要建立一个javaweb的个人信息管理系统需要如何搭建代码框架

要搭建一个javaweb的个人信息管理系统，需要遵循以下步骤来搭建代码框架：

1. 确定系统的功能和需求，包括用户管理、个人信息管理、权限管理、数据查询等功能。

2. 选择合适的开发工具和框架，如Eclipse、MyEclipse、IDEA等，以及Spring、Struts、Hibernate等框架。

3. 搭建项目基础框架，包括MVC三层架构、数据库连接池、日志管理等。

4. 设计数据库表结构，建立数据库，并编写数据访问层(DAO)来操作数据库。

5. 编写业务逻辑层(Service)，实现系统的业务逻辑。

6. 编写控制器层(Controller)，实现根据用户的请求，调用相应的服务来处理请求，并返回结果给用户。

7. 设计前端页面，包括HTML、CSS、JavaScript等，实现用户交互界面。

8. 整合前后端代码，测试系统的正常运行。

以上是搭建javaweb个人信息管理系统代码框架的一般步骤，具体实现还需要根据实际情况进行调整和优化。

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实现一个javaweb酒店管理系统无框架代码

这里提供一个简单的JavaWeb酒店管理系统的无框架代码：

1. 首先创建数据库hotel，创建以下表结构：

CREATE TABLE `room` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `roomNo` varchar(10) DEFAULT NULL COMMENT '房间号',
  `roomType` varchar(20) DEFAULT NULL COMMENT '房间类型',
  `price` decimal(10,2) DEFAULT NULL COMMENT '价格',
  `status` varchar(10) DEFAULT NULL COMMENT '状态',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='房间表';

CREATE TABLE `customer` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(20) DEFAULT NULL COMMENT '姓名',
  `sex` varchar(10) DEFAULT NULL COMMENT '性别',
  `idCard` varchar(18) DEFAULT NULL COMMENT '身份证号',
  `phone` varchar(20) DEFAULT NULL COMMENT '联系电话',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='客户表';

CREATE TABLE `order` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `roomNo` varchar(10) DEFAULT NULL COMMENT '房间号',
  `customerName` varchar(20) DEFAULT NULL COMMENT '客户姓名',
  `checkInDate` datetime DEFAULT NULL COMMENT '入住时间',
  `checkOutDate` datetime DEFAULT NULL COMMENT '退房时间',
  `totalPrice` decimal(10,2) DEFAULT NULL COMMENT '订单总价',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='订单表';

2. 在Eclipse中创建一个动态Web项目，添加以下JavaBean类：

Room.java

public class Room {
    private int id;
    private String roomNo;
    private String roomType;
    private double price;
    private String status;
    // 省略getter和setter方法
}

Customer.java

public class Customer {
    private int id;
    private String name;
    private String sex;
    private String idCard;
    private String phone;
    // 省略getter和setter方法
}

Order.java

public class Order {
    private int id;
    private String roomNo;
    private String customerName;
    private Date checkInDate;
    private Date checkOutDate;
    private double totalPrice;
    // 省略getter和setter方法
}

3. 创建DAO类，用于对数据库进行增删改查操作：

RoomDAO.java

public class RoomDAO {
    public List<Room> findAll() {
        List<Room> list = new ArrayList<>();
        Connection conn = null;
        PreparedStatement stmt = null;
        ResultSet rs = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("SELECT * FROM room");
            rs = stmt.executeQuery();

            while (rs.next()) {
                Room room = new Room();
                room.setId(rs.getInt("id"));
                room.setRoomNo(rs.getString("roomNo"));
                room.setRoomType(rs.getString("roomType"));
                room.setPrice(rs.getDouble("price"));
                room.setStatus(rs.getString("status"));
                list.add(room);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(rs, stmt, conn);
        }

        return list;
    }

    public Room findById(int id) {
        Room room = null;
        Connection conn = null;
        PreparedStatement stmt = null;
        ResultSet rs = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("SELECT * FROM room WHERE id = ?");
            stmt.setInt(1, id);
            rs = stmt.executeQuery();

            if (rs.next()) {
                room = new Room();
                room.setId(rs.getInt("id"));
                room.setRoomNo(rs.getString("roomNo"));
                room.setRoomType(rs.getString("roomType"));
                room.setPrice(rs.getDouble("price"));
                room.setStatus(rs.getString("status"));
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(rs, stmt, conn);
        }

        return room;
    }

    public void add(Room room) {
        Connection conn = null;
        PreparedStatement stmt = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("INSERT INTO room(roomNo, roomType, price, status) VALUES(?, ?, ?, ?)");
            stmt.setString(1, room.getRoomNo());
            stmt.setString(2, room.getRoomType());
            stmt.setDouble(3, room.getPrice());
            stmt.setString(4, room.getStatus());
            stmt.executeUpdate();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(stmt, conn);
        }
    }

    public void update(Room room) {
        Connection conn = null;
        PreparedStatement stmt = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("UPDATE room SET roomNo = ?, roomType = ?, price = ?, status = ? WHERE id = ?");
            stmt.setString(1, room.getRoomNo());
            stmt.setString(2, room.getRoomType());
            stmt.setDouble(3, room.getPrice());
            stmt.setString(4, room.getStatus());
            stmt.setInt(5, room.getId());
            stmt.executeUpdate();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(stmt, conn);
        }
    }

    public void delete(int id) {
        Connection conn = null;
        PreparedStatement stmt = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("DELETE FROM room WHERE id = ?");
            stmt.setInt(1, id);
            stmt.executeUpdate();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(stmt, conn);
        }
    }
}

CustomerDAO.java

public class CustomerDAO {
    public List<Customer> findAll() {
        List<Customer> list = new ArrayList<>();
        Connection conn = null;
        PreparedStatement stmt = null;
        ResultSet rs = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("SELECT * FROM customer");
            rs = stmt.executeQuery();

            while (rs.next()) {
                Customer customer = new Customer();
                customer.setId(rs.getInt("id"));
                customer.setName(rs.getString("name"));
                customer.setSex(rs.getString("sex"));
                customer.setIdCard(rs.getString("idCard"));
                customer.setPhone(rs.getString("phone"));
                list.add(customer);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(rs, stmt, conn);
        }

        return list;
    }

    public Customer findById(int id) {
        Customer customer = null;
        Connection conn = null;
        PreparedStatement stmt = null;
        ResultSet rs = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("SELECT * FROM customer WHERE id = ?");
            stmt.setInt(1, id);
            rs = stmt.executeQuery();

            if (rs.next()) {
                customer = new Customer();
                customer.setId(rs.getInt("id"));
                customer.setName(rs.getString("name"));
                customer.setSex(rs.getString("sex"));
                customer.setIdCard(rs.getString("idCard"));
                customer.setPhone(rs.getString("phone"));
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(rs, stmt, conn);
        }

        return customer;
    }

    public void add(Customer customer) {
        Connection conn = null;
        PreparedStatement stmt = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("INSERT INTO customer(name, sex, idCard, phone) VALUES(?, ?, ?, ?)");
            stmt.setString(1, customer.getName());
            stmt.setString(2, customer.getSex());
            stmt.setString(3, customer.getIdCard());
            stmt.setString(4, customer.getPhone());
            stmt.executeUpdate();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(stmt, conn);
        }
    }

    public void update(Customer customer) {
        Connection conn = null;
        PreparedStatement stmt = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("UPDATE customer SET name = ?, sex = ?, idCard = ?, phone = ? WHERE id = ?");
            stmt.setString(1, customer.getName());
            stmt.setString(2, customer.getSex());
            stmt.setString(3, customer.getIdCard());
            stmt.setString(4, customer.getPhone());
            stmt.setInt(5, customer.getId());
            stmt.executeUpdate();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(stmt, conn);
        }
    }

    public void delete(int id) {
        Connection conn = null;
        PreparedStatement stmt = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("DELETE FROM customer WHERE id = ?");
            stmt.setInt(1, id);
            stmt.executeUpdate();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(stmt, conn);
        }
    }
}

OrderDAO.java

public class OrderDAO {
    public List<Order> findAll() {
        List<Order> list = new ArrayList<>();
        Connection conn = null;
        PreparedStatement stmt = null;
        ResultSet rs = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("SELECT * FROM `order`");
            rs = stmt.executeQuery();

            while (rs.next()) {
                Order order = new Order();
                order.setId(rs.getInt("id"));
                order.setRoomNo(rs.getString("roomNo"));
                order.setCustomerName(rs.getString("customerName"));
                order.setCheckInDate(rs.getTimestamp("checkInDate"));
                order.setCheckOutDate(rs.getTimestamp("checkOutDate"));
                order.setTotalPrice(rs.getDouble("totalPrice"));
                list.add(order);
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(rs, stmt, conn);
        }

        return list;
    }

    public Order findById(int id) {
        Order order = null;
        Connection conn = null;
        PreparedStatement stmt = null;
        ResultSet rs = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("SELECT * FROM `order` WHERE id = ?");
            stmt.setInt(1, id);
            rs = stmt.executeQuery();

            if (rs.next()) {
                order = new Order();
                order.setId(rs.getInt("id"));
                order.setRoomNo(rs.getString("roomNo"));
                order.setCustomerName(rs.getString("customerName"));
                order.setCheckInDate(rs.getTimestamp("checkInDate"));
                order.setCheckOutDate(rs.getTimestamp("checkOutDate"));
                order.setTotalPrice(rs.getDouble("totalPrice"));
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(rs, stmt, conn);
        }

        return order;
    }

    public void add(Order order) {
        Connection conn = null;
        PreparedStatement stmt = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("INSERT INTO `order`(roomNo, customerName, checkInDate, checkOutDate, totalPrice) VALUES(?, ?, ?, ?, ?)");
            stmt.setString(1, order.getRoomNo());
            stmt.setString(2, order.getCustomerName());
            stmt.setTimestamp(3, new Timestamp(order.getCheckInDate().getTime()));
            stmt.setTimestamp(4, new Timestamp(order.getCheckOutDate().getTime()));
            stmt.setDouble(5, order.getTotalPrice());
            stmt.executeUpdate();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(stmt, conn);
        }
    }

    public void update(Order order) {
        Connection conn = null;
        PreparedStatement stmt = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("UPDATE `order` SET roomNo = ?, customerName = ?, checkInDate = ?, checkOutDate = ?, totalPrice = ? WHERE id = ?");
            stmt.setString(1, order.getRoomNo());
            stmt.setString(2, order.getCustomerName());
            stmt.setTimestamp(3, new Timestamp(order.getCheckInDate().getTime()));
            stmt.setTimestamp(4, new Timestamp(order.getCheckOutDate().getTime()));
            stmt.setDouble(5, order.getTotalPrice());
            stmt.setInt(6, order.getId());
            stmt.executeUpdate();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(stmt, conn);
        }
    }

    public void delete(int id) {
        Connection conn = null;
        PreparedStatement stmt = null;

        try {
            conn = JDBCUtils.getConnection();
            stmt = conn.prepareStatement("DELETE FROM `order` WHERE id = ?");
            stmt.setInt(1, id);
            stmt.executeUpdate();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            JDBCUtils.close(stmt, conn);
        }
    }
}

4. 创建工具类JDBCUtils.java，用于获取数据库连接：

public class JDBCUtils {
    private static String url = "jdbc:mysql://localhost:3306/hotel?useUnicode=true&characterEncoding=utf-8&serverTimezone=GMT%2B8";
    private static String username = "root";
    private static String password = "123456";

    public static Connection getConnection() throws Exception {
        Class.forName("com.mysql.cj.jdbc.Driver");
        Connection conn = DriverManager.getConnection(url, username, password);
        return conn;
    }

    public static void close(ResultSet rs, PreparedStatement stmt, Connection conn) {
        if (rs != null) {
            try {
                rs.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }

        if (stmt != null) {
            try {
                stmt.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }

        if (conn != null) {
            try {
                conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }

    public static void close(PreparedStatement stmt, Connection conn) {
        if (stmt != null) {
            try {
                stmt.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }

        if (conn != null) {
            try {
                conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }
}

5. 创建Servlet类，用于处理客户端请求：

RoomServlet.java

public class RoomServlet extends HttpServlet {
    private RoomDAO roomDAO = new RoomDAO();

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String action = request.getParameter("action");

        if ("list".equals(action)) {
            List<Room> list = roomDAO.findAll();
            request.setAttribute("roomList", list);
            request.getRequestDispatcher("roomList.jsp").forward(request, response);
        } else if ("add".equals(action)) {
            String roomNo = request.getParameter("roomNo");
            String roomType = request.getParameter("roomType");
            double price = Double.parseDouble(request.getParameter("price"));
            String status = request

javaweb学生信息管理系统代码期末考试

JavaWeb学生信息管理系统代码期末考试是指通过编写一个具有基本功能的学生信息管理系统来进行考试。在考试前，同学们需要事先学习并掌握JavaWeb开发的相关知识和技术。

学生信息管理系统通常包含以下功能：学生信息的添加、编辑、删除和查询，课程信息的添加、编辑、删除和查询，学生成绩的录入和查询等。

在考试中，考生需要根据具体的系统需求，使用Java相关技术和工具，如Java Servlet和JSP，搭建一个基本的学生信息管理系统。考生需要实现用户注册和登录功能，对学生信息进行增删改查操作，对课程信息进行增删改查操作，以及对学生的成绩进行录入和查询。

考试过程中，考生需根据题目要求，设计数据库表结构并创建对应的实体类，在Servlet中编写相应的数据库操作代码，实现对数据库的增删改查。同时，在JSP页面中编写前端界面，实现用户交互和数据展示。

在考试过程中，考生需要注意代码的规范性和可读性，合理使用JavaWeb的相关知识和技术，处理用户输入的数据，进行合理的验证和处理，确保系统的安全性和稳定性。

总之，JavaWeb学生信息管理系统代码期末考试是对学生们在JavaWeb开发方面知识和技术的综合考察。通过这个考试，可以考察学生们对JavaWeb的理解程度和实践能力，培养其在实际项目中独立开发JavaWeb系统的能力。