/課程論文現代軟件工程與實踐題目：ATM柜員機模擬程序學院（系）：信息工程學院專業班級：學生姓名：指導教師：2011年12月4日摘要通過設計ATM柜員模擬程序，加深自己對Java編程尤其是對Java圖形用戶界面編程的了解，將自己的學到的編程知識融會貫通，同時培養自身面向對象軟件開發的思維，初步了解軟件開發的一般流程，提高用Java實際動手能力并增強自己對面向對象的了解。通過這次編程設計，加深了對Java圖形界面編程中各個模塊和組件的應用了解，以與類和類之間的關系，界面排版的處理等。設計要求是，當輸入給定的卡號和密碼（初始卡號和密碼為123456）時，系統能登錄ATM柜員機系統，用戶可以按照以下規則進行（規則可以按照實際系統做需求）：（1）查詢余額：初始余額為10000元。（2）ATM取款：每次取款金額為100的倍數，總額不超過5000元，支取金額不允許透支。（3）ATM存款：不能出現負存款。（4）修改密碼：新密碼長度不小于6位，不允許出現6位完全相同的情況，只有舊密碼正確，新密碼符合要求，且兩次輸入相同的情況下才可以成功修改密碼。該程序設置了7個類，1個主類6個輔助類，6個輔助類都是內部類的形式，輔助類包括五個實現ATM的功能，一個存放客戶資料，之所以用內部類來實現是為了在各個界面轉換時不至于要創建多個對象，每一個輔助類的對象只要在主類中創建一次就可以在各個內部類中引用。該程序利用的功能是利用Java事件監聽技術來實現的，各種功能單獨的創建一個類來實現，不會互相混淆，更加容易理清楚思路。設計的程序完美的實現了設計要求，具有查詢、取款、存款、修改密碼等功能。目錄摘要 I目錄 II1前言 11.1設計任務 11.1.1需求說明 11.2設計內容 12程序要求 13算法分析 24流程圖 35程序源代碼與說明 45.1程序源代碼 45.2源代碼說明 215.2.1源代碼中自定義類的說明： 215.2.2源代碼中的事件監聽器 226調試與運行結果 237體會 298參考文獻 301前言1.1設計任務1.1.1需求說明隨著市場經濟的繁榮發展，人們的物質生活得到極大的提高，手中的剩余資金也日益增多。受傳統觀念影響，絕大多數人喜歡把資金投進銀行，而在需要使用現金的時候再到銀行提取現金。這就導致銀行業務的急劇增加。雖然銀行網點越來越多，銀行的工作效率也隨著信息化有較明顯的增長，但是依舊不能滿足廣大用戶的需要。而一味的增加營業網點，從理論上雖然能稍微的緩解銀行的壓力，但是治標不治本，而且每增加一個網點，不僅要付出昂貴的資金成本，還需要長期投入人力資本，成本非常之昂貴。這時候就迫切的需要一種自動的，易于普與的，低成本的設備來解決這一問題。于是ATM機系統應運而生了。本文正是通過設計一個ATM模擬模擬程序來實現ATM機系統的基本功能，充分運用自己所學的Java知識進行設計編程。1.2設計內容（1）程序要求（2）算法分析（3）流程圖（4）源程序（5）調試與運行結果（6）體會2程序要求本ATM柜員機的主要功能如下所述：要求使用圖形用戶界面。當輸入給定的卡號和密碼（初始卡號和密碼為123456）時，系統能登錄ATM柜員機系統，用戶可以按照以下規則進行：查詢余額：初始余額為10000元。ATM取款：每次取款金額為100的倍數，總額不超過5000元，支取金額不允許透支。ATM存款：不能出現負存款。修改密碼：新密碼長度不小于6位，不允許出現6位完全相同的情況，只有舊密碼正確，新密碼符合要求，且兩次輸入相同的情況下才可以成功修改密碼。3算法分析通過程序要求，我們可以清楚的知道本次設計的ATM柜員模擬程序需要實現四大功能，即查詢余額、取款、存款、修改密碼。初次之外，作為ATM系統，還需要最基本的兩大功能，即登陸和退出。根據上述的功能分析，我們可以吧整個ATM系統分為登陸模塊、查詢模塊、取款模塊、存款模塊、修改密碼模塊。除此之外，還有在登陸系統后的功能選擇模塊，退出功能則鑲嵌在各個需要的模塊中。由于各個模塊的功能實現是通過界面顯示出來的，則程序設計又可以理解為幾大界面的設計：登陸界面、主界面、查詢余額界面、取款界面、存款界面、修改密碼界面。除了幾大界面之外，還有系統的初始化，主要是初始卡號、密碼的設定等。在程序的大體框架確定之后，我們需要了解各個模塊所要實現和需要具有的功能。根據現有的銀行ATM系統，我們可以很快就可以了解本次設計的ATM系統應該具有的操作。（1）登陸界面用戶輸入正確的賬號和密碼就可以登錄到該系統的主界面中去，進行相應的操作：取款、存款、查詢、修改密碼。（2）主界面主界面包括查詢、存款、取款、修改密碼、退出的功能按鈕，按下相應的按鈕，可以進行相應的操作。（3）查詢界面在主界面中按下查詢按鈕可以進行查詢操作。通過查詢功能我們可以查詢賬戶的余額，在查詢過程中我們可以選擇取款的業務，除此之外，查詢界面之中還有返回和退出的操作。返回的操作會使用戶回到主界面，退出的操作會使用戶直接回到登陸界面。（4）取款界面取款界面既可以通過主界面進入，也可以通過查詢、存款等操作過程中的界面進入。取款功能在對話框中輸入你想要取出的金額，但是次金額不可以比賬戶的余額大，且必須是100的整數倍，取款完畢，會彈出是否顯示余額的提示，選“是”的話就會進入查詢界面，選“否”的話，則回到主界面。（5）存款界面在主界面按下存款按鈕可以進行存款操作，在對話中輸入你需要存入的金額，所輸入的數字也要是100的整數倍，而且不可以是負數。存款完畢，會彈出是否顯示余額的提示，選“是”的話就會進入查詢界面，選“否”的話，則回到主界面。（6）修改密碼選擇修改密碼按鈕可以進行修改密碼房，但是要先輸入就密碼正確并且兩次輸入新密碼一致才可以修改密碼。修改完成后，會返回主界面。4流程圖圖1程序流程圖5程序源代碼與說明5.1程序源代碼importjavax.swing.*;importjavax.swing.JOptionPane;importjava.awt.event.*;publicclassATMmodel{Accountmyaccount=newAccount();Loadload=newLoad();MainFrameJmain=newMainFrame();Taketake=newTake();Inputinput=newInput();Displaydis=newDisplay();Setpwsetpw=newSetpw();publicATMmodel(){JOptionPane.showMessageDialog(null,"歡迎使用ATM柜員模擬系統"); }publicstaticvoidmain(String[]args){ATMmodelatm=newATMmodel();}/*創建賬戶*/classAccount{privateintcount=10000;//初始賬戶余額10000privateStringaccount="123456";//初始賬號privateStringpassword="123456";//初始密碼publicAccount(){}publicvoidsetpw(Stringpassword){this.password=password;}publicvoiddeccount(intmoney){count-=money;}publicvoidreccount(intmoney){count+=money; }publicintget(){returncount;}publicStringgetaccount(){//賬號returnaccount;}publicStringgetpw(){returnpassword; }}/* 主界面*/classMainFrameextendsJFrame{publicJButtonchecked;publicJButtoncunkuan;publicJButtonquit;publicJButtonqukuan;publicJButtonreset;publicMainFrame(){initComponents();this.setLocationRelativeTo(null);//this.setVisible(false);}/*控件初始化*/ privatevoidinitComponents(){cunkuan=newJButton();qukuan=newJButton();checked=newJButton();reset=newJButton();quit=newJButton(); setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);setTitle("ATM柜員模擬程序"); setName("mianframe");setResizable(false);cunkuan.setText("存款");cunkuan.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEventevt){cunkuanActionPerformed(evt);}}); qukuan.setText("取款");qukuan.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEventevt){qukuanActionPerformed(evt);}}); checked.setText("查詢");checked.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEventevt){checkedActionPerformed(evt);}}); reset.setText("修改密碼");reset.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEventevt){resetActionPerformed(evt);}}); quit.setText("退出");quit.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEventevt){quitActionPerformed(evt);}}); GroupLayoutlayout=newGroupLayout(getContentPane());//GroupLayout它將組件按層次分組，以決定它們在Container中的位置getContentPane().setLayout(layout);layout.setHorizontalGroup(layout.createParallelGroup(GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addContainerGap().addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addComponent(cunkuan).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED,105,Short.MAX_VALUE).addComponent(reset)).addGroup(javax.swing.GroupLayout.Alignment.TRAILING,layout.createSequentialGroup().addComponent(qukuan).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED,143,Short.MAX_VALUE).addComponent(quit)).addComponent(checked)).addContainerGap()));layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addGap(46,46,46).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(cunkuan).addComponent(reset)).addGap(51,51,51).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(quit).addComponent(qukuan)).addGap(57,57,57).addComponent(checked).addGap(39,39,39)));pack();}privatevoidquitActionPerformed(ActionEventevt){ load.setVisible(true);this.setVisible(false);}privatevoidresetActionPerformed(ActionEventevt){ setpw.setVisible(true); this.setVisible(false); }privatevoidcheckedActionPerformed(ActionEventevt){dis.setVisible(true);this.setVisible(false);}privatevoidqukuanActionPerformed(ActionEventevt){take.setVisible(true);this.setVisible(false);}privatevoidcunkuanActionPerformed(ActionEventevt){ input.setVisible(true); this.setVisible(false);}}/*登錄界面*/classLoadextendsJFrame{ publicJPasswordFieldJpassword;publicJTextFieldaccountnum;publicJButtoncommit;privateJLabeljL1;privateJLabeljL2;publicLoad(){initComponents();this.setLocationRelativeTo(null);this.setVisible(true);} privatevoidinitComponents(){jL1=newJLabel();jL2=newJLabel();accountnum=newJTextField();commit=newJButton();Jpassword=newJPasswordField();setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);setTitle("ATM柜員模擬程序");setResizable(false);jL1.setText("賬號:");jL2.setText("密碼:");commit.setText("確定");commit.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){commitActionPerformed(evt);}});javax.swing.GroupLayoutlayout=newjavax.swing.GroupLayout(getContentPane());getContentPane().setLayout(layout);layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addContainerGap(50,Short.MAX_VALUE).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING).addComponent(jL1).addComponent(jL2)).addGap(31,31,31).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING,false).addComponent(Jpassword).addComponent(accountnum,javax.swing.GroupLayout.DEFAULT_SIZE,143,Short.MAX_VALUE))).addGroup(layout.createSequentialGroup().addGap(122,122,122).addComponent(commit))).addContainerGap(72,Short.MAX_VALUE)));layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addGap(85,85,85).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(accountnum,javax.swing.GroupLayout.PREFERRED_SIZE,javax.swing.GroupLayout.DEFAULT_SIZE,javax.swing.GroupLayout.PREFERRED_SIZE).addComponent(jL1)).addGap(41,41,41).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(jL2).addComponent(Jpassword,javax.swing.GroupLayout.PREFERRED_SIZE,javax.swing.GroupLayout.DEFAULT_SIZE,javax.swing.GroupLayout.PREFERRED_SIZE)).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED,72,Short.MAX_VALUE).addComponent(commit).addGap(64,64,64)));pack();}privatevoidcommitActionPerformed(ActionEventevt){ if(accountnum.getText().equals(myaccount.getaccount())&&Jpassword.getText().equals(myaccount.getpw())) { Jmain.setVisible(true); this.setVisible(false); accountnum.setText(""); Jpassword.setText(""); } else{ JOptionPane.showMessageDialog(null,"密碼與賬戶不匹配,請重新輸入","出錯提示",1); accountnum.setText(""); Jpassword.setText(""); }}}/*取款界面*/classTakeextendsJFrame{ publicJButtonback;publicJButtonclear;publicJButtoncommit;privateJLabeljL1;publicJTextFieldjT1;publicJButtonquit; Stringstr="";publicTake(){initComponents();this.setLocationRelativeTo(null);this.setVisible(false);}privatevoidinitComponents(){jL1=newJLabel();jT1=newJTextField();commit=newJButton();back=newJButton();quit=newJButton();clear=newJButton();setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);jL1.setText("取款金額:");commit.setText("確定");commit.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEventevt){commitActionPerformed(evt);}});back.setText("返回");back.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEventevt){backActionPerformed(evt);}});quit.setText("退出");quit.addActionListener(newActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){quitActionPerformed(evt);}});clear.setText("清除");clear.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEventevt){clearActionPerformed(evt);}});javax.swing.GroupLayoutlayout=newjavax.swing.GroupLayout(getContentPane());getContentPane().setLayout(layout);layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addGap(41,41,41).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addComponent(jL1).addGap(33,33,33).addComponent(jT1,javax.swing.GroupLayout.PREFERRED_SIZE,174,javax.swing.GroupLayout.PREFERRED_SIZE)).addGroup(layout.createSequentialGroup().addComponent(clear).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED,147,Short.MAX_VALUE).addComponent(quit)).addGroup(layout.createSequentialGroup().addComponent(commit).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED,147,Short.MAX_VALUE).addComponent(back))).addContainerGap(69,javax.swing.GroupLayout.PREFERRED_SIZE)));layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addGap(103,103,103).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(jL1).addComponent(jT1,javax.swing.GroupLayout.PREFERRED_SIZE,javax.swing.GroupLayout.DEFAULT_SIZE,javax.swing.GroupLayout.PREFERRED_SIZE)).addGap(61,61,61).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(commit).addComponent(back)).addGap(29,29,29).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(clear).addComponent(quit)).addContainerGap(65,Short.MAX_VALUE)));pack();}privatevoidclearActionPerformed(ActionEventevt){ str="";jT1.setText(str);}privatevoidquitActionPerformed(ActionEventevt){ load.setVisible(true); this.setVisible(false); }privatevoidbackActionPerformed(ActionEventevt){ Jmain.setVisible(true); this.setVisible(false);}privatevoidcommitActionPerformed(ActionEventevt){ if(Integer.parseInt(jT1.getText())>0&&Integer.parseInt(jT1.getText())%100==0&&Integer.parseInt(jT1.getText())<=5000){myaccount.deccount(Integer.parseInt(jT1.getText()));intresult=javax.swing.JOptionPane.showConfirmDialog(null,"是否顯示余額？","",javax.swing.JOptionPane.YES_NO_OPTION,javax.swing.JOptionPane.QUESTION_MESSAGE);if(result==javax.swing.JOptionPane.YES_OPTION){dis.set(String.valueOf(myaccount.get()));str=""; jT1.setText(str);dis.setVisible(true);this.setVisible(false);}else{Jmain.setVisible(true);this.setVisible(false);}}else{JOptionPane.showMessageDialog(null,"取款金額不能為負數"+"\n取款金額不能為0"+"\n取款金額必須是100的倍數"+"\n金額一次不能超過5000"+"\n請重新輸入你要取的金額數","出錯提示",1);str="";jT1.setText(str);}}}/*存款界面*/classInputextendsJFrame{ privateJButtonclear;privateJButtoncommit;privateJLabeljL1;privateJTextFieldjT1;Stringstr="";publicInput(){initComponents();this.setLocationRelativeTo(null);this.setResizable(false);this.setVisible(false);}privatevoidinitComponents(){jL1=newJLabel();jT1=newJTextField();commit=newJButton();clear=newJButton();setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);jL1.setText("存款金額:");commit.setText("確認");commit.addActionListener(newActionListener(){publicvoidactionPerformed(ActionEventevt){commitActionPerformed(evt);}});clear.setText("清除");clear.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){clearActionPerformed(evt);}});javax.swing.GroupLayoutlayout=newjavax.swing.GroupLayout(getContentPane());getContentPane().setLayout(layout);layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addGap(47,47,47).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addGap(12,12,12).addComponent(commit).addGap(111,111,111).addComponent(clear)).addGroup(layout.createSequentialGroup().addComponent(jL1).addGap(27,27,27).addComponent(jT1,javax.swing.GroupLayout.PREFERRED_SIZE,151,javax.swing.GroupLayout.PREFERRED_SIZE))).addContainerGap(50,Short.MAX_VALUE)));layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addGap(88,88,88).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(jL1).addComponent(jT1,javax.swing.GroupLayout.PREFERRED_SIZE,javax.swing.GroupLayout.DEFAULT_SIZE,javax.swing.GroupLayout.PREFERRED_SIZE)).addGap(87,87,87).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(clear).addComponent(commit)).addContainerGap(88,Short.MAX_VALUE)));pack();}//</editor-fold>privatevoidclearActionPerformed(ActionEventevt){str="";jT1.setText(str);}privatevoidcommitActionPerformed(java.awt.event.ActionEventevt){ if(Integer.parseInt(jT1.getText())%100==0) { inta=Integer.parseInt(jT1.getText()); if(a<0) JOptionPane.showMessageDialog(null,"存款不能為負數","出錯",1); else myaccount.reccount(a); dis.set(String.valueOf(myaccount.get())); intresult=javax.swing.JOptionPane.showConfirmDialog(null,"是否顯示余額？","",javax.swing.JOptionPane.YES_NO_OPTION,javax.swing.JOptionPane.QUESTION_MESSAGE);if(result==javax.swing.JOptionPane.YES_OPTION){str=""; jT1.setText(str);dis.setVisible(true);this.setVisible(false);}else{Jmain.setVisible(true);this.setVisible(false);} } else { JOptionPane.showMessageDialog(null,"存款金額必須為100的整數倍!"+"\n請確認你的金額","出錯提示",1); jT1.setText(""); }}}/*顯示余額界面*/classDisplayextendsJFrame{ publicJButtonback;privateJLabeljL1;publicJTextFieldjT1;publicJButtonquit;publicJButtonqukuan;publicDisplay(){initComponents();jT1.setText(String.valueOf(myaccount.get()));this.setLocationRelativeTo(null);this.setVisible(false);}publicvoidset(Stringstr){jT1.setText(str);}privatevoidinitComponents(){jL1=newJLabel();jT1=newJTextField();quit=newJButton();back=newJButton();qukuan=newJButton();setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);jL1.setText("您的余額為:");jT1.setEditable(false);quit.setText("退出");quit.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){quitActionPerformed(evt);}});back.setText("返回");back.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){backActionPerformed(evt);}});qukuan.setText("取款");qukuan.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){qukuanActionPerformed(evt);}});javax.swing.GroupLayoutlayout=newjavax.swing.GroupLayout(getContentPane());getContentPane().setLayout(layout);layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addGap(27,27,27).addComponent(jL1).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED,javax.swing.GroupLayout.DEFAULT_SIZE,Short.MAX_VALUE).addComponent(jT1,javax.swing.GroupLayout.PREFERRED_SIZE,143,javax.swing.GroupLayout.PREFERRED_SIZE).addContainerGap(36,Short.MAX_VALUE)).addGroup(javax.swing.GroupLayout.Alignment.TRAILING,layout.createSequentialGroup().addContainerGap(215,Short.MAX_VALUE).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING).addComponent(back).addComponent(qukuan).addComponent(quit)).addContainerGap()));layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addGap(93,93,93).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE).addComponent(jL1).addComponent(jT1,javax.swing.GroupLayout.PREFERRED_SIZE,javax.swing.GroupLayout.DEFAULT_SIZE,javax.swing.GroupLayout.PREFERRED_SIZE)).addGap(54,54,54).addComponent(qukuan).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(back).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED).addComponent(quit).addContainerGap()));pack();}privatevoidqukuanActionPerformed(ActionEventevt){take.setVisible(true);this.setVisible(false);}privatevoidquitActionPerformed(ActionEventevt){ load.setVisible(true); this.setVisible(false);}privatevoidbackActionPerformed(ActionEventevt){ Jmain.setVisible(true); this.setVisible(false);}}/**修改密碼*/classSetpwextendsJFrame{publicJButtoncommit;publicJLabelcommitpw;publicJPasswordFieldjPwcommit;publicJPasswordFieldjPwnew;publicJPasswordFieldjPwold;publicJLabelnewpw;publicJLabeloldpw;publicJButtonquit;publicSetpw(){initComponents();this.setResizable(false);this.setLocationRelativeTo(null);//this.setVisible(false);}privatevoidinitComponents(){oldpw=newJLabel();newpw=newJLabel();commitpw=newJLabel();jPwold=newJPasswordField();jPwnew=newJPasswordField();jPwcommit=newJPasswordField();commit=newjavax.swing.JButton();quit=newjavax.swing.JButton();setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);oldpw.setText("舊密碼:");newpw.setText("新密碼:");commitpw.setText("確認密碼:");commit.setText("確認");commit.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){commitActionPerformed(evt);}});quit.setText("退出");quit.addActionListener(newjava.awt.event.ActionListener(){publicvoidactionPerformed(java.awt.event.ActionEventevt){quitActionPerformed(evt);}});javax.swing.GroupLayoutlayout=newjavax.swing.GroupLayout(getContentPane());getContentPane().setLayout(layout);layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGroup(layout.createSequentialGroup().addGap(46,46,46).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addComponent(oldpw).addComponent(newpw).addComponent(commitpw)).addGap(25,25,25).addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING,false).addGroup(layout.createSequentialGroup().addComponent(commit).addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED,javax.swing.GroupLayout.DEFAULT_SIZE,Short.MAX_VALUE).addComponent(quit)).addComponent(jPwnew,javax.swing.GroupLayout.DEFAULT_SIZE,180,Short.MAX_VALUE).addComponent(jPwold).addComponent(jPwcommit)).addContainerGap(48,Short.MAX_VALUE)));layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignme