PHP+jQuery 可拖动的Ajax购物车实例，带有提示功能的商品展示，用鼠标拖动商品到购物车中，即可选中商品，购物车程序可根据拖入的产品数量进行统计，自动给出价格。-PHP+ jQuery can drag the Ajax shopping cart example, with a reminder of the goods displayed with the mouse drag the goods to the shopping cart, you can the goods, s