基于Java Web的酒店管理系统

1.系统概述

2.系统功能

3.所用数据库表

4.具体功能实现

4.1 登录功能

4.2 欢迎页面

4.3 客房列表功能

4.4 查看房型详细信息

4.5 修改客房信息

4.6 添加客房信息

4.7 住房登记

4.8 退房登记

4.9 会员信息详情

1.系统概述

此次系统功能较为简单。开发模式为：JSP+Servlet+JavaBean,另外需要MyElicpe、MySQL、Tomact服务器等。

2.系统功能

本系统主要功能是管理员进行日常酒店管理操作，例如登记住房信息、查询客房信息、修改客房信息、删除客房信息、添加客房信息，另外是结算退房功能。

3.所用数据库表

1.user（员工表）

2.member(会员表)

3.house(房型表)

4.具体功能实现

4.1 登录功能

<body background="image/3.jpg"><form name="form1" action="loginservlet?method=login" method="post"><p id=jerry>酒店管理系统</p><table width="300" border="1" align="center" height="200"><tr id="tb"><td colspan="2" align="center">系统登录</td></tr><tr id="tb"><td>工号</td><td><input type="text" name="username" size="20"></td></tr><tr id="tb"><td>密码</td><td><input type="password" name="password" size="20"></td></tr><tr></tr><tr id="tb"><td colspan="2"><input type="submit" name="submit" value="登录"><a href="register.jsp">注册新用户</a></td></tr></table></form></body>

<body background="image/3.jpg"><form name="form1" action="loginservlet?method=register" method="post"><p id=jerry>酒店管理系统</p><table width="300" border="1" align="center"><tr><td colspan="2" align="center">注册窗口</td></tr><tr><td>用户名</td><td><input type="text" name="username"></td></tr><tr><td>密码</td><td><input type="password" name="password1"></td></tr><tr><td>确认密码</td><td><input type="password" name="password2"></td></tr><tr><td>Email</td><td><input type="text" name="email"></td></tr><tr><td colspan="2"><input type="submit" name="submit" value="注册"><a href="login.jsp">返回</a></td></tr></table></form>
</body>

loginServlet

@WebServlet(urlPatterns="/loginservlet")
public class loginServlet extends HttpServlet{@Overrideprotected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO 自动生成的方法存根String method=request.getParameter("method");if("login".equals(method)){doLogin(request,response);}else if("logout".equals(method)){doLogout(request,response);}else if("register".equals(method)){doAdd(request,response);}}//用户注册private void doAdd(HttpServletRequest request, HttpServletResponse response)throws ServletException,IOException {// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");response.setCharacterEncoding("utf-8");response.setContentType("text/html;charset=utf-8");String username=request.getParameter("username");String password1=request.getParameter("password1");String password2=request.getParameter("password2");String email=request.getParameter("email");if(!"".equals(username)&&password1.equals(password2)){UserBean user_bean=new UserBean();user_bean.add(username, password1, email);System.out.println("注册成功！");response.sendRedirect("login.jsp");}else {System.out.println("注册失败！");response.sendRedirect("login.jsp");}}//登录private void doLogin(HttpServletRequest request, HttpServletResponse response)throws ServletException,IOException {// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");response.setCharacterEncoding("utf-8");response.setContentType("text/html;charset=utf-8");String username=request.getParameter("username");String password=request.getParameter("password");UserBean user_bean=new UserBean();if(user_bean.isExist(username)){if(user_bean.valid(username, password)){HttpSession session=request.getSession();session.setAttribute("username",username);System.out.println("登录成功");response.sendRedirect("welcome.jsp");}else {//密码错误System.out.println("登录失败1");response.sendRedirect("login.jsp");}}else {System.out.println("登录失败2");response.sendRedirect("login.jsp");}}//退出登录protected void doLogout(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException {HttpSession session = request.getSession();session.removeAttribute("username");System.out.println("退出成功");response.sendRedirect("login.jsp");}@Overrideprotected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");doGet(request, response);}
}

4.2 欢迎页面

welcome.jsp

<body background="image/3.jpg"><table width="100%"><p id="ss" class="text">酒店管理系统</p><%Calendar cal = Calendar.getInstance();SimpleDateFormat format = new SimpleDateFormat("dd日-MM月-yyyy年 HH:mm:ss");%><tr><td colspan="2" align="right">登陆成功！欢迎你，<%=(String) session.getAttribute("username")%></td><td align="right"><%out.println(format.format(cal.getTime()));%></td></tr><tr><td colspan="3"><hr></td></tr><tr><td><br> <br> <br> <br> <br> <br></td></tr><tr><td colspan="3"><form name="form1" action="loginservlet?method=logout" method="post"><table width="450" height="300" border="1" align="center" id="tom"><tr><th colspan="3" align="center">选择功能</th></tr><tr><td><a class="a" href="pageservlet?method=showHouse">客房列表</a></td><td><a class="a" href="addhouse.jsp">添加客房</a></td></tr><tr><td><a class="a" href="inhouse.jsp">住房登记</a></td><td><a class="a" href="pageservlet?method=showMember">退房登记</a></td></tr><tr><td colspan="3" align="center"><input type="submit"name="submit" value="退出"></td></tr></table></form></td></tr></div>
</body>

4.3 客房列表功能

hotelBean.java

public class hotel {
private String name;//房间名称
private int price;//房间价格
private int amount;//房间价格
private String square;//房间面积
private int people;//房间可住人数
public final static int maxpage=4;
public String getName() {return name;
}
public void setName(String name) {this.name = name;
}
public int getPrice() {return price;
}
public void setPrice(int price) {this.price = price;
}
public int getAmount() {return amount;
}
public void setAmount(int amount) {this.amount = amount;
}
public String getSquare() {return square;
}
public void setSquare(String square) {this.square = square;
}
public int getPeople() {return people;
}
public void setPeople(int people) {this.people = people;
}
}

houseDao

public class houseDao {DBAccess db=new DBAccess();public ArrayList<hotel>allhotel(){//显示全部房间ArrayList<hotel>list=new ArrayList<hotel>();if(db.createConn()){String sql="select * from house";try {db.query(sql);while(db.next()){hotel ho=new hotel();ho.setName(db.getRs().getString("name"));ho.setPrice(db.getRs().getInt("price"));ho.setAmount(db.getRs().getInt("amount"));ho.setSquare(db.getRs().getString("square"));ho.setPeople(db.getRs().getInt("people"));list.add(ho);}} catch (SQLException e) {// TODO 自动生成的 catch 块e.printStackTrace();}finally {db.closeRs();db.closeStm();db.closeConn();}}return list;}public hotel show(String name){//显示房间信息hotel ho=new hotel();if(db.createConn()){String sql="select * from house where name=?";try {db.pre=db.getConn().prepareStatement(sql);db.pre.setString(1, name);db.setRs(db.pre.executeQuery());if(db.getRs().next()){ho.setName(db.getRs().getString("name"));ho.setPrice(db.getRs().getInt("price"));ho.setAmount(db.getRs().getInt("amount"));ho.setSquare(db.getRs().getString("square"));ho.setPeople(db.getRs().getInt("people"));}} catch (SQLException e) {// TODO 自动生成的 catch 块e.printStackTrace();}finally {db.closeRs();if(db.pre!=null){try {db.pre.close();} catch (SQLException e) {// TODO 自动生成的 catch 块e.printStackTrace();}db.closeConn();}}}return ho;}public boolean updatehotel(hotel ho) throws Exception{//修改房间  boolean flag = false;DBAccess db=new DBAccess();if(db.createConn()){String sql="UPDATE house SET name=?,price=?,amount=?,square=?,people=? where name=?";db.pre=db.getConn().prepareStatement(sql);db.pre.setString(1, ho.getName());db.pre.setInt(2, ho.getPrice());db.pre.setInt(3, ho.getAmount());db.pre.setString(4, ho.getSquare());db.pre.setInt(5, ho.getPeople());db.pre.setString(6, ho.getName());if(db.pre.executeUpdate() > 0) flag = true;}db.closeRs();db.closeStm();db.pre.close();db.closeConn();return flag;}public boolean updateamount(hotel ho){//更新房间数量boolean flag = false;DBAccess db=new DBAccess();if(db.createConn()){String sql="update house set amount=? where name=?";try {db.pre=db.getConn().prepareStatement(sql);db.pre.setInt(1,ho.getAmount() );db.pre.setString(2, ho.getName());if(db.pre.executeUpdate()>0) flag=true;} catch (SQLException e) {// TODO 自动生成的 catch 块e.printStackTrace();}finally {try {db.pre.close();} catch (SQLException e) {// TODO 自动生成的 catch 块e.printStackTrace();}db.closeConn();}}return flag;}public boolean add(hotel ho) throws Exception{//添加房间boolean flag = false;DBAccess db=new DBAccess();if(db.createConn()){String sql = "INSERT INTO house(name,price,amount,square,people) VALUES(?,?,?,?,?)";db.pre=db.getConn().prepareStatement(sql);db.pre.setString(1, ho.getName());db.pre.setInt(2, ho.getPrice());db.pre.setInt(3, ho.getAmount());db.pre.setString(4, ho.getSquare());db.pre.setInt(5, ho.getPeople());if(db.pre.executeUpdate() > 0) flag = true;}db.closeRs();db.closeStm();db.pre.close();db.closeConn();return flag;}public boolean delHouse(String name) throws Exception{//删除房间DBAccess db=new DBAccess();boolean flag = false;String sql="DELETE FROM house WHERE name = ?";if(db.createConn()){db.pre=db.getConn().prepareStatement(sql);db.pre.setString(1, name);if(db.pre.executeUpdate()>0)flag=true;}db.closeConn();db.closeStm();db.pre.close();db.closeRs();return flag;}public ArrayList<hotel> findAll(Integer page){//分页查询信息DBAccess  db=new DBAccess();ArrayList<hotel> list=new ArrayList<hotel>();try {if(db.createConn()){String sql="select  * from house limit ?,? ";db.pre=db.getConn().prepareStatement(sql);db.pre.setInt(1, (page-1)*hotel.maxpage);db.pre.setInt(2, hotel.maxpage);db.setRs(db.pre.executeQuery());while(db.getRs().next()){hotel ho=new hotel();ho.setName(db.getRs().getString("name"));ho.setPrice(db.getRs().getInt("price"));ho.setAmount(db.getRs().getInt("amount"));ho.setSquare(db.getRs().getString("square"));ho.setPeople(db.getRs().getInt("people"));list.add(ho);}db.closeRs();db.pre.close();db.closeConn();}} catch( SQLException e) {e.printStackTrace();}return list;}public int countPage(){//查询记录总数DBAccess  db=new DBAccess();int count=0;try {if(db.createConn()){String sql="select count(*) from house  ";db.pre=db.getConn().prepareStatement(sql);db.setRs(db.pre.executeQuery());if(db.getRs().next()){count=db.getRs().getInt(1);}}} catch( SQLException e) {e.printStackTrace();}finally {db.closeRs();try {if(db.pre!=null){db.pre.close();}} catch (Exception e2) {// TODO: handle exception}db.closeConn();}return count;}
}

housemanageServlet

@WebServlet(urlPatterns="/houseServlet")
public class housemanageServlet extends HttpServlet{@Overrideprotected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");String method=request.getParameter("method");if("show".equals(method)){doShow(request,response);}else if("add".equals(method)){doAdd(request,response);}else if("show2".equals(method)){doShow2(request,response);}else if("update".equals(method)){doUpdate(request,response);}else if("update2".equals(method)){doUpdate2(request,response);}else if("delete".equals(method)){doDel(request,response);}}//删除客房private void doDel(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");String name=request.getParameter("category");houseDao house=new houseDao();try {if(house.delHouse(name)){System.out.println("删除成功！");response.sendRedirect("showhouse.jsp");//删除之后无法立马更新数据return;}else {System.out.println("删除失败！");response.sendRedirect("showhouse.jsp");}} catch (Exception e) {// TODO 自动生成的 catch 块e.printStackTrace();}}//修改客房信息private void doUpdate2(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException  {// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");String name=request.getParameter("name");int price=Integer.parseInt(request.getParameter("price"));int amount=Integer.parseInt(request.getParameter("amount"));String square=request.getParameter("square");int people=Integer.parseInt(request.getParameter("people"));houseDao house=new houseDao();hotel ho=new hotel();ho.setName(name);ho.setPrice(price);ho.setAmount(amount);ho.setSquare(square);ho.setPeople(people);try {if(house.updatehotel(ho)){System.out.println("修改成功！");response.sendRedirect("showhouse.jsp");return;}else {System.out.println("修改失败！");response.sendRedirect("showhouse.jsp");}} catch (Exception e) {// TODO 自动生成的 catch 块e.printStackTrace();}}//用来重定向到修改页面private void doUpdate(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {//重定向到 update.jsp// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");String name=request.getParameter("category");houseDao house=new houseDao();hotel ho=house.show(name);request.setAttribute("ho", ho);request.getRequestDispatcher("update.jsp").forward(request, response);}//显示客房具体信息private void doShow2(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");String name=request.getParameter("category");houseDao house=new houseDao();hotel ho=house.show(name);HttpSession session=request.getSession();session.setAttribute("ho", ho);response.sendRedirect("showhouse2.jsp");}//添加客房private void doAdd(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");String name=request.getParameter("name");int price=Integer.parseInt(request.getParameter("price"));int amount=Integer.parseInt(request.getParameter("amount"));String square=request.getParameter("square");int people=Integer.parseInt(request.getParameter("people"));houseDao house=new houseDao();hotel ho=new hotel();if(!"".equals(name)&&!"".equals(square)&&0!=price&&0!=amount&&people!=0){ho.setName(name);ho.setPrice(price);ho.setAmount(amount);ho.setSquare(square);ho.setPeople(people);}else {System.out.println("添加失败，信息不全");response.sendRedirect("addhouse.jsp");}try {if(house.add(ho)){System.out.println("添加成功！");response.sendRedirect("addhouse.jsp");}} catch (Exception e) {// TODO 自动生成的 catch 块e.printStackTrace();}}//显示所有客房信息private void doShow(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{// TODO 自动生成的方法存根houseDao house_dao=new houseDao();ArrayList<hotel> house=house_dao.allhotel();HttpSession session=request.getSession();session.setAttribute("house", house);response.sendRedirect("showhouse.jsp");}@Overrideprotected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO 自动生成的方法存根doGet(request, response);}
}

showhouse.jsp(全部)

<body background="image/3.jpg"><table width="100%"><p id="ss">酒店管理系统</p><%Calendar cal = Calendar.getInstance();SimpleDateFormat format = new SimpleDateFormat("dd日-MM月-yyyy年 HH:mm:ss");%><tr><td colspan="2" align="right">登陆成功！欢迎你，<%=(String) session.getAttribute("username")%></td><td align="right"><%out.println(format.format(cal.getTime()));%></td></tr><tr><td colspan="3"><hr></td></tr><tr><td><a href="welcome.jsp">返回</a></td></tr><tr><td><br> <br> <br> <br> <br> <br></td></tr></table><h2 align="center">所有客房信息</h2><table width="400" height="200" border="1" align="center"><tr><td align="center">房间类型</td><td align="center">房型价格</td><td align="center">可预定数量</td><td align="center">操作</td></tr><%for (hotel ho : hotels) {%><tr><td align="center"><%=ho.getName()%></td><td align="center"><%=ho.getPrice()%>￥</td><td align="center"><%=ho.getAmount()%></td><td><ahref="houseServlet?method=show2&category=<%=ho.getName()%>">查看</a><a href="houseServlet?method=update&category=<%=ho.getName()%>">修改</a><a href="houseServlet?method=delete&category=<%=ho.getName()%>">删除</a></td></tr><%}%><tr><td align="center" colspan="6" bgcolor="gray"><%--<%=request.getAttribute("bar")  /页 --%> ${bar}/页</td></tr></table>
</body>

4.4 查看房型详细信息

4.5 修改客房信息

4.6 添加客房信息

4.7 住房登记

memberBean.java

public class member {
private String name;//会员名
private String tel;//手机号
private String category;//房间类型
private String hotelnumber;//房间号
private int people;//入住人数
private String money;//消费
public String getName() {return name;
}
public void setName(String name) {this.name = name;
}
public String getTel() {return tel;
}
public void setTel(String tel) {this.tel = tel;
}
public String getCategory() {return category;
}
public void setCategory(String category) {this.category = category;
}
public String getHotelnumber() {return hotelnumber;
}
public void setHotelnumber(String hotelnumber) {this.hotelnumber = hotelnumber;
}
public int getPeople() {return people;
}
public void setPeople(int people) {this.people = people;
}
public String getMoney() {return money;
}
public void setMoney(String money) {this.money = money;
}}

memberDao

public class memberDao {DBAccess db=new DBAccess();public boolean add(member me) throws Exception{//添加会员boolean flag = false;if(db.createConn()){String sql = "INSERT INTO member(name,tel,category,hotelnumber,people,money) VALUES(?,?,?,?,?,?)";db.pre=db.getConn().prepareStatement(sql);db.pre.setString(1, me.getName());db.pre.setString(2, me.getTel());db.pre.setString(3, me.getCategory());db.pre.setString(4, me.getHotelnumber());db.pre.setInt(5, me.getPeople());db.pre.setString(6, me.getMoney());if(db.pre.executeUpdate() > 0) flag = true;}db.closeRs();db.closeStm();db.pre.close();db.closeConn();return flag;}public ArrayList<member> allmember(){//显示所有会员ArrayList<member>list=new ArrayList<member>();if(db.createConn()){String sql="select * from member";try {db.query(sql);while(db.next()){member me=new member();me.setName(db.getRs().getString("name"));me.setTel(db.getRs().getString("tel"));me.setCategory(db.getRs().getString("category"));me.setHotelnumber(db.getRs().getString("hotelnumber"));me.setPeople(db.getRs().getInt("people"));me.setMoney(db.getRs().getString("money"));list.add(me);}} catch (SQLException e) {// TODO 自动生成的 catch 块e.printStackTrace();}finally {db.closeRs();db.closeStm();db.closeConn();}}return list;}public member showpersonal(String name){//显示会员详细信息member me=new member();if(db.createConn()){String sql="select * from member where name=?";try {db.pre=db.getConn().prepareStatement(sql);db.pre.setString(1, name);db.setRs(db.pre.executeQuery());if(db.getRs().next()){me.setName(db.getRs().getString("name"));me.setTel(db.getRs().getString("tel"));me.setCategory(db.getRs().getString("category"));me.setHotelnumber(db.getRs().getString("hotelnumber"));me.setPeople(db.getRs().getInt("people"));me.setMoney(db.getRs().getString("money"));}} catch (SQLException e) {// TODO 自动生成的 catch 块e.printStackTrace();}finally {db.closeRs();if(db.pre!=null){try {db.pre.close();} catch (SQLException e) {// TODO 自动生成的 catch 块e.printStackTrace();}db.closeConn();}}}return me;}public boolean delMember(String tel) throws Exception{//删除会员信息DBAccess db=new DBAccess();boolean flag = false;String sql="DELETE FROM member WHERE tel = ?";if(db.createConn()){db.pre=db.getConn().prepareStatement(sql);db.pre.setString(1, tel);if(db.pre.executeUpdate()>0)flag=true;}db.closeConn();db.closeStm();db.pre.close();db.closeRs();return flag;}public ArrayList<member> findAll(Integer page){//分页查询信息DBAccess  db=new DBAccess();ArrayList<member> list=new ArrayList<member>();try {if(db.createConn()){String sql="select  * from member limit ?,? ";db.pre=db.getConn().prepareStatement(sql);db.pre.setInt(1, (page-1)*hotel.maxpage);db.pre.setInt(2, hotel.maxpage);db.setRs(db.pre.executeQuery());while(db.getRs().next()){member me=new member();me.setName(db.getRs().getString("name"));me.setTel(db.getRs().getString("tel"));me.setCategory(db.getRs().getString("category"));me.setHotelnumber(db.getRs().getString("hotelnumber"));me.setPeople(db.getRs().getInt("people"));me.setMoney(db.getRs().getString("money"));list.add(me);}db.closeRs();db.pre.close();db.closeConn();}} catch( SQLException e) {e.printStackTrace();}return list;}public int countPage(){//查询记录总数DBAccess  db=new DBAccess();int count=0;try {if(db.createConn()){String sql="select count(*) from member  ";db.pre=db.getConn().prepareStatement(sql);db.setRs(db.pre.executeQuery());if(db.getRs().next()){count=db.getRs().getInt(1);}}} catch( SQLException e) {e.printStackTrace();}finally {db.closeRs();try {if(db.pre!=null){db.pre.close();}} catch (Exception e2) {// TODO: handle exception}db.closeConn();}return count;}
}

membermanageServlet

@WebServlet(urlPatterns="/membermanage")
public class membermanageServlet extends HttpServlet{@Overrideprotected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");String method=request.getParameter("method");if("inroom".equals(method)){doInroom(request,response);}else if ("outroom".equals(method)) {doOutroom(request,response);}else if("personalmessage".equals(method)){doShowPerMessage(request,response);}else if("delmember".equals(method)){doDelMember(request,response);}}//退房操作private void doDelMember(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");String tel=request.getParameter("tel");String category=request.getParameter("category");houseDao house=new houseDao();memberDao member=new memberDao();hotel ho=null;try {if(member.delMember(tel)){ho=house.show(category);ho.setAmount(ho.getAmount()+1);//获取房型相关信息house.updateamount(ho);System.out.println("退房成功！");response.sendRedirect("welcome.jsp");return;}} catch (Exception e) {// TODO 自动生成的 catch 块e.printStackTrace();}}//显示会员信息private void doShowPerMessage(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");String name=request.getParameter("name");memberDao member=new memberDao();member mb=member.showpersonal(name);HttpSession session=request.getSession();session.setAttribute("mb", mb);//request.setAttribute("mb", mb);response.sendRedirect("showmemberMassage.jsp");//request.getRequestDispatcher("showmemberMassage.jsp").forward(request, response);}//住房登记private void doInroom(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");String name=request.getParameter("name");String tel=request.getParameter("tel");String category=request.getParameter("category");String housenumber=request.getParameter("housenumber");int people=Integer.parseInt(request.getParameter("people"));String money=request.getParameter("money");memberDao member =new memberDao();houseDao house=new houseDao();hotel ho=null;if(name!=null&&tel!=null&&category!=null&&housenumber!=null&&people!=0&&money!=null){member me=new member();me.setName(name);me.setTel(tel);me.setCategory(category);me.setHotelnumber(housenumber);me.setPeople(people);me.setMoney(money);try {ho=house.show(category);//根据房间类型获取房间if(member.add(me)&&ho.getAmount()>0){//System.out.println("添加会员成功！");ho.setAmount(ho.getAmount()-1);house.updateamount(ho);//更改房间数量System.out.println("添加会员成功！");response.sendRedirect("welcome.jsp");}else {System.out.println("添加会员失败，没有可用的房间！");response.sendRedirect("inhouse.jsp");}} catch (Exception e) {// TODO 自动生成的 catch 块e.printStackTrace();}}else {System.out.println("添加会员失败,信息不全！");response.sendRedirect("inhouse.jsp");}}//退房登记private void doOutroom(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{// TODO 自动生成的方法存根memberDao member=new memberDao();ArrayList<member> me=member.allmember();HttpSession session=request.getSession();session.setAttribute("me", me);response.sendRedirect("outhouse.jsp");}@Overrideprotected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO 自动生成的方法存根request.setCharacterEncoding("utf-8");doGet(request, response);}
}

4.8 退房登记

4.9 会员信息详情

初入java web很多知识还没有深入，对本系统有很多不足的地方，功能也比较单一，在后面会陆续对本系统功能进一步完善，如有不妥的地方，欢迎大家交流！

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基于Java Web的酒店管理系统

1.系统概述

2.系统功能

3.所用数据库表

4.具体功能实现

4.1 登录功能

4.2 欢迎页面

4.3 客房列表功能

4.4 查看房型详细信息

4.5 修改客房信息

4.6 添加客房信息

4.7 住房登记

4.8 退房登记

4.9 会员信息详情

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