【正文】 ContentPane().setLayout(borderLayout)。//創(chuàng)建布局管理器setDefaultCloseOperation()。public BookLogin(){super()。private JButton login。//用戶名private JPasswordField password。} }//系統(tǒng)登錄模塊設(shè)計public class BookLogin extends JFrame { private static final Operater Type=null。}public String getReaderName(){return readerName。}public String getReader_id(){return reader_id。} public String getBook_id(){return book_id。} public String getOperatorId(){return operatorId。} public string getBorrowDate(){ return borrowDate。} public String getBookname(){ return bookname。} public string getBackDate(){ return backDate。} public int getTypeId(){ return typeid。private int id； public int getId(){ return id。//讀者姓名 private String reader_id。//圖書借閱時間private String backDate。//圖書名稱private String operatorId。} } public class Back//圖書歸還信息類 { private String book_id。} public int getId(){return id。} public String getReader_id(){return reader_id。} public String getBook_id(){return book_id。} public String getNum(){return num。} public string getBorrowDate(){return borrowDate。} public string getBackDate(){return backDate。//圖書名稱public String getBookname(){return bookname。//借書日期private String backDate。//讀者編號private String num。//借閱編號private String book_id。} public void setPassword(String password){=password。} public void setName(String name){=name。} public void setId(String id){=id。} public void setGrade(String grade){=grade。} public void setType(String type){=type。//操作員密碼private String type。//操作員用戶名private String grade。} } public class Operater { private String id。} public void setOperator(String operator){=operator；} public String getZk(){return zk。} public void setNumber(String number){ =number。} public void setBook_id(String book_id){ =book_id。} public void setDate(Date date){ =date。} public void setcheckAndAccept(String checkAndAccept){ =checkAndAccept。//是否收到貨 private String zk。//圖書數(shù)量 private String operator。//圖書編號 private Date date。} public void setTypeName(String typeName){=typeName。} public void setId(String id){=id。} public void setDays(String days){=days。} public void setFk(String fk){=fk。//可解天數(shù)private String fk。//圖書類別編號private String typeName。} public void setWriter(String writer){=writer。} public void setTypeid(String typeid){ =typeid。} public void setTranslator(String translator){ =translator。} public void setPublisher(String publisher){ =Publisher。} public void setprice(Double price){ =price。} public void setBook_id(String Book_id){ =Book_id。} public void setDate(Date date){=date。} public void setBookname(String bookname){=bookname。//圖書單價private String getBookname。//出版社private Date date。//作者private String translator。//圖書編號private String typeid。}finally{conn=null。}finally{} } public static void close()//關(guān)閉方法 {try{()。//執(zhí)行更新}}catch(SQLException e){()。//返回null值}finally{} } public static int executeUpdata(String sql)//更新方法{try{if(conn==null){new Business()。//執(zhí)行查詢}}catch(SQLException e){()。} } public static ResultSet executeQuery(String sql)//執(zhí)行查詢方法{try{//如果連接對象為空，則重新調(diào)用構(gòu)造方法if(conn==null){new Business()。//加載驅(qū)動類信息conn=(dbUr1,dbUser,dbPwd)。//數(shù)據(jù)庫密碼private static Connection conn=null。//連接URL protected static String dbUser=“root”。} public class Business { protected static String dbClassName=“”。//顯示提示文本(ExitButton)。//創(chuàng)建圖標(biāo)方法(Exiticon)。//添加到工具欄JButton ExitButton=new JButton()。//設(shè)置按鈕圖標(biāo)(true)。//讀者信息修改按鈕ImageIcon readerModiAndDelicon=(“”)。//顯示提示文本(readerAddButton)。//創(chuàng)建圖標(biāo)方法(readerAddicon)。//添加到工具欄JButton readerAddButton=new JButton()。//設(shè)置按鈕圖標(biāo)(true)。//驗收新書按鈕ImageIcon bookCheckicon=(“”)。//顯示提示文本(bookOrderButton)。//創(chuàng)建圖標(biāo)方法(bookOrdericon)。//添加到工具欄JButton bookOrderButton=new JButton()。//設(shè)置按鈕圖標(biāo)(true)。//圖書借閱按鈕ImageIcon bookBorrowicon=(“”)。//顯示提示文本(bookTypeAddButton)。//創(chuàng)建圖標(biāo)方法(bookTyp