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PHP 购物车应该如何做

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Release： 2016-06-13 12:19:18
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PHP 购物车应该怎么做
在HTML页面上我是这样写的：
            
            
            

minus=减一个，addOne=加一个，相应的choice_num变化。效果图：


方法里：addOne(),minus()。应该怎么做才能存取？
最后在确定好下单的时候我需要一个JSON能获取购物车里的所有信息。应该怎么做
------解决思路----------------------
1，在addOne()和minus()方法中用ajax访问php页面。
2，php页面中进行数据库增减操作。

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