饭卡管理系统(java).docx
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2022-06-22
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package
mysql;
import java.awt.*;
import
java.awt.event.*;
import java.sql.*;
import
javax.swing.*;
class Login extends
JFrame
{
private static nal long serialVersionUID =
1L;
private static JFrame frame = new JFrame("学生饭卡管理系统登录界面");
private JButton submit = new JButton("登陆");
private JButton reset = new JButton("重
置");
private JButton assign=new JButton("注
册");
JLabel nameLab = new JLabel("用户
名：");
private JLabel passwdLab = new JLabel("密
码：");
private JLabel lab = new JLabel();
public JTextField nameText = new JTextField(20);
public JPasswordField passwdText = new
JPasswordField(20);
public Login(){}
public void login(){
nameLab.setBounds(60, 20,
100,20);
passwdLab.setBounds(60, 50,
100,20);
lab.setBounds(100, 90, 200,20);
nameText.setBounds(120, 20, 100,
20);
passwdText.setBounds(120, 50, 100,
20);
submit.setBounds(120, 120, 100, 30);
reset.setBounds(250, 50, 60, 20);
assign.setBounds(250,20,60,20);
//passwdText.setEchoChar('*');
frame.add(nameLab);
frame.add(passwdLa
b);
frame.add(lab)
;
frame.add(nameText);
frame.add(passwdTex
t);
frame.add(submit);
//用户名
//用户密码
frame.add(reset
);
frame.add(assign
);
frame.setSize(400, 220);
frame.setLocation(400,
250);
ImagePanel img = new
ImagePanel();
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