-.z.學(xué)號11710115**城建大學(xué)Java語言程序設(shè)計C實驗報告實驗5：計算器學(xué)生路江飛班級11卓越7班一、實驗?zāi)康?．掌握J(rèn)ava圖形組件和布局管理器的使用；2．掌握使用Java事件處理機(jī)制的使用；3．掌握圖形界面的各種控件的使用，如：標(biāo)簽、文本框、按鈕、復(fù)選框、列表框、窗框等。二、實驗要求1．采用布局管理器進(jìn)行界面的布局；2．學(xué)會對不同的事件用相應(yīng)的事件處理器；3．寫出實驗報告。要求記錄編譯和執(zhí)行Java程序當(dāng)中的系統(tǒng)錯誤信息提材示，并給出解決辦法。三、實驗容1．在隨堂練習(xí)的簡單計算器基礎(chǔ)上設(shè)計一個多功能計算器。包括復(fù)雜的功能：比如記憶功能，三角函數(shù)，成方，對數(shù)等等。五、實驗結(jié)果文件1:packageputer;import;publicclasspuere*tendsJFrame{privateJPanelcontentPane;privateJTe*tFieldte*tField;privateJTe*tFieldte*tField_1;privateJTe*tFieldte*tField_2;privateJTe*tFieldte*tField_3;/** *Launchtheapplication. */publicstaticvoidmain(String[]args){ EventQueue.invokeLater(newRunnable(){publicvoidrun(){//運行程序時，點擊按鈕輸入公式，當(dāng)點擊等于號時顯示出計算結(jié)果try{ puerframe=newpuer(); frame.setVisible(true); Timetime=newTime(); time.setTime(frame.te*tField_3); Threadthread=newThread(time); thread.start(); }catch(E*ceptione){ e.printStackTrace(); } } }); }/** *Createtheframe.*/publicpuer(){ setTitle("\u8BA1\u7B97\u5668");setName("");finalStringBuffers=newStringBuffer(); setDefaultCloseOperation(JFrame.E*IT_ON_CLOSE); setBounds(100,100,412,448);contentPane=newJPanel();contentPane.setBorder(newEmptyBorder(5,5,5,5)); setContentPane(contentPane);contentPane.setLayout(null);te*tField=newJTe*tField();te*tField.setEnabled(false);te*tField.setLocale(Locale.UK);te*tField.setForeground(Color.PINK);te*tField.setTe*t("\u6B22\u8FCE\u4F7F\u7528\u8BA1\u7B97\u5668"te*tField.setBounds(10,20,368,30);contentPane.add(te*tField);te*tField.setColumns(10);te*tField_1=newJTe*tField();//文本框te*tField_1，顯示公式te*tField_1.setBounds(10,102,368,30);contentPane.add(te*tField_1);te*tField_1.setColumns(10);te*tField_2=newJTe*tField();//文本框te*tField_2.顯示計算結(jié)果te*tField_2.setBounds(10,142,368,30);contentPane.add(te*tField_2);te*tField_2.setColumns(10);te*tField_3=newJTe*tField();//文本框te*tField_3，顯示電子表te*tField_3.setForeground(newColor(205,133,63));te*tField_3.setBounds(10,60,368,30);contentPane.add(te*tField_3);te*tField_3.setColumns(10);//按鈕'清零',監(jiān)聽到按鈕后清零uttonbtnC=newutton("\u6E05\u96F6");btnC.setForeground(Color.RED); btnC.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){te*tField_1.setTe*t("");te*tField_2.setTe*t(""); s.delete(0,s.length()); } }); btnC.setBounds(10,182,183,44);contentPane.add(btnC);//按鈕'退格',監(jiān)聽到按鈕后退格 uttonbutton_16=newutton("\u9000\u683C"); button_16.setForeground(Color.RED); button_16.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.delete(s.length()-1,s.length()); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button_16.setBounds(193,182,185,44);contentPane.add(button_16);//按鈕'*',監(jiān)聽到按鈕后顯示* uttonbutton_1=newutton("*"); button_1.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.append('*'); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button_1.setBounds(285,271,93,44);contentPane.add(button_1);//按鈕'6',監(jiān)聽到按鈕后顯示6 uttonbutton_2=newutton("6"); button_2.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.append('6'); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button_2.setBounds(193,271,93,44);contentPane.add(button_2);//按鈕'5',監(jiān)聽到按鈕后顯示5 uttonbutton_3=newutton("5"); button_3.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.append('5'); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button_3.setBounds(100,271,93,44);contentPane.add(button_3);//按鈕'4',監(jiān)聽到按鈕后顯示4 uttonbutton_4=newutton("4"); button_4.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.append('4'); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button_4.setBounds(10,271,93,44);contentPane.add(button_4);//按鈕'-',監(jiān)聽到按鈕后顯示- uttonbutton_5=newutton("-"); button_5.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.append('-'); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button_5.setBounds(285,313,93,44);contentPane.add(button_5);//按鈕'3',監(jiān)聽到按鈕后顯示3 uttonbutton_6=newutton("3"); button_6.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.append('3'); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button_6.setBounds(193,313,93,44);contentPane.add(button_6);//按鈕'2',監(jiān)聽到按鈕后顯示2 uttonbutton_7=newutton("2"); button_7.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.append('2'); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button_7.setBounds(100,313,93,44);contentPane.add(button_7);//按鈕'1',監(jiān)聽到按鈕后顯示1 uttonbutton_8=newutton("1"); button_8.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.append('1'); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button_8.setBounds(10,313,93,44);contentPane.add(button_8);//按鈕'+',監(jiān)聽到按鈕后顯示+ uttonbutton_9=newutton("+"); button_9.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.append('+'); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button_9.setBounds(285,355,93,44);contentPane.add(button_9);//按鈕'=',點擊按鈕'=',將計算出結(jié)果********************************** uttonbutton_10=newutton("="); button_10.setForeground(Color.RED); button_10.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ Stringstr=s.toString(); Stringss=str; Stringinde*="[-]|[+]|[/]|[*]"; Stringnumber[]=str.split(inde*);intcount=number.length;doublenum[]=newdouble[count];for(inti=0;i<count;i++){ num[i]=Double.parseDouble(number[i]); }doubleresult=0;if(ss.contains("+")){ result=num[0];for(inti=1;i<count;i++){ result+=num[i]; } }if(ss.contains("-")){ result=num[0];for(inti=1;i<count;i++){ result-=num[i]; } }if(ss.contains("*")){ result=num[0];for(inti=1;i<count;i++){ result*=num[i]; } }if(ss.contains("/")){ result=num[0];for(inti=1;i<count;i++){if(num[i]==0){//除數(shù)等于0時，顯示錯誤信息te*tField_2.setTe*t("出錯");return; }else{ result/=num[i]; } } }//inti=(int)Math.round(result*100);//result=(double)i/100;te*tField_2.setTe*t(""+result); } }); button_10.setBounds(193,355,93,44);contentPane.add(button_10);//按鈕'.',監(jiān)聽到按鈕后顯示。. uttonbutton_11=newutton("."); button_11.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.append('.'); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button_11.setBounds(10,355,93,44);contentPane.add(button_11);//按鈕'0',監(jiān)聽到按鈕后顯示0 uttonbutton_12=newutton("0"); button_12.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.append('0'); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button_12.setBounds(100,355,93,44);contentPane.add(button_12);//按鈕'/',監(jiān)聽到按鈕后顯示/ uttonbutton=newutton("/"); button.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.append('/'); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button.setBounds(285,227,93,44);contentPane.add(button);//按鈕'9',監(jiān)聽到按鈕后顯示9 uttonbutton_13=newutton("9"); button_13.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){ s.append('9'); Stringstr=s.toString();te*tField_1.setTe*t(str); } }); button_13.setBounds(193,227,93,44);contentPane.add(button_13);//按鈕'8',監(jiān)聽到按鈕后顯示8 uttonbutton_14=newutton("8"); button_14.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEvente){