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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 Ianguage ="java"pageEncoding ="UTF-8"%><%Stri ng path = request.getC on textPath();Stri ng basePath = request.getScheme() + request.getServerName() +":" + request.getServerPort()+ path +"/"%> <! D

2、OCTYPEHTMLPUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"><html ><head><basehref =" <%=basePath %> ><title登录页面</ title ><meta<meta<meta<metahttp-equiv http-equiv http-equiv http-equiv="pragma" content ="no-cache" >=&q

3、uot;cache-control"content ="no-cache" ><meta<style body http-equivtype ="text/css"="expires"content ="0" >="keywords" content ="keyword1,keyword2,keyword3" >="descriptio n"content ="This is my page"&g

4、t;>background-image : url(images/background/6.jpg) background-repeat : repeat-x ;</ style ></head> <body bgcolor =lightblue ><a href =dkcanting.jsp >返回首页 </ a>vform name="form1" action ="UserServlet?method=login"method ="post" ><ta

5、ble 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 ></ tr ><tr >&

6、lt;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"> <ahref ="r

7、egister.jsp">注册新用户 </a></td>v/tr ></ table ></ form ></ body ></ html >Login_admi n.jsp 文件：用于管理员的登录<%page Ianguage ="java"pageEncoding ="UTF-8"%><%Stri ng path = request.getC on textPath();Stri ng basePath = request.getSchem

8、e() +":/"+ request.getServerName() +":" + request.getServerPort()+ path +"/"%> <! DOCTYPEHTMLPUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"><html > <head><basehref =" <%=)asePath %>' ><title登录页面</ title ><met

9、a<meta<metahttp-equivhttp-equivhttp-equiv="pragma" content ="no-cache" > ="cache-control"content ="no-cache" ><meta<meta<style body http-equivhttp-equivtype ="text/css" >="expires"content ="0" >="ke

10、ywords" content ="keyword1,keyword2,keyword3" >="descriptio n"content ="This is my page">background-image : url(images/background/6.jpg) background-repeat : repeat-x ; </ style ></head> <body bgcolor =lightblue ><form name="form1&quo

11、t; 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 ="text"

12、name="User_ID" size ="10" ></ td ></ tr ><tr ><td > 密码 </ td ><td ><input type ="password" name="Password" size ="10" ></ td >v/tr ><tr ><td colspan ="2" ><inputtype =&quo

13、t;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"%><%Stri ng path = request.getC on textPath();Stri n

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

15、meta<meta>注册页面http-equivhttp-equiv</ title >="pragma" content ="no-cache" >="cache-control"content ="no-cache" ><meta<metahttp-equiv http-equiv<metahttp-equivtype ="text/css" >="expires"content ="0" &

16、gt;="keywords" content ="keyword1,keyword2,keyword3" >="descriptio n"content ="This is my page"><stylebody background-image : url(images/background/6.jpg) background-repeat : repeat-x ;</ style > </head> <body bgcolor =lightblue ><

17、;a href =dkcanting.jsp >返回首页 </ a>vform 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 ><t

18、d >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 ></ t

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

20、 ></ td ></ tr ><tr ><td >送餐地址</ td ><td ><input type ="text"name="User_Address" size ="10"></td></ tr ><tr >value ="<td colspan ="4" align =center ><input type -'submit" nam

21、e="submit" 注册"> </ td ></ tr ></ table ></ form ></ body ></ html >Admin_ce nter.jsp文件：管理员中心界面，管理全部信息<%page language ="java"pageEncoding ="UTF-8"%><%Stri ng path - request.getC on textPath();Stri ng basePath - request

22、.getScheme() +":/"+ request.getServerName() +":" + request.getServerPort()+ path +"/"%> <! DOCTYPEHTMLPUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"> <html ><head><base href =" <%=basePath %>' ><title>管理员 </ tit

23、le ><meta http-equiv="pragma" content ="no-cache" ><meta http-equiv="cache-c on trol"content ="no-cache" ><meta http-equiv ="expires"content ="0" ><meta http-equiv="keywords" content ="keyword1,keyword

24、2,keyword3" ><meta http-equiv="descriptio n"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

25、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 %>vform name="form1" action ="UserServlet?method=logout_admin"me

26、thod="post" >欢迎你，<%=session.getAttribute("User_ID" ) %><input type -'submit" name="submit" value ="退出"></ form ><% %><table ><tr ><td ><form name="form2" action ="Dish_copyServlet?method=t

27、ype"method -"post" ><select n ame=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"></ for

28、m ></ 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 -'submit"</ p>n a

29、me="submit"value="DK一下” ></ form ><br ><br ><br ><br ><center >vform action ="dingdan.jsp"method="get"<in puttype -'submit"n ame="butt on"value ="查看订单 ” id -"button":30px;" >style -

30、"width : 150px; height</ form ></ center ></ 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 -"com.dingcan.javabean.

31、*"%><%Stri ng path - request.getC on textPath();Stri ng basePath - request.getScheme() +":/"+ request.getServerName() +":" + request.getServerPort()+ path +"/"%><! DOCTYPEHTMLPUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"><html ><hea

32、d><base href -" <%=basePath %>' ><title >管理员 </ title ><meta http-equiv-"pragma" content -"no-cache" ><meta http-equiv-"cache-c on trol"content ="no-cache" ><meta http-equiv -"expires"content -"

33、0" ><meta http-equiv-"keywords" content -"keyword1,keyword2,keyword3" ><meta http-equiv-"descriptio n"content -"This is my page" ><style type -"text/css"> body background-image : url(images/background/6.jpg)background-repeat

34、: repeat-x</ style ></head >vbody bgcolor =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 %>vfo

35、rm name="form1" action ="UserServlet?method=logout_admin"method="post" >欢迎你，<%=session.getAttribute("User_ID" ) %><input type -'submit"name="submit" value ="退出"></ form ><% %><table ><tr ><

36、td ><form name="form2" action ="Dish_copyServlet?method=type"method -"post" ><selectn ame=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</

37、select ><p><input type -submit value -"搜索"></ form ></ td ></ table ><form n ame="form2" acti on ="Dish_copyServlet?method=select"method-"post"><p align - center ><input type -"text" name="Dish_Nam

38、e" size -"40" ><input type -"submit" name-"submit" value ="DK一下"></ p></ form ><br ><br ><center >vform action ="OrderServlet?method=fahuo"method="post" >vtable border ="1" ><%S

39、tring Order_ID=(String) session.getAttribute("Order_ID");List<Orderdish> list= new ArrayList<Orderdish>();OrderBea n orderBea n= new OrderBea n();list = orderBea n.getOrderdish1(Order_ID);for (int i=O;i<list.size();i+)%><tr ><td ><in puttype ="hidde n&

40、quot;n ame="Order_ID"value =" <%=ist.get(i).getOrder_ID()%>'></ td ><td ><img src =" <%=ist.get(i).getUrl()%>' height ="40px" width ="60px" ></ td ><td >菜品编号： <%=ist.get(i).getDish_ID()</ td ><td

41、 >菜名：<%=st.get(i).getDish_Name()</ td ><td >类型：<%=st.get(i).getType_ID()</ td ><td >价格：<%=st.get(i).getDish_Name()</ td ></ tr >%>%>%>%><%> </ table ><input type ="submit" name="submit" value ="发货&quo

42、t;style =" width : 100px; height : 30px;" ></ form > <br > <br ></ center ></ body ></ html >Dingdan.jsp文件：管理员查看订单详情<%page Ianguage ="java" import ="java.util.*" pageEncoding ="UTF-8"%><%page language ="java

43、" import ="com.dingcan.javabean.*"%><%String path = request.getC on textPath();Stri ng basePath = request.getScheme() + request.getServerName() + request.getServerPort()+ path +"/"%> <! DOCTYPEHTMLPUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"><html

44、 > <head> <base href =" <%=basePath %>' ><title>查询结果页面</ title ><meta<metahttp-equiv http-equiv="pragma" content ="no-cache" >="cache-control"content ="no-cache" ><meta<meta<metahttp-equivhttp-equi

45、v http-equiv<style body type ="text/css"="expires"content ="0" >="keywords" content ="keyword1,keyword2,keyword3" >="descriptio n"content ="This is my page">>background-image : url(images/background/6.jpg) backgroun

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

47、 = null )%><a href ="login_admin.jsp">登录</ a><%else %>vform name="form1" action ="UserServlet?method=logout_admin"method="post" >欢迎你，<%=session.getAttribute( "User_ID" ) %><input type -'submit" name="sub

48、mit" value ="退出"></ form ><% %><table ><tr ><td >vform name="form2" action ="Dish_copyServlet?method=type"method ="post" ><selectn ame=Type_Name<option >面食<option >川菜<option >粤菜<option >鲁菜<

49、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 ><formn ame="form2" acti on ="Dish_copyServlet?method=select"method="post&

50、quot;><p align = center ><input type -'text" name="Dish_Name" size ="40" ><input type -"submit" name="submit" value ="D下"></ p></ form ><br ><br ><center ><%List<Order> list-new Arr

51、ayList<Order>();OrderBea n orderBea n= new OrderBea n();list - orderBea n. getOrd();for (int i=O;i<list.size();i+)%><form action ="OrderServlet?method=detail1" method="post" ><table border ="1" ><tr ><td ><inputtype -"hidden&q

52、uot;name="Order_ID"value ="<%=ist.get(i).getOrder_ID()%>'></td><td >订单编号：<%=ist.get(i).getOrder_ID()%></ td ><td >顾客姓名：<%=ist.get(i).getUser_ID()%></ td ><td >订单状态：<%=ist.get(i).getOder_State()%></ td ><td >

53、;总价：<%=st.get(i).getSumPrice()%></ td ><td ><input type -'submit"name="submit"value ="订 单 详 情 "style =" width : 100px; height : 30px;" ></ td ></ tr ></ table ></ form ><%><br ><br ></ center

54、></ body ></ html >Dkca nti ng.jsp文件：主页面，用户可以注册，登录，可以查询关于美食的所需信息<%page<%page<%page<%lan guage ="java"lan guage ="java"lan guage ="java"pageE ncodi ng ="UTF-8" %>import ="java.sql.*" %>import ="com.d in gca n.java

55、bea n.DBAccess"%>Stri ng path - request.getC on textPath();String basePath - request.getScheme() + request.getServerName() + path +"/"":/"II. I!+ request.getServerPort()%> <! DOCTYPEHTMLPUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN"> vhtml ><head>

56、;<base<title<meta<meta<meta<meta<metahref =" <%=basePath %> >>DK餐厅，订餐首选！</ title >http-equiv http-equiv http-equiv http-equiv http-equivtype ="text/css"="pragma" content ="no-cache" >="cache-control"content ="

57、;no-cache" >="expires"content ="0" >="keywords" content ="keyword1,keyword2,keyword3" > ="descriptio n"content ="This is my page" >><stylebody background-image : url(images/background/6.jpg):repeat-xbackgrou nd-repeat

58、</ style ></head><body bgcolor =lightyellow<%DBAccess db =n ewDBAccess();db.createC onn();db.query( "select * from dish" System.out.pr intln("'/结果集的对象 ResultSet rs= db.getRs();/对结果集进行输岀while (rs.next() System.out.pri ntl n(格:"+rs.getString("Price")

59、;%><a href ="dkcanting.jsp">返回首页 </a><p align = right ><%Stri ng n = (Stri ng)sessi on .getAttribute(if (n = null )%><a href ="login.jsp">登录</ a><a href ="register.jsp">注册</ a>text =black link =red alink=green vlink =bl

60、ue >）；）；"菜名:"+rs.getString("Dish_Name" )+ "t" +"价"User_ID");<%else %><form name="form1" action ="UserServlet?method=logout"method="post" >欢迎你，<a href =user_center.jsp ><%=session.getAttribute("Use

61、r_ID" ) %></ 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?

62、method=type"method="post" ><select n ame=Type_Name<option >面食voption >川菜voption >粤菜voption >鲁菜voption >浙菜voption >徽菜voption >闽菜voption >湘菜voption >苏菜v/ select >vp>vinput type =submit value ="搜索">v/ form >v/td >v/ table >v

63、formn ame="form2" acti on ="DishServlet?method=select"method ="post"><p align = center >vinput type -'text" name="Dish_Name" size ="40" >vinput type -"submit" name="submit" value ="DK一下">v/ p>v

64、/ form >v/ body >v/ 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v%page Ianguage -"java" import -"java.util.*"pageEncoding ="UTF-8"%>v%page language -"java" import -"com.dingcan.javabean.*"%>v%Stri ng path - request.getC on textPat

65、h();Stri ng basePath - request.getScheme() +":/"+ request.getServerName() +":" + request.getServerPort()+ path +"/"%>v! DOCTYPEHTMLPUBLIC "-/W3C/DTD HTML 4.01 Transitional/EN">vhtml >vhead>vbase href =" v%=basePath %>' > vtitle>我的

66、购物车v/ title >vmeta http-equiv-"pragma" content ="no-cache" > vstyle type ="text/css" >vmeta http-equiv-"cache-c on trol"content -"no-cache" >vmeta http-equiv -"expires"content -"0" >vmeta http-equiv-"keywords&q

67、uot; content -"keyword1,keyword2,keyword3" >vmeta http-equiv-"descriptio n"content -"This is my page" >body background-image : url(images/background/6.jpg);background-repeat : repeat-x ;</ style ></head><body><body bgcolor =lightyellow text =b

68、lack link =red alink<a href ="dkcanting.jsp">返回首页 </ a><p align = right ><%String n = (String)session.getAttribute("User_ID");if (n = null )%><a href ="login.jsp">登录</ a><a href ="register.jsp">注册</ a><%else %

69、>vform name="form1" action ="UserServlet?method=logout" 欢迎你， <a href =user_center.jsp ><%=sessio n.getAttribute("User_ID"</ a><input type -'submit"name="submit" value ="退出"</ form ><% %><a href -gouwuche.j

70、sp >我的购物车 </a><br ><br ><table ><tr ><td ><form name="form2" action ="DishServlet?method=type" <selectn ame=Type_Name<option >面食<option >川菜<option >粤菜<option >鲁菜<option >浙菜<option >徽菜<option >闽

71、菜<option >湘菜<option >苏菜green vlink -blue >method="post)%>>method="post" ></ select ><p><input type =submit value ="搜索"></ form ></ td > </ table ><formname-"form2" action -"DishServlet?method-selec

72、t"method -"post"><p align - center ><input type -"text"name="Dish_Name" size -"40" >value ="DK下"><input type -"submit" name-"submit"</ p></ form > <br > <br ><ce ntervformacti o

73、n ="DishServlet?method=ca ncel"method - 'post" ><tableborder ="1" ><%Stri ng User_ID-(Str ing) sessi on. getAttribute( List<Car> list- new ArrayList<Car>(); CarBean carBean- new CarBean();list - carBea n. getCar(User_ID);"User_ID");for (

74、int i=O;i<list.size();i+)%><tr ><td ><imgsrc =" <%=st.get(i).getUrl()%> height ="40px" width ="60px" ></ td ><td ><in put<in put</ td >type -"hidden" name="Dish type -"hidden" name="User_ID&q

75、uot;ID"value ="<%=ist.get(i).getDish_ID()value ="<%=ist.get(i).getUser_ID()%>'>%>'><td >菜名:<%=Hst.get(i).getDish_Name()%></ td ><td >菜价:<%=st.get(i).getPrice()%></ td ><td >菜系:<%=st.get(i).getType_ID()%></ td

76、 ><td >n ame="submit"="submit"<i nputstyle -"width : 100px; height : 30px;" ></ td >typevalue -" 取 消 订</ tr ><% %>v/table ></ form ><br ><br >vform action ="DishServlet?method=submitorder"method - '

77、;post" ><in put type ="submit"n ame="submit"value ="提 交 订style =" width : 120px; height : 50px;" ></ form ></ center ></ body ></ html >Orderdetail.jsp 文件：订单详情页面<%page language ="java" import ="java.util.*&quo

78、t;pageEncoding ="UTF-8"%><%page language ="java" import ="com.dingcan.javabean.*"%><%Stri ng path - request.getC on textPath();Stri ng basePath - request.getScheme() +":/"+ request.getServerName() +":" + request.getServerPort()+ path +"/"%> <! DOCTYPEHTMLPUBLIC &quo

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