java记事本实验报告

1、精选文库 14 期末考查大作业任务 课程名称: Java语言程序设计设计实验 题 目: 简单记事本的设计与实现 院: 管理学院 系: 信息管理系 专业班级: 学 号: 学生姓名: 起讫日期: 2015-09-01 至 2015-12-31 郭路生 课任教师: 学院审核（签名）： 审核日期: 、实验内容 完成一个简单的记事本程序。 二、实验要求 1. 实现一个记事本窗口，能够处理关闭处理窗口事件。 2. 记事本可进行文本编辑 3. 记事本具有菜单。 4. 具有保存和打开功能。 5. 具有字体大小、风格等功能 6. 具有复制、粘贴功能（可选项） 三、主要仪器设备及耗材 计算机、eclipse 四、

2、主要参考资料 1. 网络教学台平教材材料列出的资料 2. 教材及实验指导 3. 老师演示的视频 4. 网络上相关资料 五、实验步骤 1、程序代码截图 rL h4rt lW*rt 啊) tUUc Olufluurutj Fixe lapiEnta JrTimJJjtEap ( 血TB.bir: jr J 昕 rij. JWR, ! nt艸广支Re i 11 OH- nB44S-Xtr I bhuX百IG韵巧； luw Me*U Op k*fcu - HV imjcmt打开Qj WlfeJiU * H*V利鼻 bAiJzzQ - Rw teaLiIctarfflH; U_Ub - no Hnrd抚

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8、Jnpexte ndsFrameimp leme ntsActio nListe ner /主界面设置 =new Menu(文件); new Menu(格式); new Menu(帮助“); bar = new Men uBar(); wen jia n geshi help Men ultem dakai Men ultem Men ultem xinjia n baocun Men ultem tuichu new Men uItem( new Men uItem( new Men uItem( new Men uItem( 打开“); 新建); 保存); 退岀); Men ultem z

9、itixua nz Men ultem lin gcu nwei Men ultem guanyu =new MenuItem(字体选择); =new MenuItem( 另存为); new MenuItem(关于记事本”); TextArea bianjiqu new TextAreaO; MyJn p() public sup er (记事本“); bar .add( wenjian); bar .add( geshi ); bar .add( help ); wenjia n .add( xinjia n wenjia n .add( dakai ); wenjia n .add( ba

10、ocun ); wenjia n .add( lin gcu nwei wenjia n .add( tuichu ); geshi .add( zitixua nz ); ); ); help .add( guanyu ); ); bar ); true ); add( bia njiqu setMe nuBar( setVisible( setBou nds(200,100,800,600); addWi ndowListe ner( wi ndowClos in g(Wi ndowEve nt e)System. new Win dowAda pter() p ublic void ex

11、it (0); ); Stri ng p ublic /添加事件监听 path ; voidaddActi on Liste nerO dakai tuichu .addActi on Liste ner( .addActi on Liste ner( this ); this ）； xinjia n baocun .addActi on Liste ner( .addActi on Liste ner( lin gcu nwei.addActi on Liste ner( guanyu .addActionListener( zitixua nz.addActi on Liste ner(

12、this this ); ); this ); this ); this ); p ublicvoid acti onP erformed(Acti on Eve nt e) /事件处理 if (e.getSource()= System. exit (0); tuichu ) else if (e.getSource()= dakai ) dakaiwe njia n temp = new dakaiwe njia nO; bia njiqu.setText(te mp .getDataO); else if (e.getSource()= xinjia n) HH ); bia njiqu

13、 .setText( p ath =n ull ; else if (e.getSource()= baocun ) if ( path = null ) .getTextO; new baocu nwen jia n(); Stri ng s =bianjiqu baocu nwen jia n wen = wen. saveData(s); p ath =we n. get Path(); else baoc bao = new baoc( path ); bianjiqu .getTextO; Stri ng s = bao.saveData(s); else if (e.getSour

14、ce()= guanyu ) JOp tio nPane. 君，“帮助 “，JOptionPane. else showMessageDialog (null ,信管 131 班 6104113035 INFORMATION_MESSAGE ); if (e.getSourceO= lin gcu nwei Stri ng s = .getTextO; new bianjiqu baocu nwen jia n( ).saveData(s); public else new new if ziti( static (e.getSource()= bia njiqu ); zitixua nz

15、voidmain( Stri ng args) MyJ np( ).addActio nListe ner(); dakaiwenjianII打开文件得到字符串并在 BufferedReadertemp ; data =; class getData 方法中返回字符串 Stri ng p ublicdakaiwe njia n() try FileDialog s =new FileDialog( s.setVisible(true ); Stri ng p ath1 =s.getDirectory()+ temp = new Stri ng ali ne; while (ali ne= da

16、ta = data new Frame(), 打开，FileDialog. LOAD); BufferedReader( temp .readLine()!= +ali ne+ n; new +s.getFile(); FileReader( path1); null ) catch public return temp .close。； (Exce pti on e )System. out .println( 打开失败); Stri ng getData() data ; Stri ng p ublic try class baocu nwen jia n BufferedWriterbw

17、 ; teamp ; baocu nwen jia n() /第一次保存和另存为调用的类 s = new FileDialog( true ); FileDialog s.setVisible( tea mp = s.getDirectory()+s.getFile(); bw= new Frame(),保存，FileDialog. SAVE); new BufferedWriter( new FileWriter( catch (Exce pti on e)System. out .println( teamp ); 保存失败“); p ublic Stri ng get Path() re

18、turnteamp ; p ublicvoid saveData(Stri ng temp1) try bw .write(tem p1); bw.close(); out .println( 保存失败); catch (Exce pti on e)System. baoc BufferedWriter Stri ng public try this class /多次保存类 bw= catch bw ; teamp ; baoc(Stri ng tea mp) .teamp = teamp; new BufferedWriter( (Exce pti on e)System. new Fil

19、eWriter(tea mp); out .println( 保存失败“); p ublic try void saveData(Stri ng temp1) bw .write(tem p1); bw.close(); catch (Exce pti on e)System. out .println( 保存失败); class ziti exte nds Dialogimp leme nts Acti on Liste ner int /字体设置类 sty =0; size =0; Label ys ; Label sz ; Pan el pan1 = new Pan el(); Pan

20、el pan2 = new Pan el(); TextField yan gshi; TextField daxiao ; Fo nt s; Butt on qued ing ; TextArea ta ; public ziti(TextArea ta) super (new Frame(),字体设置 this .ta =ta; int )； quedi ng = new Butto n( yan gshi= new TextField(5); daxiao = new TextField(5); ys = new Label( 样式： sz = new Label( 大小： pan1 .

21、add( ys); pan1 .add( yan gshi ); pan2 |.add( sz); pan2 |.add( daxiao ); pan2 |.add( qued ing ); 确定“）; （请输入正整数 （请输入正整数） ); ); add( add( pan1 ,BorderLayout. ban2 |,BorderLayout. NORTH); SOUTH); quedi ng.addActi on Liste ner( setVisible(true ); setBou nds(200,200,300,100); setResizable( addWi ndowListe ner( p ublic void this ); false ); new Win dowAda pter() win dowClos in g(Wi ndowEve nt e) ziti. this .dis pose(); ); public e ) Stri ng k; if