Php shopping cart program

This is a simple php code developed and used by myself for the shopping cart function. a few files are used and no database is used to implement the shopping cart. if the user closes the browser, the items in the shopping cart will

This is a simple php code developed and used by myself for shopping cart functions. a few files are used and no database is used to implement shopping cart. if the user closes the browser, all the items in the shopping cart will be lost. if you need it, you can improve it. it is better to use database + session + cookie.

2. Class Shopcar
3. {
4. // Product list
5. Public $ productList = array ();
6. /**
7. *
8. * @ Param unknown_type $ the product to be imported
9. * @ Return true no such item exists in the shopping cart
10. */
11. Public function checkProduct ($ product)
12. {
13. For ($ I = 0; $ I ProductList); $ I ++)
14. {
15. If ($ this-> productList [$ I] ['name'] = $ product ['name'])
16. Return $ I;
17. }
18. Return-1;
19. }
20. // Add to shopping cart
21. Public function add ($ product)
22. {
23. $ I = $ this-> checkProduct ($ product );
24. If ($ I =-1)
25. Array_push ($ this-> productList, $ product );
26. Else
27. $ This-> productList [$ I] ['num'] + = $ product ['num'];
28. }
29. // Delete
30. Public function delete ($ product)
31. {
32. $ I = $ this-> checkProduct ($ product );
33. If ($ I! =-1)
34. Array_splice ($ this-> productList, $ I, 1 );
35.  
36. }
37. // Returns information about all products.
38. Public function show ()
39. {
40. Return $ this-> productList;
41. }
42. }
43. Html
44.  
45.  
46.  
48. Insert title here 
49. Script
51. Function buy (I)
52. {
53. Var num = $ (': input [name = num]') [I]. value;
54. Var name = $ ('[name = name]') [I]. innerHTML;
55. Var price = $ ('[name = price]') [I]. innerHTML;
56. Alert (num + name + price );
57. $. Ajax ({
58. Type: 'post', // transfer method, get/post
59. Url: 'Index. php', // address for sending data
60. Cache: 'false ',
61. Data: 'Num = '+ num + "& name =" + name + "& price =" + price,
62. Success: function (data)
63. {
64. Alert (data );
65. }
66. })
67.  
68. }
69. Script
70.  
71.  
          'Show. php'> view shopping cart  

Product No.	Product Name	Price	Quantity	Purchase
0	Item 1	1		'Buy (0) '>'Blue '> purchase
1	Product 2	2		'Buy (1) '> purchase
2	Item 3	1		'Buy (2) '> purchase
3	Product 4	1		'Buy (3) '> purchase

 
80.  
81.  
82. Index. ph
84. Require 'shopcar. class. php ';
85. Session_start ();
86. $ Name = $ _ POST ['name'];
87. $ Num = $ _ POST ['num'];
88. $ Price = $ _ POST ['price'];
89. $ Product = array ('name' => $ name, 'num' => $ num, 'price' => $ price );
90. Print_r ($ product );
91. If (isset ($ _ SESSION ['shopcar '])
92. $ Shopcar = unserialize ($ _ SESSION ['shopcar ']);
93. Else
94. $ Shopcar = new Shopcar ();
95. $ Shopcar-> add ($ product );
96. $ _ SESSION ['shopcar '] = serialize ($ shopcar );
97. Show. php
98.  
99.  
100.  
102.  
103.  
104.  
108. Session_start ();
109. $ Shopcar = unserialize ($ _ SESSION ['shopcar ']);
110. Print_r ($ shopcar );
111. $ ProductList = $ shopcar-> productList;
112. Foreach ($ productList as $ product ){
113. ?>
115.  
117. Require 'shopcar. class. php ';
   

Product No.	Product Name	Price	Quantity
1			'/>

 
118.  
119.