文件名：都市信息供求系统，提供会员注册，为会员提供对都市供求信息的查询，发布，以及对发布信息的修改删除。JSP+sql设计完成，功能强大-File Name: supply and demand of the urban information system to provide members registered for the Member to provide information on supply and demand in the city query, publish, and