This article mainly introduces jquery. the client-side shopping cart operation for cookie implementation analyzes jQuery's tips for implementing the shopping cart Function Based on cookie storage and operation data in the form of examples. For more information, see the follo
As a software engineer who does not work in a software company, it is not only to write back code (Php/java/sql ...), but also to take into account the work of the front-end Engineers (HTML/JAVASCRIPT/CSS ...). Here's how to share the front-end development of a shopping cart that is used in a real-world work project.
What is shared here is simply the operation o
By default, the shopping cart is hidden invisible, when the user clicks Add to the Shopping cart button, the product information will be added to the shopping cart, the cart will appear
Servlet/Jsp implement shopping cart
(1) Use servlet to implement a simple Shopping Cart system. The Project structure is as follows: (to create a web Project, you only need to add three files: AddItemServlet, ListItemServlet, and exam403.jsp. Do not worry about other files)
(2) The exam403.jsp code is as follows:
Unt
(1) using the servlet to implement a simple shopping cart system, the project structure such as the following: (New Web project projects only need Additemservlet, Listitemservlet. Exam403.jsp three files is available. Other no-tube)watermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqvegxnzw4xntczodc=/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/ Dissolve/70/gravity/southeast ">(2) Exam403.jsp code such as the follo
(1) using the servlet to implement a simple shopping cart system, the project structure is as follows: (new Web project projects only need Additemservlet, listitemservlet,exam403.jsp three files, others without tube)(2) The EXAM403.JSP code is as follows:(3) The Additemservlet code is as follows:Package Com.lc.shoppingcar;import Javax.servlet.*;import javax.servlet.http.*;import java.io.*;import java.util.*
whether the user has logged on.
If (! IsPostBack)
{
If (Request. Params ["mode"] = "view") // check whether the shopping cart is directly viewed.
{
ViewShoppingCart ();
Caculator ();
}
If (Request. Params ["productID"]! = Null | Request. Params ["productID"]! = "")
{
AddProID = Request ["productID"];
UpdateShoppingCart ();
Caculator ();
}
}
// Place user code here to initialize the page
}
Public void Creat
d = 0.0;
set
for (String S:set) {
D+=cart.get (s). Gettotal ();
}
BigDecimal bd = new BigDecimal (d);
return Bd.doublevalue ();
}
Delete a form item
public void Delete (String bid) {
Cart.remove (BID);
}
Empty shopping Cart
public void Clear () {
Cart.clear ();
}
Get the number of for
--#)
*/
$quant = Total amount of 0;//items
$query = SELECT * from $table WHERE session= ' $session ';
$result = mysql_query ($query);
while ($row = Mysql_fetch_object ($result)) {
/*
Take each item out individually
*/
$quant + = $row->quantity; The amount of the item is added to the total amount.
}
return $quant; Return Total
}
}
http://www.bkjia.com/PHPjc/320144.html www.bkjia.com true http://www.bkjia.com/PHPjc/320144.
model, $id incoming is the controller's value, this example of the controller is written in the body, if you do not understand can go to see the official website.3, define the shopping cart inside the goodsIn the actual project, this is definitely obtained through the background, here for the demonstration directly defined, from the 1th HTML structure can be see
This article explains in detail how to use php to implement the shopping cart function and explains it in the form of diagrams + code. First, there are several simple login pages
After logging on to the page, you need to go to the processing page and call up the user name and password from the database:
Query ($ SQL); if ($ arr [0] [0] ==$ pwd ! Empty ($ pwd)
: // 172.16.1.20./ csrfYohu.html to start automatically traversing the shopping cart content of Account B.
Shopping Cart before deletion
After running for half a minute, I found that one shopping cart was missing! @@!
Csrf atta
Shopping cart is a necessary function of e-commerce, can let users buy multiple products at one time, the common shopping cart implementation methods are as follows:1. After the user updates the item in the shopping cart, the page
Shopping information:{' name ': [[' iphone ', 5800], [' Bike ', ' + '], ' CX ': [[' iphone ', 5800], [' Apple ', 5], [' Apple ', 5], [' Book ', ' 75] '}In dictionary form, corresponding user name and historical shopping recordFour. Flowchart:#!/usr/bin/env python#-*-Coding:utf-8-*-# Author:evenset = False # Sets the setting to exit if the input is QFile = open
: (function (){
Function Constract (){
Jusoc. BLL. Shopping. Get (null, SetShoppingCart );
}
Function SetShoppingCart (data ){
// Fill in the data in the shopping cart here
Var data = Jusoc. BLL. Shopping. GetData ();
// Create the entire shopping
positioning" left ": Addimg.offset (). Left,//the left position of the picture" top ": Addimg.offset (), to P,//the top position of the picture "Z-index": "200",//level, bigger more on "opacity": "0.5"//transparency Translucent }); Clone to Body on cart location Cloneimg.appendto ($ ("body")). Animate ({"width": "50px",//width "height" after cloning: "50 PX ",//Wide" left "after cloning: $ (" #dcar "). Offset (). Left,//left position
(Data! = Null Data)Data = null;}}})(),XHR :{}}Jusoc. UI = {ShoppingCart: (function (){Function Constract (){Jusoc. BLL. Shopping. Get (null, SetShoppingCart );}Function SetShoppingCart (data ){// Fill in the data in the shopping cart hereVar data = Jusoc. BLL. Shopping. GetData ();// Create the entire
not be separated.
2 user operation results should be in the vicinity of the operating area to give timely feedback
The operation feedback should be displayed in the user's operation area of concern, and the link should be positioned to the change area. If you click on the Checkout button, there is no goods, then the button area feedback no goods, and the link to locate the goods line.
3 The revocation function is superior to the two confirmation operation (under the non-critical process)
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