLayout>; {composite1=newComposite<this,SWT.NONE>;FormLayoutcomposite1Layout=newFormLayout<>;FormDatacomposite1LData=newFormData<>; composite1LData.left=newFormAttachment<0,1000,0>; composite1LData.top=newFormAttachment<0,1000,0>; composite1LData.width=400; composite1LData.height=300;composite1.setLayoutData<composite1LData>;composite1.setLayout<composite1Layout>; {group1=newGroup<composite1,SWT.NONE>;GridLayoutgroup1Layout=newGridLayout<>; group1Layout.marginBottom=30; group1Layout.numColumns=2; group1Layout.verticalSpacing=15; group1Layout.marginTop=10;group1.setLayout<group1Layout>;FormDatagroup1LData=newFormData<>; group1LData.left=newFormAttachment<0,1000,38>; group1LData.top=newFormAttachment<0,1000,106>; group1LData.width=318; group1LData.height=145;group1.setLayoutData<group1LData>;group1.setText<"\u67e5\u8be2\u7ed3\u679c">;group1.setFont<SWTResourceManager.getFont<"微软雅黑",11,0,false,false>>; {label2=newLabel<group1,SWT.NONE>;GridDatalabel2LData=newGridData<>; label2LData.widthHint=70; label2LData.heightHint=25;label2.setLayoutData<label2LData>;label2.setText<"\u5b66\u53f7\uff1a">;label2.setFont<SWTResourceManager.getFont<"微软雅黑",11,0,false,false>>; } {GridDatatext2LData=newGridData<>; text2LData.widthHint=181; text2LData.heightHint=27;text2=newText<group1,SWT.NONE>;text2.setLayoutData<text2LData>; } {label3=newLabel<group1,SWT.NONE>;GridDatalabel3LData=newGridData<>; label3LData.widthHint=63; label3LData.heightHint=23;label3.setLayoutData<label3LData>;label3.setText<"\u59d3\u540d\uff1a">;label3.setFont<SWTResourceManager.getFont<"微软雅黑",11,0,false,false>>; } {GridDatatext3LData=newGridData<>; text3LData.widthHint=181; text3LData.heightHint=27;text3=newText<group1,SWT.NONE>;text3.setLayoutData<text3LData>; } {label4=newLabel<group1,SWT.NONE>;GridDatalabel4LData=newGridData<>; label4LData.widthHint=57; label4LData.heightHint=28;label4.setLayoutData<label4LData>;label4.setText<"\u5e74\u9f84\uff1a">;label4.setFont<SWTResourceManager.getFont<"微软雅黑",11,0,false,false>>; } { GridDatatext4LData=newGridData<>; text4LData.widthHint=182; text4LData.heightHint=31;text4=newText<group1,SWT.NONE>;text4.setLayoutData<text4LData>; } } {composite2=newComposite<composite1,SWT.NONE>; GridLayoutcomposite2Layout=newGridLayout<>; composite2Layout.numColumns=2; composite2Layout.marginLeft=40; composite2Layout.horizontalSpacing=10; composite2Layout.verticalSpacing=15; FormDatacomposite2LData=newFormData<>; composite2LData.left=newFormAttachment<0,1000,12>; composite2LData.top=newFormAttachment<0,1000,12>; composite2LData.width=376; composite2LData.height=88;composite2.setLayoutData<composite2LData>;composite2.setLayout<composite2Layout>; {label1=newLabel<composite2,SWT.NONE>; GridDatalabel1LData=newGridData<>; label1LData.widthHint=96; label1LData.heightHint=22;label1.setLayoutData<label1LData>;label1.setText<"\u8bf7\u8f93\u5165\u5b66\u53f7\uff1a">;label1.setFont<SWTResourceManager.getFont<"微软雅黑",12,0,false,false>>; } { GridDatatext1LData=newGridData<>; text1LData.widthHint=182; text1LData.heightHint=28;text1=newText<composite2,SWT.NONE>;text1.setLayoutData<text1LData>; } {button1=newButton<composite2,SWT.PUSH|SWT.CENTER>; GridDatabutton1LData=newGridData<>; button1LData.widthHint=70; button1LData.heightHint=27;button1.setLayoutData<button1LData>;button1.setText<"\u786e\u5b9a">; } {button2=newButton<composite2,SWT.PUSH|SWT.CENTER>; GridDatabutton2LData=newGridData<>; button2LData.widthHint=78; button2LData.heightHint=27;button2.setLayoutData<button2LData>;button2.setText<"\u91cd\u7f6e">; } } }this.layout<>; }catch<Exceptione>{ e.printStackTrace<>; } }/** *Auto-generatedmainmethodtodisplaythis *org.eclipse.swt.widgets.CompositeinsideanewShell. */publicstaticvoidmain<String[]args>{Displaydisplay=Display.getDefault<>;Shellshell=newShell<display>; Searchinst=newSearch<shell,SWT.NULL>;Pointsize=inst.getSize<>; shell.setLayout<newFillLayout<>>; shell.layout<>;if<size.x==0&&size.y==0>{ inst.pack<>; shell.pack<>; }else{RectangleshellBounds=puteTrim<0,0,size.x,size.y>; shell.setSize<shellBounds.width,shellBounds.height>; } shell.open<>;while<!shell.isDisposed<>>{if<!display.readAndDispatch<>> display.sleep<>; } }}实验题6使用SWT技术完成图3.11所示学籍管理主界面的设计与制作。图3.11学籍管理主界面运行结果：主要代码：publicclassExample{publicstaticvoidmain<String[]args>{ Windowwin=newWindow<"学籍管理系统",300,200,500,500>; }}packagepackage6;importjava.awt.*;importjavax.swing.*;import;import;importstatic.*;import.*;importjavax.swing.*;publicclassWindowextendsJFrame{ JMenuBarmenubar; JMenumenu,menu2,menu3,menuhelp; JMenuItemitem1,item2; JLabeltext;publicWindow<>{ }publicWindow<Strings,intx,inty,intw,inth>{ init<s>; setLocation<x,y>; setSize<w,h>; setVisible<true>; setDefaultCloseOperation<DISPOSE_ON_CLOSE>; }voidinit<Strings>{ setTitle<s>; setLayout<null>;text=newJLabel<"欢迎使用学籍管理系统!">;text.setForeground<Color.red>;text.setFont<newjava.awt.Font<"Dialog",1,22>>; add<text>;text.setBounds<140,150,250,150>;menubar=newJMenuBar<>;menu=newJMenu<"在线登陆">;menu2=newJMenu<"用户管理">;menu3=newJMenu<"数据维护">;menuhelp=newJMenu<"帮助">;item1=newJMenuItem<"用户登录",newImageIcon<"Login,gif">>;item2=newJMenuItem<"退出",newImageIco