JAVA编写的计算器源代码

importclassTestimplementsActionListener{/****/JFramef=newJFrame();JTextFieldtf=newJTextField("0.");JMenuBarbar=newJMenuBar();JMenumenuEdit:newJMenu("编辑(E)")；JMenumenuView:newJMenu("查看(V)")；JMenumenuHelp:newJMenu("帮助(H)")；JMenuItemmenuEditCopy:newJMenuItem("复制(C)");JMenuItemmenuEditPaste:newJMenuItem("粘贴(V)");JMenuItemmenuHelpAbout=newJMenuItem("关于计算器(A)");JPanel panel0 = new JPanel()；JPanel panel2 = new JPanel();JPanelpanel=newJPanel();JPanel panel3 = new JPanel();JPanel panel4 = new JPanel();JPanel panel5 = new JPanel();JButtonbtBk=newJButton("Backspace");JButtonbtCe=newJButton("Ce");JButtonbtCl=newJButton("C");JButtonbt7=newJButton("7");JButtonbt8=newJButton("8");JButtonbt9=newJButton("9");JButtonbtDiv=newJButton("/");JButtonbtSqrt=newJButton("sqrt");JButtonbt4=newJButton("4");JButtonbt5=newJButton("5");JButtonbt6=newJButton("6");JButtonbtMult=newJButton("*");JButtonbtMol=newJButton("%");JButtonbt1=newJButton("1");JButtonbt2=newJButton("2");JButtonbt3=newJButton("3");JButtonbtMinu=newJButton("-");JButtonbtCoun=newJButton("1/x");JButtonbt0=newJButton("0");JButtonbtPoint=newJButton(".");JButtonbtEqual=newJButton("=");JButtonbtAdd=newJButton("+");JButtonbtSign=newJButton("+/-");/***@paramargs*/publicvoidinit(){(panel0);(tf,"North");(bar);(menuEdit);(menuView);(menuHelp);(menuEditCopy);(menuEditPaste);(menuHelpAbout);(false);;}harAt(0)=='-'){("函数输入无效");}elseparseDouble()))));i=true;}harAt(0)=='0'){("零不能求倒数");i=true;}else{Strings=(1/()));foreNum=();(s);i=true;}}||(m)=='-')){break;}if(isNumber==true){;};}//实现复制elseif(obj==menuEditCopy){copy=();}//实现粘贴elseif(obj==menuEditPaste){(copy);}//实现帮助主题elseif(obj==menuHelpAbout){ImageIconicon=newImageIcon("src//Icons//");JLabellabel=newJLabel(icon);(f,label,"帮助主题"，；}}publicstaticvoidmain(String[]args){//TODO自动生成方法存根try{());//UIManager统一管理}catch(Exceptione){();}Testt=newTest();();}classMyWinLisimplementsWindowListener{publicvoidwindowActivated(WindowEventarg0){//TODO自动生成方法存根}publicvoidwindowClosed(WindowEventarg0){//TODO自动生成方法存根}publicvoidwindowClosing(WindowEventarg0){//TODO自动生成方法存根(0);}publicvoidwindowDeactivated(WindowEventarg0){//TODO自动生成方法存根}publicvoidwindowDeiconified(WindowEventarg0){//TODO自动生成方法存根}p