焦作音响网站建设,网站建设案例市场,南宁建设网站培训,简单大方的网站1、设计思想 添加窗口界面#xff0c;想i面添加一系列组件。 输入账号密码和验证码后#xff0c;如果验证码正确#xff0c;进行注册#xff0c;否则注册失败。注册成功后#xff0c;验证码自动刷新#xff0c;并将注册的帐号和密码保存。注册失败后#xff0c;验证码刷…1、设计思想 添加窗口界面想i面添加一系列组件。 输入账号密码和验证码后如果验证码正确进行注册否则注册失败。注册成功后验证码自动刷新并将注册的帐号和密码保存。注册失败后验证码刷新从新注册。 而后进行登录输入帐号密码和验证码当三个都输入对的时候登录成功否则登录失败刷新验证码重新登录。 当点击刷新验证码后验证码自动刷新。 2、流程图 3、源程序代码 package java作业; import java.awt.FlowLayout;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.util.Random; import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JTextField; class chuang extends JFrame implements ActionListener{ private JTextField txt1; private JTextField txt2; private String base abcdefghijklmnopqrstuvwxyz0123456789; private String zifu; private JLabel haha; private JTextField txt3; private JButton d; private JButton dl; private JButton zc; private String zhanghao; private String mima; private String yanzheng; private StringBuffer sb; chuang() { setBounds(800,400,300,250); setVisible(true); setTitle(界面); setDefaultCloseOperation(EXIT_ON_CLOSE); setLayout(null); JLabel zhnew JLabel(帐号); zh.setBounds(20,15,50,25); add(zh); JLabel mmnew JLabel(密码); mm.setBounds(20,50,50,25); add(mm); JLabel ennew JLabel(点击按钮后放大窗口刷新验证码); en.setBounds(20,150,200,25); add(en); Random random new Random(); sb new StringBuffer(); for (int i 0; i 4; i) { int number random.nextInt(base.length()); sb.append(base.charAt(number)); } hahanew JLabel(sb.toString()); haha.setBounds(20,85,50,25); add(haha); txt1 new JTextField(20); txt1.setBounds(65,15,150,25); add(txt1); txt1.setText(请输入帐号); txt2 new JTextField(20); txt2.setBounds(65,50,150,25); add(txt2); txt2.setText(请输入密码); txt3 new JTextField(20); txt3.setBounds(65,85,100,25); add(txt3); txt3.setText(请输入验证码); dnew JButton(刷新验证码); d.addActionListener(this); d.setBounds(170,85,100,24); add(d); dlnew JButton(登录); dl.addActionListener(this); dl.setBounds(35,120,75,24); add(dl); zcnew JButton(注册); zc.addActionListener(this); zc.setBounds(120,120,75,24); add(zc); validate(); } public void actionPerformed(ActionEvent e) { if(e.getSource()d) { remove(haha); Random random new Random(); sb new StringBuffer(); for (int i 0; i 4; i) { int number random.nextInt(base.length()); sb.append(base.charAt(number)); } hahanew JLabel(sb.toString()); haha.setBounds(20,85,50,25); add(haha); validate(); } else if(e.getSource()dl) { yanzhengtxt3.getText(); if(yanzheng.equals(sb.toString())txt1.getText().equals(zhanghao)txt2.getText().equals(mima)) { JFrame hanew JFrame(登录界面); ha.setBounds(880,460,150,100); ha.setVisible(true); JLabel haonew JLabel(登录成功); ha.add(hao); validate(); } else { JFrame hanew JFrame(登录界面); ha.setBounds(880,460,150,100); ha.setVisible(true); JLabel haonew JLabel(登录失败); ha.add(hao); validate(); } } else if(e.getSource()zc) { yanzhengtxt3.getText(); zhanghaotxt1.getText(); mimatxt2.getText(); if(yanzheng.equals(sb.toString())) { JFrame hanew JFrame(注册界面); ha.setBounds(880,460,150,100); ha.setVisible(true); JLabel haonew JLabel(注册成功); ha.add(hao); validate(); } else { JFrame hanew JFrame(注册界面); ha.setBounds(880,460,150,100); ha.setVisible(true); JLabel haonew JLabel(注册失败); ha.add(hao); validate(); } remove(haha); Random random new Random(); sb new StringBuffer(); for (int i 0; i 4; i) { int number random.nextInt(base.length()); sb.append(base.charAt(number)); } hahanew JLabel(sb.toString()); haha.setBounds(20,85,50,25); add(haha); validate(); } } public void shuzi() { Random random new Random(); StringBuffer sb new StringBuffer(); for (int i 0; i 4; i) { int number random.nextInt(base.length()); sb.append(base.charAt(number)); } System.out.println(sb.toString()); }} public class suiji { public static void main(String args[]) { new chuang(); }} 4、结果截图 转载于:https://www.cnblogs.com/CHAHA123/p/7636206.html
