Cookies are data that the server stores on the client, such as passwords, and some data that you have visited.
Cookies do not support Chinese display, and when necessary, transcoding and decoding are required.
Simulates the selection process with an array and puts all the options in the ArrayList.
<% @page import= "Java.util.ArrayList"%>
<%@ page language= "java" contenttype= "text/html; Charset=utf-8 "
pageencoding= "UTF-8" import= "java.util.*"%>
<%@ taglib uri= "Http://java.sun.com/jsp/jstl/core" prefix= "C"%>
<! DOCTYPE HTML PUBLIC "-//w3c//dtd HTML 4.01 transitional//en" "HTTP://WWW.W3.ORG/TR/HTML4/LOOSE.DTD" >
<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 ">
<title></title>
<script language= "JavaScript" >
function Deletegoods (obj) {
var rowIndex = Obj.parentNode.parentNode.rowIndex;
var table = document.getElementById ("table");
Table.deleterow (RowIndex);
}
</script>
<body>
<p>
<%
Set cookies
arraylist<string[]> list = new arraylist<string[]> ();
List.add (New string[]{"1001", "Img/1.jpg", "Classic basic section low help canvas shoes 2.0 pink Green", "#", "39", "¥69.00", "1"});
List.add (New string[]{"1002", "img/2.jpg", "base rib y word strap vest milk blue", "#", "M", "¥9.00", "1"});
int times = 1*24*60*60;
for (int i=1;i<=list.size (); i++) {
String[] strings = new String[list.get (i-1). length];
for (int j=0;j<list.get (i-1). length;j++) {
Strings[j]=java.net.urlencoder.encode (List.get (I-1) [j], "UTF-8");
}
Cookie cookie = new Cookie ("Item_id_" +i,strings[0]);
Cookie.setmaxage (times);
Response.addcookie (cookie);
Cookie = new Cookie ("Item_img_" +i,strings[1]);
Cookie.setmaxage (times);
Response.addcookie (cookie);
Cookie = new Cookie ("Item_title_" +i,strings[2]);
Cookie.setmaxage (times);
Response.addcookie (cookie);
Cookie = new Cookie ("Item_url_" +i,strings[3]);
Cookie.setmaxage (times);
Response.addcookie (cookie);
Cookie = new Cookie ("Item_size_" +i,strings[4]);
Cookie.setmaxage (times);
Response.addcookie (cookie);
Cookie = new Cookie ("Item_price_" +i,strings[5]);
Cookie.setmaxage (times);
Response.addcookie (cookie);
Cookie = new Cookie ("Item_number_" +i,strings[6]);
Cookie.setmaxage (times);
Response.addcookie (cookie);
}
%>
<%
Get cookies
cookie[] cookies = request.getcookies ();
if (cookies!=null && cookies.length>0) {
for (int i=0; i<cookies.length;i++) {
Out.print (Cookies[i].getname () + "————" + Java.net.URLDecoder.decode (Cookies[i].getvalue (), "UTF-8") + "<br/>") ;
}
}
if (cookies!=null && cookies.length>5) {
arraylist<string[]> goodslist = new arraylist<string[]> ();
int i=1;
for (int j=0;j<cookies.length/7;j++) {
String[] strings = new STRING[7];
for (int k=0;k<strings.length;k++) {
Strings[k]=java.net.urldecoder.decode (Cookies[i++].getvalue (), "UTF-8");
}
Goodslist.add (strings);
}
Pagecontext.setattribute ("Goodslist", goodslist);
}
Pagecontext.setattribute ("Length", cookies.length);
%>
</p>
<form name= "Form1" method= "Post" action= "" >
<table width= "border=" "0" id= "table" >
<tr>
<td>id/Picture/Product name </td>
<td>SIZE</td>
<td> Price </td>
<td> Quantity </td>
<td> </td>
</tr>
<c:foreach items= "${goodslist}" var= "goods" >
<tr id= "${goods[0]}" >
<td>${goods[0]}</a><a target= "_blank"
Title= "${goods[2]}" href= "${goods[3]}" >${goods[2]}</a></td>
<td>${goods[4]}</td>
<td>${goods[5]}</td>
<td>${goods[6]}</td>
<td><a href= "#" > Favorites </a> <a href= "#" onclick= "Deletegoods (This)" > Delete </a></td>
</tr>
</c:forEach>
</table>
</form>
<p> </p>
</body>
The above section is the cookie obtained.
The following section is to put the cookie through the layout, into the shopping cart page.
Clicking Delete will delete the current row dynamically.
