复利计算器6.0

　　对界面进行了升级添加了用户注册于登录界面，更完善的功能待续。。。。

主要代码:

package DataBase;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class SingUpConnect {
    private Connection connection;
    private Statement statement;
    ResultSet resultSet;
    private String name;
    private String password;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getPassword() {
        return password;
    }
    public void setPassword(String password) {
        this.password = password;
    }
    public SingUpConnect() {
        connection=ConnectionFactory.getInstane().makeConnection();
    }
    public void Sin_In() {
        ResultSet resultSet=null;
        String sql="SELECT * FROM user";
        try {
            statement=connection.createStatement();
        } catch (SQLException e) {
            
            e.printStackTrace();
        }
        try {
            resultSet=statement.executeQuery(sql);
            while (resultSet.next()) {
                name=resultSet.getString("name");
                password=resultSet.getString("password");
            }
        } catch (SQLException e) {
            
            e.printStackTrace();
        }
        try {
            while (resultSet.next()) {
                System.out.println(resultSet.getString("username"));
                System.out.println(resultSet.getString("password"));
            }
        } catch (SQLException e) {
            
            e.printStackTrace();
        }
        finally{
            try {
                resultSet.close();
            } catch (Exception e2) {
                
            }
            try {
                statement.close();
            } catch (Exception e2) {
                
            }
            try {
                connection.close();
            } catch (Exception e2) {
            
            }
        }
        
    }
    public void SinUp(String name,String password){
        try {
            connection.setAutoCommit(false);
            UserDao userDao=new UserDaoImpl();
            User user=new User();
            user.setName(name);
            user.setPassword(password);
            userDao.save(connection, user);
            connection.commit();
        } catch (Exception e) {
            try {
                connection.rollback();
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
    }
}