1。注册会员发布商品功能，可以上传商品图片。 2。注册会员修改商品功能，可以修改商品图片，旧的商品图片将被删除。 3。注册会员删除商品功能，删除商品信息的同时将...

代码说明：

1。注册会员发布商品功能，可以上传商品图片。 2。注册会员修改商品功能，可以修改商品图片，旧的商品图片将被删除。 3。注册会员删除商品功能，删除商品信息的同时将删除商品图片。 4。管理员发布公告功能。 5。管理员对商品的修改、删除功能（同注册会员对商品的管理功能）。 6。管理员对注册会员的修改、删除功能，删除会员时将删除会员发布的所有商品信息及其商品图片。 7。美化了程序，并进行了分页功能。 8.更新一些基本功能和BUG-1. Member registration issued commodity function can upload pictures of goods. 2. Register to amend the Trade function could amend the Trade photographs, old pictures of goods will be deleted. 3. Member registration commodity function to delete, delete commodity information at the same time to remove items pictures. 4. Administrators issued a public notice function. 5. Managers of commodity modification, deletion function (with a registered membership of commodity management functions). 6. Administrators of registered members of the modification, deletion function to delete Member Member will be deleted when the release of information about goods and merchandise photos. 7. Landscaping procedures, and the tabs. 8. Update some of the basic functions and BUG