当用户点击了一个商品，面板内容就会根据 panelGrid更新，与 product.jsp文件中定义的相似（href属性）。

When the user clicks on a product, the content of the panel is updated with a panelGrid similar to that defined in the product.jsp file (the href attribute).

youdao

当用户点击了一个商品，面板内容就会根据 panelGrid更新，与 product.jsp文件中定义的相似（href属性）。

When the user clicks on a product, the content of the panel is updated with a panelGrid similar to that defined in the product.jsp file (the href attribute).

youdao