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Java写图书管理系统(二、注册页面)

Java写图书管理系统(二、注册页面)

作者: cce5ac8fdafb | 来源:发表于2019-07-29 20:46 被阅读0次

    上篇我们写了登录页面,没账号怎么登录呢?肯定就需要注册页面啦~~~~~~

    二、注册页面(

    若注册信息没有填写完整,直接点击注册按钮,会提示填写完整信息的提示框!~~~~~

    image

    若注册信息填写错误较多,可以点击重置按钮一键清空信息框,重新填写~~~~~~~~~

    image image

    若注册过程中,两次输入密码不同,则弹出提醒框~~~~~~~~~~~

    image

    若注册的账号已经注册过,则提示重新注册或者直接登录!~~~~~

    image

    若所有信息符合要求,则成功注册!!!!!!!!!!!!!!!!!!!

    image

    效果展示完毕,话不多说,看代码~~~~~~~~~~~~~~~~

    package Library;
    
    import java.awt.BorderLayout;
    import java.awt.FlowLayout;
    import java.awt.Font;
    import java.awt.event.ActionEvent;
    import java.awt.event.ActionListener;
    
    import javax.swing.ButtonGroup;
    import javax.swing.JButton;
    import javax.swing.JComboBox;
    import javax.swing.JFrame;
    import javax.swing.JLabel;
    import javax.swing.JOptionPane;
    import javax.swing.JPanel;
    import javax.swing.JPasswordField;
    import javax.swing.JRadioButton;
    import javax.swing.JTextField;
    
    class Register extends JFrame implements ActionListener{
    
        //按钮
        private JButton btnRegister,btnReset,btnCancel;
        //标签
        private JLabel Num,jLabelNum,Name,jLabelName,UserName,jLabelUserName,jLabelPwd,jLabelSurePwd,jLabelSex,jLabelAge,jLabelClass;//学号,姓名,用户名,密码,确认密码,性别,年龄,所属班级
        //用户名文本框
        private JTextField jtNum,jtName,jtUserName,jtAge;
        //密码文本框
        private JPasswordField jtPwd,jtSurePwd;
        //性别选项
        private JRadioButton man,woman;
        //班级下拉菜单
        private JComboBox jtClass;
        //下拉框
        private JComboBox jcb;
    
        //创建窗口
        public Register(String string){
            this.setTitle("用户注册");
            //Container cp = this.getContentPane();
            //cp.setLayout(new BorderLayout());
    
            this.setLayout(new FlowLayout());
    
            UserName = new JLabel("      用户注册     ",JLabel.CENTER);
            UserName.setFont(new Font("楷体",1,36));
            this.add(UserName);
    
            //设置字体大小
            Font font = new Font("楷体",1,20);
    
            jLabelNum = new JLabel("学    号:");
            jLabelNum.setFont(font);
            jtNum = new JTextField(20);
            jLabelName = new JLabel("姓    名:");
            jLabelName.setFont(font);
            jtName = new JTextField(20);
            jLabelUserName = new JLabel("用 户 名:");
            jLabelUserName.setFont(font);
            jtUserName = new JTextField(20);
            jLabelPwd = new JLabel("密    码:");
            jLabelPwd.setFont(font);
            jtPwd = new JPasswordField(20);
            jLabelSurePwd = new JLabel("确认密码:");
            jLabelSurePwd.setFont(font);
            jtSurePwd = new JPasswordField(20);
            jLabelSex = new JLabel("性    别");
            jLabelSex.setFont(font);
            man = new JRadioButton("男");
            man.setSelected(true);//默认选男性
            man.setFont(font);
            woman = new JRadioButton("女");
            woman.setFont(font);
            ButtonGroup group = new ButtonGroup();
            group.add(man);
            group.add(woman);
            jLabelAge = new JLabel("年龄:");
            jLabelAge.setFont(font);
            jtAge = new JTextField(6);
    
            jLabelClass = new JLabel("所属班级:");
            jLabelClass.setFont(font);
            String[] str = {"计算机科学与技术一班","计算机科学与技术二班","物联网工程班","网络工程班"};
            jtClass = new JComboBox(str);
            jtClass.setFont(new Font("楷体",1,18));
    
            //按钮 
            btnRegister = new JButton("注册");
            btnRegister.setFont(new Font("楷体",1,24));
            btnRegister.addActionListener(this);
            btnReset = new JButton("重置");
            btnReset.setFont(new Font("楷体",1,24));
            btnReset.addActionListener(this);
            btnCancel = new JButton("取消");
            btnCancel.setFont(new Font("楷体",1,24));
            btnCancel.addActionListener(this);
    
            JPanel pnrSouth = new JPanel();
    
            //将按钮加到一个专门放按钮的容器中
            pnrSouth.add(btnRegister);
            pnrSouth.add(btnReset);
            pnrSouth.add(btnCancel);
    
            this.add(jLabelNum);
            this.add(jtNum);
            this.add(jLabelName);
            this.add(jtName);
            this.add(jLabelUserName);
            this.add(jtUserName);
            this.add(jLabelPwd);
            this.add(jtPwd);
            this.add(jLabelSurePwd);
            this.add(jtSurePwd);
            this.add(jLabelSex);
            this.add(man);
            this.add(woman);
            this.add(jLabelAge);
            this.add(jtAge);
            this.add(jLabelClass);
            this.add(jtClass);
    
            this.add(pnrSouth,BorderLayout.SOUTH);//将放按钮的容器加到主容器中
    
            this.setSize(400,380);
            GUIUtil.toCenter(this);//使窗口居中
            this.setVisible(true);//可视化
            this.setResizable(false);//关闭放大窗口
            this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//设置错误关闭操作      
        }
        @Override
        public void actionPerformed(ActionEvent e) {
            JButton jb = (JButton) e.getSource();
            /*********************重置按钮***********************/
            if(jb == btnReset){
                //readInfo();
                jtNum.setText("");
                jtName.setText("");
                jtUserName.setText("");
                jtPwd.setText("");
                jtSurePwd.setText("");
                man.setSelected(true);
                jtAge.setText("");
                jtClass.setSelectedIndex(0);//选中第一个班级(计算机科学与技术一班)
            /********************注册按钮************************/  
            }else if(jb == btnRegister){
                String num = jtNum.getText().trim();
                String name = jtName.getText().trim();
                String username = jtUserName.getText().trim();
                String pwd = new String(jtPwd.getPassword());
                String surepwd = new String(jtSurePwd.getPassword());
                String sex = man.isSelected()?"男":"女";
                String age = jtAge.getText().trim();
                String clas = (String)jtClass.getSelectedItem();
    
                if(num.equals("")||name.equals("")||username.equals("")||
                        pwd.equals("")||surepwd.equals("")||age.equals("")){//判断资料是否填写完整
                    JOptionPane.showMessageDialog(null, "请完整填写所有的信息!","提示",JOptionPane.WARNING_MESSAGE);
                    return;
                }
    
                if(!pwd.equals(surepwd)){//判断两次输入密码是否相同
                    JOptionPane.showMessageDialog(this, "两次输入的密码不同,请您重新输入!");
                    return;
                }
    
                FileOpe.getInfoByAccount(num);
                if(User.num != null){//判断用户是否已经注册过
                    JOptionPane.showMessageDialog(this, "该用户已经注册,请您直接登录或者重新注册!");
                    this.dispose();
                    new Login("用户登录!");
                    return;
                }
    
                FileOpe.updateCustomer(num, name, username, pwd, sex, age, clas);
                JOptionPane.showMessageDialog(this, "恭喜您,注册成功!");
                this.dispose();
                new Login("用户登录!");
            }else if(jb == btnCancel){
                this.dispose();
                new Login("用户登录!");
            }
        }
    }
    
    

    OK,注册页面就展示完了,后面就是功能了!!!!!!!!!!!!!!!!!!

    文章中有任何不懂的问题,欢迎大家骚扰,博主很愿意和大家共同进步哟,整理不易,喜欢的话就打赏一下吧~~~

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