帝国ECMS实现AJAX无刷新加入购物车的方法主要步骤如下：

1

2

3

4

5

<script type="text/javascript" src="[!--news.url--]skin/default/js/jquery.js"></script>

<script type="text/javascript" src="[!--news.url--]skin/default/js/addBuyCar.js"></script>

<script type="text/javascript">

var newsurl='<?=$public_r[newsurl]?>';

</script>

1

<a href="#ecms" onclick="AddProduct([!--classid--],[!--id--]);">加入购物车</a>

1

2

3

4

5

6

7

8

9

10

11

function AddProduct(classid,id) {

$.ajax({

type: "post",

url: newsurl+"e/template/ShopSys/addBuyCar.php",

data:"classid="+classid+"&id="+id,

dataType: "json",

success: function (json) {

alert(json.msg);

}

})

}

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

<?php

require("../../class/connect.php");

require("../../class/db_sql.php");

require("../../data/dbcache/class.php");

require("../../class/ShopSysFun.php");

$link=db_connect();

$empire=new mysqlquery();</p> <p>//$_POST

$classid=(int)$_POST['classid'];

$id=(int)$_POST['id'];</p> <p>//add function

function json_AddBuycar($classid,$id){

global $class_r,$empire,$dbtbpre,$public_r;

$classid=(int)$classid;

$id=(int)$id;

if(empty($classid)||empty($id)||empty($class_r[$classid][tbname]))

{

return json_encode(array('msgid'=>1,'msg'=>'此商品不存在'));

}

//验证产品是否存在

$num=$empire->gettotal("select count(*) as total from {$dbtbpre}ecms_".$class_r[$classid][tbname]." where

classid='$classid' and id='$id' limit 1");

if(!$num)

{

return json_encode(array('msgid'=>1,'msg'=>'此商品不存在'));

}

$record="!";

$field="|";

$productid=$classid.",".$id;

$buycar=getcvar('mybuycar');

//重复

if(strstr($buycar,"|".$productid."|"))

{

$pr=explode("|".$productid."|",$buycar);

$pr1=explode("!",$pr[1]);

$oldbuycar="|".$productid."|".$pr1[0]."!";

//数量

$pr1[0]=ReturnBuycarProductNum($pr1[0]);

if(empty($pr1[0]))

{

$pr1[0]=1;

}

$newnum=$pr1[0]+1;

$newbuycar="|".$productid."|".$newnum."!";

$buycar=str_replace($oldbuycar,$newbuycar,$buycar);

}

else

{

//只存放一个

if($public_r['buycarnum']==1)

{

$buycar='';

}

$buycar.="|".$productid."|1!";

}

$re=SetBuycar($buycar);

if($re)

{

return json_encode(array('msgid'=>2,'msg'=>'商品加入购物车成功'));

}

}

echo json_AddBuycar($classid,$id);

db_close();

$empire=null;

?>