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1、前台界面是用 HTML 实现，具体代码功能如下 ：Login.jsp 文件：用于客户的登录<% page language= "java" pageEncoding ="UTF-8" %><%String path = request.getContextPath();String basePath = request.getScheme() + ":/"+ request.getServerName() + ":" + request.getServerPort() + path + "

2、;/" ;%><!DOCTYPE HTML PUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"> <html ><head><basehref="<%=basePath%>"><title >登录页面 </ title ><meta http-equiv ="pragma" content="no-cache" ><meta http-equiv ="

3、cache-control" content="no-cache" ><meta http-equiv ="expires" content= "0" ><meta http-equiv ="keywords" content="keyword1,keyword2,keyword3" ><meta http-equiv ="description" content="This is my page" >&

4、lt;style type ="text/css" >body background-image :url(images/background/6.jpg) ; background-repeat :repeat-x ;</style></head><body bgcolor =lightblue ><ahref=dkcanting.jsp >返回首页 </a><form name="form1" action ="UserServlet?method=login"

5、; method ="post" > <table width ="200" border ="1" align =center ><tr><td colspan = "2">登录窗口 </td><tr><td>用户名</td><td><input type="text" name="User_ID" size="10"></td>

6、 </tr> <tr><td> 密码 </td><td><input type ="password" name= "Password" size="10"></td> </tr><tr><td colspan = "2" ><input type="submit" name="submit" value="登录"> <

7、a href ="register.jsp" >注册新用户 </a></td></tr></table></form ></ body ></html >Login_admin.jsp 文件：用于管理员的登录<% page language= "java" pageEncoding ="UTF-8" %><%String path = request.getContextPath();String basePath = requ

8、est.getScheme() + ":/"+ request.getServerName() + ":" + request.getServerPort() + path + "/" ;%><!DOCTYPE HTML PUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"> <html ><head><basehref="<%=basePath%>"><title >登录页面 &l

9、t;/ title ><meta http-equiv ="pragma" content="no-cache" ><meta http-equiv ="cache-control" content="no-cache" ><meta http-equiv ="expires" content= "0" ><meta http-equiv ="keywords" content="keyword1,

10、keyword2,keyword3" ><meta http-equiv ="description" content="This is my page" ><style type ="text/css" >body background-image :url(images/background/6.jpg) ; background-repeat :repeat-x ;</style></head><body bgcolor =lightblue ><

11、form name="form1" action ="UserServlet?method=login_admin"method= "post" ><table width ="200" border ="1" align =center ><tr><td colspan = "2">管理员登录 </td><tr><td>用户名</td><td><input type=

12、"text" name="User_ID" size="10"></td> </tr> <tr><td> 密码 </td><td><input type ="password" name= "Password" size="10"></td></tr><tr><td colspan = "2" ><input ty

13、pe="submit" name="submit" value="登录"></td> </tr></table></form></body></html>Register.jsp 文件：用于客户的注册<% page language="java" pageEncoding="UTF-8" %><%String path = request.getContextPath();String basePat

14、h = request.getScheme() + ":/"+ request.getServerName() + ":" + request.getServerPort() + path + "/" ;%><!DOCTYPE HTML PUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"><html><head><basehref="<%=basePath%>"><title >注

15、册页面 </title><meta http-equiv ="pragma" content="no-cache" ><meta http-equiv ="cache-control" content="no-cache" ><meta http-equiv ="expires" content="0"><meta http-equiv ="keywords" content= "keywor

16、d1,keyword2,keyword3" ><meta http-equiv ="description" content="This is my page" ><style type="text/css" >body background-image :url(images/background/6.jpg) ; background-repeat :repeat-x ;</style></head><body bgcolor =lightblue >&l

17、t;a href=dkcanting.jsp >返回首页 </a><form name="form1" action ="UserServlet?method=register" method="post"> <table width ="200" border ="1" align=center><tr><td colspan = "2">注册窗口 </td><tr><td>

18、;用户名</td><td><input type="text" name="User_ID" size="10"></td></tr><tr><td> 密码 </td><td >< input type ="password " name= "Password1" size="10" ></td></tr><tr><

19、td>确认密码</td><td >< input type ="password " name= "Password2" size="10" ></td></tr><tr><td>联系 </td><td >< input type="text" name="User_Tel" size="10" ></td></tr><t

20、r><td >送餐地址 </td><td >< input type="text" name="User_Address" size="10" ></td></tr><tr><td colspan= "4" align=center><input type = "submit" name="submit"value="注册"></td&g

21、t;</tr></table></form></body></html>Admin_center.jsp 文件：管理员中心界面，管理全部信息<% page language="java" pageEncoding="UTF-8" %><%String path = request.getContextPath();String basePath = request.getScheme() + ":/"+ request.getServerName() + &

22、quot;:" + request.getServerPort()+ path + "/" ;%><!DOCTYPE HTML PUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"><html><head><basehref="<%=basePath%>"><title >管理员 </title ><meta http-equiv ="pragma" content=&quo

23、t;no-cache" ><meta http-equiv ="cache-control" content="no-cache" ><meta http-equiv ="expires" content="0"><meta http-equiv ="keywords" content= "keyword1,keyword2,keyword3" ><meta http-equiv ="description&

24、quot; content="This is my page" ><style type ="text/css" >body background-image :url(images/background/6.jpg) ; background-repeat :repeat-x ;</style></head><body bgcolor =lightyellow text =black link =red alink =green vlink = blue><p align = right &g

25、t;<%String n = (String)session.getAttribute( "User_ID" );if(n = null )%><a href ="login_admin.jsp" >登录 </a><%else %><form name="form1" action ="UserServlet?method=logout_admin" method="post" 欢迎你， <%= session.getAttribute

26、( "User_ID" )%><input type="submit" name="submit" value ="退出" ></ form ><% %><table><tr><td><form name="form2" action ="Dish_copyServlet?method=type" method="post" > <select name=Typ

27、e_Name><option >面食<option >川菜<option >粤菜<option >鲁菜<option >浙菜<option >徽菜<option >闽菜<option >湘菜<option >苏菜 </select>< p><input type=submit value="搜索"></form></td></table><form name="form2&q

28、uot; action="Dish_copyServlet?method=select" method="post" <p align = center><input type ="text" name="Dish_Name" size="40" ><input type="submit" name="submit" value ="DK 一下 " ></p></form >&

29、lt;br><br><br><br><center><form action = "dingdan.jsp" method="get" ><input type = "submit" name="button" value =" 查 看 订 单 " id="button" style="width:150px;height:30px;"></form ></ce

30、nter></ body ></html >Detail.jsp 文件：用于查看美食的详细信息，在此页面可以提交订单<% page language= "java" import = "java.util.*" pageEncoding ="UTF-8" %><% page language= "java" import = ".dingcan.javabean.*" %><%String path = request.getConte

31、xtPath();String basePath = request.getScheme() + ":/"+ request.getServerName() + ":" + request.getServerPort()+ path + "/" ;%><!DOCTYPE HTML PUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"><html ><head><basehref="<%=basePath%>&q

32、uot;><title >管理员 </title ><meta http-equiv ="pragma" content="no-cache" ><meta http-equiv ="cache-control" content="no-cache" ><meta http-equiv ="expires" content= "0" ><meta http-equiv ="keywords&qu

33、ot; content="keyword1,keyword2,keyword3" ><meta http-equiv ="description" content="This is my page" ><style type ="text/css" >body background-image :url(images/background/6.jpg) ;background-repeat :repeat-x ;</style></head><body b

34、gcolor =lightyellow text =black link =red alink =green vlink = blue><p align = right ><%String n = (String)session.getAttribute( "User_ID" );if(n = null )%><a href ="login_admin.jsp" >登录 </a><%else %><form name="form1" action ="U

35、serServlet?method=logout_admin" method="post" 欢迎你， <%= session.getAttribute( "User_ID" )%><input type="submit" name="submit" value ="退出" ></ form ><% %><table><tr><td><form name="form2" acti

36、on ="Dish_copyServlet?method=type" method="post" ><select name=Type_Name><option >面食<option >川菜<option >粤菜<option >鲁菜<option >浙菜<option >徽菜<option >闽菜<option >湘菜<option >苏菜</select>< p><input type=submi

37、t value="搜索"></form></td></table><form name="form2" action="Dish_copyServlet?method=select" method="post"<p align = center><input type ="text" name="Dish_Name" size="40" ><input type="su

38、bmit" name="submit" value="DK 一下 " ></p></form><br><br><center><form action = "OrderServlet?method=fahuo" method ="post" ><table border="1" ><%String Order_ID=(String) session.getAttribute( "O

39、rder_ID" );List<Orderdish> list= new ArrayList<Orderdish>();OrderBean orderBean= new OrderBean();list = orderBean.getOrderdish1(Order_ID);for (int i=0;i<list.size();i+)%><tr><td><input type="hidden" name="Order_ID" value=" <%= list.ge

40、t(i).getOrder_ID() %>"> </td><td><img src=" <%= list.get(i).getUrl() %>" height ="40px" width ="60px" ></td><td>菜品编号： <%= list.get(i).getDish_ID() %></td><td>菜名： <%= list.get(i).getDish_Name() %><

41、/td><td>类型： <%= list.get(i).getType_ID() %></td><td>价格： <%= list.get(i).getDish_Name() %></td></tr><%></table><input type = "submit" name="submit" value="发货"style="width :100px;height:30px;"> </

42、form><br><br></center></body></html>Dingdan.jsp 文件：管理员查看订单详情<% pagelanguage="java" import="java.util.*" pageEncoding="UTF-8" %><% page language= "java" import = ".dingcan.javabean.*" %><%String path = r

43、equest.getContextPath();String basePath = request.getScheme() + ":/"+ request.getServerName() + ":" + request.getServerPort() + path + "/" ;%><!DOCTYPE HTML PUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"> <html ><head><basehref="<

44、%=basePath%>"><title >查询结果页面 </ title ><meta http-equiv ="pragma" content="no-cache" ><meta http-equiv ="cache-control" content="no-cache" ><meta http-equiv ="expires" content= "0" ><meta http-equ

45、iv ="keywords" content="keyword1,keyword2,keyword3" ><meta http-equiv ="description" content="This is my page" ><style type ="text/css" >body background-image :url(images/background/6.jpg) ; background-repeat :repeat-x ;</style>&

46、lt;/head>< body ><body bgcolor =lightyellow text =black link =red alink =green vlink = blue> <ahref="admin_center.jsp" >返回首页 </a><p align = right ><%String n = (String)session.getAttribute( "User_ID" );if(n = null )%><a href ="login_

47、admin.jsp" >登录 </a><%else %><form name="form1" action ="UserServlet?method=logout_admin" method="post" > 欢迎你， <%= session.getAttribute( "User_ID" )%><input type="submit" name="submit" value ="退出"

48、 ></ form ><% %><table><tr><td><form name="form2" action ="Dish_copyServlet?method=type" method="post" ><select name=Type_Name><option >面食<option >川菜<option >粤菜<option >鲁菜<option >浙菜<option &g

49、t;徽菜<option >闽菜<option >湘菜<option >苏菜</select>< p><input type=submit value="搜索"></form></td></table><form name="form2" action="Dish_copyServlet?method=select" method="post" > <p align = center>&

50、lt;input type ="text" name="Dish_Name" size="40" ><input type="submit" name="submit" value="DK 一下 " ></p></form><br><br><center><%List<Order> list= new ArrayList<Order>();OrderBean order

51、Bean= new OrderBean();list = orderBean.getOrd();for (int i=0;i<list.size();i+)%><form action ="OrderServlet?method=detail1" method="post"><table border="1" >%>"></td><tr><td><input type="hidden" name ="Ord

52、er_ID" value="<%= list.get(i).getOrder_ID() <td>订 单编号： <%= list.get(i).getOrder_ID() %></td><td>顾 客： <%= list.get(i).getUser_ID() %></td><td>订单状态： <%= list.get(i).getOder_State() %></td><td>总价： <%= list.get(i).getSumPrice()

53、%></td><td><input type="submit" name="submit" value =" 订 单 详 情 style="width:100px;height:30px;"></td></tr></ table></ form ><%><br><br></center></ body ></html >Dkcanting.jsp 文件：主页面，用户

54、可以注册，登录，可以查询 关于美食的所需信息<% page language= "java" pageEncoding ="UTF-8" %><% page language= "java" import = "java.sql.*" %><% page language= "java" import = ".dingcan.javabean.DBAccess" %><%String path = request.getContext

55、Path();String basePath = request.getScheme() + ":/"+ request.getServerName() + ":" + request.getServerPort()+ path + "/" ;%><!DOCTYPE HTML PUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"><html ><head><basehref="<%=basePath%>&quo

56、t;><title >DK 餐厅，订餐首选！ </title ><meta http-equiv ="pragma" content="no-cache" ><meta http-equiv ="cache-control" content="no-cache" ><meta http-equiv ="expires" content= "0" ><meta http-equiv ="keywo

57、rds" content="keyword1,keyword2,keyword3" ><meta http-equiv ="description" content="This is my page" ><style type ="text/css" > body background-image :url(images/background/6.jpg) ; background-repeat :repeat-x ;</style></head>&l

58、t;body bgcolor =lightyellow text =black link =red alink =green vlink = blue> <%DBAccess db = new DBAccess(); db.createConn(); db.query( "select * from dish" );System.out.println( "" );/ 结果集的对象ResultSet rs= db.getRs();/ 对结果集进行输出while (rs.next()System.out.println( " 菜 名

59、:" +rs.getString( "Dish_Name" )+"t" +" 格:" +rs.getString( "Price" );%><ahref="dkcanting.jsp" >返回首页 </a><p align = right ><%String n = (String)session.getAttribute( "User_ID" );if(n = null ) %><a href="

60、;login.jsp" >登录 </a><a href ="register.jsp" >注册 </a><%else %><form name="form1" action ="UserServlet?method=logout" method= "post" > 欢迎你， <a href=user_center.jsp ><%= session.getAttribute( "User_ID" )%&g

61、t;</a><input type="submit" name="submit" value ="退出" ></ form ><% %><a href=gouwuche.jsp>我的购物车 </a><br><br><table><tr><td><form name="form2" action ="DishServlet?method=type" method

62、="post" ><select name=Type_Name><option >面食<option >川菜<option >粤菜<option >鲁菜<option >浙菜<option >徽菜<option >闽菜<option >湘菜<option >苏菜</select>< p><input type=submit value="搜索"></form></td>&

63、lt;/table><form name="form2" action="DishServlet?method=select" method="post" ><p align = center><input type ="text" name="Dish_Name" size="40" ><input type="submit" name="submit" value="DK 一

64、下 " ></p></form></body></html>Gouwuche.jsp 文件：用户将所需美食放进购物车，在此可以提 交订单，可以取消订单<% page language="java" import="java.util.*" pageEncoding="UTF-8" %><% page language="java" import =".dingcan.javabean.*" %><%St

65、ring path = request.getContextPath();String basePath = request.getScheme() + ":/"+ request.getServerName() + ":" + request.getServerPort()+ path + "/" ;%><!DOCTYPE HTML PUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"><html><head><basehref=

66、"<%=basePath%>"><title >我的购物车</title><meta http-equiv ="pragma" content="no-cache" ><meta http-equiv ="cache-control" content="no-cache" ><meta http-equiv ="expires" content="0"><meta http

67、-equiv ="keywords" content= "keyword1,keyword2,keyword3" ><meta http-equiv ="description" content="This is my page" ><style type="text/css" >body background-image :url(images/background/6.jpg) ; background-repeat :repeat-x ;</style&

68、gt;</head>< body ><body bgcolor =lightyellow text =black link =red alink =green vlink = blue> <ahref="dkcanting.jsp" >返回首页 </a><p align = right ><%String n = (String)session.getAttribute( "User_ID" );if(n = null )%><a href="login.

69、jsp" >登录 </a><a href ="register.jsp" >注册 </a><%else %><form name="form1" action ="UserServlet?method=logout" method= "post 欢迎你， <a href=user_center.jsp ><%= session.getAttribute( "User_ID" )%></a><in

70、put type="submit" name="submit" value ="退出" ></ form ><% %><a href=gouwuche.jsp>我的购物车 </a><br><br><table><tr><td><form name="form2" action ="DishServlet?method=type" method="post"

71、> <select name=Type_Name><option >面食<option >川菜<option >粤菜<option >鲁菜<option >浙菜<option >徽菜<option >闽菜<option >湘菜<option >苏菜 </select><p><input type =submit value="搜索"></form></td></table><

72、;form name= "form2" action = "DishServlet?method=select" method ="post" ><p align = center><input type="text" name="Dish_Name" size="40" ><input type="submit" name="submit" value ="DK 一下 " >

73、;</p></form ><br><br><center><form action= "DishServlet?method=cancel" method= "post" ><table border="1" ><%String User_ID=(String) session.getAttribute( "User_ID" );List<Car> list= new ArrayList<Car>();

74、CarBean carBean= new CarBean();list = carBean.getCar(User_ID);for (int i=0;i<list.size();i+)%><tr><td><img src=" <%= list.get(i).getUrl() %>" height ="40px" width ="60px" ></td><td><input type="hidden" name="Di

75、sh_ID" value=" <%= list.get(i).getDish_ID() %>"><input type="hidden" name="User_ID" value=" <%= list.get(i).getUser_ID() %>"> </td><td>菜名： <%= list.get(i).getDish_Name() %></td><td>菜价： <%= list.get(i).

76、getPrice() %></td><td>菜系： <%= list.get(i).getType_ID() %></td><td><input type="submit" name="submit" value="取消订单"style=" width :100px;height :30px;" > </td></tr><% %></table></form><br>

77、<br><form action = "DishServlet?method=submitorder" method= "post" ><input type = "submit" name="submit" value="提交订单"style=" width :120px;height:50px;"> </form></center></body></html>Orderdetail.jsp

78、 文件：订单详情页面<% pagelanguage="java" import="java.util.*" pageEncoding="UTF-8" %><% pagelanguage="java" i mport = ".di ngcan.javabean.*"%><%String path = request.getContextPath();String basePath = request.getScheme() + ":/"+ requ

79、est.getServerName() + ":" + request.getServerPort() + path + "/" ;%><!DOCTYPE HTML PUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"><html><head><basehref="<%=basePath%>"><title >我的购物车</title><meta http-equiv ="p

80、ragma" content="no-cache" ><meta http-equiv ="cache-control" content="no-cache" ><meta http-equiv ="expires" content="0"><meta http-equiv ="keywords" content= "keyword 1 ,keyword2,keyword3" ><meta http

81、-equiv ="description" content="This is my page" ><style type="text/css" >body background-image :url(images/background/6.jpg) ; background-repeat :repeat-x ;</style></head><body><body bgcolor =lightyellow text = black link=redalink=greenvlink=blue> <ahref="dkcanting.jsp" >返回首页 </a><p align = right><%String n = (String)ses

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