public class Logon {
private static final char username = '青';
private static final int password = 123;
private static final Scanner san = new Scanner(System.in);
public static void main(String[] args) {
char iname;
int ipass;
System.out.print("请输入用户名: ");
iname = san.next().charAt(0);
System.out.print("请输入密码: ");
ipass = san.nextInt();
if(Logon.username == iname && Logon.password == ipass) {
System.out.println("欢迎你, " + Logon.username);
} else {
System.out.println("对不起, 你不是" + Logon.username);
}
}
}追问
验证码呢？
用java编写登陆界面要求有用户名,密码和验证码的输出,下面是登录和取消...
import java.util.Scanner;public class Logon { private static final char username = '青'; private static final int password = 123; private static final Scanner san = new Scanner(System.in); public static void main(String[] args) { char iname; int ipass; System.out.pri...
用java编写学生成绩管理系统,登陆界面有,用户名,密码,登陆,取消...
import java.awt.Dimension;import java.awt.Toolkit;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JButton;import javax.swing.JFrame;import javax.swing.JLabel;import javax.swing.JOptionPane;import javax.swing.JPasswordField;import javax.swing.JTextField...
用java写一个登陆界面代码。
概述具体框架使用jframe，文本框组件：JTextField；密码框组件：JPasswordField；标签组件：JLabel；复选框组件：JCheckBox；单选框组件：JRadioButton；按钮组件JButton。登录界面：代码实例import javax.swing.*;import java.awt.*; \/\/导入必要的包 public class denglu extends JFrame{ JTextField jTextFi...
用java语言写一个用户登陆界面
你可以拿去参考一下import java.awt.*;import javax.swing.*;import java.awt.event.*;import java.sql.*;class LoginFrm extends JFrame implements ActionListener\/\/ throws Exception{JLabel lbl1 = new JLabel("用户名:");JLabel lbl2 = new JLabel("密码:");JTextField txt = new JTextFi...
求java登陆界面啊?用户名123456 密码是111111.。。急求啊啊。。。谢 ...
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求用JAVA编写的登陆界面!
Label l1=new Label("用户：");Label l2=new Label("密码：");JPanel p1=new JPanel();JPanel p2=new JPanel();JPanel p3=new JPanel();JPanel p4=new JPanel();p5=new JPanel(){ protected void paintChildren(Graphics g) { g.drawImage(img,0,0,this);super.paintChildren(g)...
用eclipse如何实现数据库登陆界面的注册功能
String name=request.getParameter("username");\/\/获取登录页面输入的数据 String pwd=request.getParameter("PWD");\/\/System.out.println("用户名="+name);\/\/System.out.println("密码="+pwd);\/\/连接数据库 String driverClass="com.mysql.jdbc.Driver";\/\/mysql驱动和url String url="jdbc:mys...
用java做登陆界面遇到了问题,求助!
{ String name=jtfName.getText();String pwd=jpfpwd.getText();if("123".equals(name) && "123".equals(pwd) && jcbpower.getItemAt(3) == jcbpower.getSelectedItem()){\/\/增加部分 JOptionPane.showMessageDialog(this, "用户登录成功", "系统提示", JOptionPane.INFORMATION_MESSAGE);} ...
需要一段用java写的游戏登陆界面要与数据库连接的代码
连接数据库的用户名 \/ private static final String USER = "sa"; \/ 用户密码 \/ private static final String PASSWORD = ""; \/ 获取连接 异常直接抛出 或者捕获后自定义异常信息再抛出 \/ public static Connection getConnection() throws Exception { Class.forName(DRIVE);return DriverManager....
Java编写用户登陆界面,密码正确显示登陆成功,错误显示登录失败,求完 ...
tpwd.getText().trim()); } }); } public void istest(String tname,String tpwd){ \/\/只有用户名输入“hh”密码输入“pwd”的时候才能登录成功 if(tname.equals("hh") && tpwd.equals("pwd")){ JOptionPane.showMessageDialog(null, "登录成功"); } else { J...
