《界面 代码》由会员分享,可在线阅读,更多相关《界面 代码(10页珍藏版)》请在金锄头文库上搜索。
1、本文格式为Word版,下载可任意编辑界面 代码 六、界面,代码 1.权限界面 1数据库联接公共片面 public static Connection conn = null; public static Statement state = null; public static void odbc() String DBDriver = String connectionStr = try Class.forName(DBDriver); catch(java.lang.ClassNotFoundException e)System.err.println( try conn = Driver
2、Manager.getConnection(connectionStr, state = conn.createStatement(); catch(SQLException ex) System.err.println( 2 刷卡选择片面 /= 刷卡界面= if(this.jRadioButton2.isSelected() this.setVisible(false); JOptionPane.showMessageDialog(null,接待进入刷卡界面! Spend.main(null); /= 管理员界面= if(this.jRadioButton1.isSelected() Str
3、ing nstr,pstr,sql; nstr = this.jTextField1.getText(); pstr = this.jTextField2.getText(); sql = ResultSet rs =null; try rs = Main.state.executeQuery(sql); if(rs.next() if(pareTo(rs.getString( this.setVisible(false); JOptionPane.showMessageDialog(null,接待进入管理员界面! Admin.main(null); else JOptionPane.show
4、MessageDialog(null,密码错误 elseJOptionPane.showMessageDialog(null,用户名错误 catch(SQLException ex) System.err.println( /= 学生查询界面= if(this.jRadioButton3.isSelected() this.setVisible(false); JOptionPane.showMessageDialog(null,接待进入学生查询界面! StuInfo.main(null); 2提示界面 3消费界面 1 探寻片面 if(Ids.getText().equals( JOption
5、Pane.showMessageDialog(null,卡号不能为空! Ids.setFocusable(true); else try String sql = * from card_info where id = ResultSet rs = Main.state.executeQuery(sql); if(rs.next() if(rs.getBoolean(3) JOptionPane.showMessageDialog(null,卡已经被锁,如要解锁,请与管理员联系否那么10日后 自动注销! else if(DjCheck.isSelected() Sum.setText(rs.g
6、etString(2); this.result=String.valueOf(Integer.parseInt(Sum.getText()-Integer.parseInt(Dingjia.getText(); JOptionPane.showMessageDialog(null,消费完毕,卡剩余result +。假设要持续消费请在10秒内操作,只后自动关闭帐户 Sum.setText(result); else Ids.setEditable(false); this.jButton26.setEnabled(false); this.jPanel1.setVisible(true); S
7、um.setText(rs.getString(2); jButton12.setEnabled(true); jButton13.setEnabled(true); jButton14.setEnabled(true); jButton15.setEnabled(true); else JOptionPane.showMessageDialog(null,卡号错误! catch(SQLException ex) System.err.println( 2 消费片面 try this.result=String.valueOf(Integer.parseInt(Sum.getText() -
8、Integer.parseInt(Now.getText(); String sql = if(Main.state.executeUpdate(sql)=0) JOptionPane.showMessageDialog(null,消费失败 else this.nows =Now.getText(); this.sums =Sum.getText(); JOptionPane.showMessageDialog(null,消费完毕,卡剩余。假设要持续消费请在10秒内操作,只后自动关闭帐户 Sum.setText(result); catch(SQLException ex) System.er
9、r.println( 3 加减乘片面 if(Jisuan.getText().compareTo( Jisuan.setText(Now.getText(); Now.setText( else switch(ops) case 3: int a= 0; a=Integer.parseInt(Jisuan.getText() * Integer.parseInt(Now.getText(); if(a999) JOptionPane.showMessageDialog(null,计算量超过消费最大值! else Jisuan.setText(String.valueOf(Integer.parseInt(Jisuan.getText() Integer.parseInt(Now.getText(); Now.setText(Jisuan.getText(); break; case 2: int b=0;