【正文】 ssageDialog null 修改失敗 警告 1 return false JOptionPaneshowMessageDialog null 恭喜您修改成功 恭喜 1 return true 顯示模塊 eusermgr 用戶添加核心代碼 顯示用戶添加界面 JPanel editPanel new JPanel editPanelsetBorder BorderFactorycreateTitledBorder 添加 用戶 editPanelsetLayout new GridLayout 21 JPanel upPanel new JPanel upPanelsetBorder BorderFactorycreateTitledBorder 用戶信息 upPanelsetLayout new GridLayout 31 JPanel jp1 new JPanel JPanel jp2 new JPanel JPanel jp3 new JPanel jp1add new JLabel 用戶名 username new JTextField 8 password new JPasswordField 8 password2 new JPasswordField 8 jp1add username upPaneladd jp1 jp2add new JLabel 密碼 jp2add password jp3add new JLabel 再次密碼 jp3add password2 upPaneladd jp2 upPaneladd jp3 editPaneladd upPanel JPanel addUserSubmitPanel new JPanel JButton addUserSubmitBtn new JButton 提交 JButton addUserCancelBtn new JButton 取消 addUserSubmitPaneladd addUserSubmitBtn addUserSubmitPaneladd addUserCancelBtn editPaneladd addUserSubmitPanel addUserSubmitBtnaddActionListener new addUserSubmitListener addUserCancelBtnaddActionListener new addUserCancelListener add editPanelBorderLayoutCENTER 提交用戶添加時執(zhí)行的操作 public class addUserSubmitListener implements ActionListener public void actionPerformed ActionEvent e Sytln passwordgetText trim if passwordgetText trim equals passwordgetText trim equals password2getText trim JOptionPaneshowMessageDialog null 輸入不正確 警告 1 else User user new User usersetUsername usernamegetText trim usersetPassword passwordgetText trim usersetRank 0 UserDao ud new UserDao udregeist user 用戶修改的核心代碼 核心代碼 JPanel editPanel new JPanel editPanelsetLayout new GridLayout 02 editPanelsetBorder BorderFactorycreateTitledBorder 修改用戶 JPanel leftPanel new JPanel leftPanelsetLayout new GridLayout 01 leftPanelsetBorder BorderFactorycreateTitledBorder 用戶列表 UserDao ud new UserDao userlist new JList udfindUser leftPaneladd new JScrollPane userlist 22 31 userlistaddListSelectionListener new userlistListener editPaneladd leftPanel JPanel rightPanel new JPanel rightPanel new JPanel new BorderLayout rightPanelsetBorder BorderFactorycreateTitledBorder 用戶信息 rightPanelsetLayout new FlowLayout unfld new JTextField 8 pwdfld new JTextField 8 rankfld new JTextField 8 JPanel jPanel1 new JPanel new GridLayout 0 1 jPanel1add new JLabel 用戶名 jPanel1add new JLabel 密碼 jPanel1add new JLabel 權(quán)限 JPanel jPanel2 new JPanel new GridLayout 0 1 jPanel2add unfld jPanel2add pwdfld jPanel2add rankfld rightPaneladd jPanel1 West rightPaneladd jPanel2 East editPaneladd rightPanel add editPanelBorderLayoutCENTER JPanel modifyUserSubmitPanel new JPanel JButton modifyUserSubmitBtn new JButton 修改用戶 modifyUserSubmitPaneladd modifyUserSubmitBtn add modifyUserSubmitPanelBorderLayoutSOUTH 監(jiān)聽器 public class modifyUserSubmitListener implements ActionListener public void actionPerformed ActionEvent e if username null usernameequals JOptionPaneshowMessageDialog null 未選中用戶 警告 1 else int i JOptionPaneshowConfirmDialog null 是否修改該用戶 修改將無法恢復 警告 0 if i 1 return UserDao ud new UserDao User user new User usersetUsername unfldgetText trim usersetPassword pwdfldgetText trim if rankfldgetText trim equals 系統(tǒng)管理員 usersetRank 1 else usersetRank 0 udmodify user 圖 53 銷售界面 關鍵代碼如下點擊銷售時系統(tǒng)執(zhí)行的操作 DAO 中的處理 public boolean sales SalesOrder so Connection conn DBgetConn Statement stmt DBgetStatement conn String sql insert into salesorder values sogetSoid sogetMid sogetMname sogetNum sogetPrice Sytln sql try stmtexecuteUpdate sql catch SQLException e eprintStackTrace return false return true esalesMgr 包中執(zhí)行的操作 public class buyListener implements ActionListener public void actionPerformed ActionEvent e for int n 0n orderlengthn if order[n] null order[n]equals String msg order[n] StringTokenizer stnizer new StringTokenizer msg int i1 IntegerparseInt stnizernextToken String name1 stnizernextToken String pricestr stnizernextToken StringTokenizer stnizerprice new StringTokenizer pricestr 元 float price1 FloatparseFloat stnizerpricenextToken SalesOrder sod new SalesOrder sodsetSoid name1 sodsetMid name1 sodsetMname name1 sodsetNum 1 sodsetPrice price1 SalesOrderDao sodao new SalesOrderDao sodaoregeist sod StockDao stockdao new StockDao stockdaomodifyNum name1 stocklistsetListData stockdaofindStock JOptionPaneshowMessageDialog null 銷售成功了 警告 1 54 進貨管理模塊 圖 54 藥品管理界面 核心代碼 添加藥品及加入庫存 添加藥品 Dao 中 public boolean regeist Medicine medicine Connection conn DBgetConn Statement stmt DBgetStatement conn String sql insert into medicine values medicinegetMid medicinegetMname medicinegetMshortname medicinegetMnors medicinegetMarea medicinegetMlot medicinegetMinpri medicinegetMwpri medicinegetMrpri medicinegetMcon medicinegetMcate medicinegetMusetime medicinegetMemo Sytln sql try stmtexecuteUpdate sql catch SQLException e eprintStackTrace JOption