简单购物车
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"简单购物车"是一个基于JavaWeb技术开发的网上商城项目,采用了MySQL作为数据库管理系统,JDBC作为数据库连接接口,以及C3P0作为数据库连接池技术。该项目包含了用户登录注册、后台管理以及购物车功能,提供了基本的电商操作体验。 MySQL是世界上最流行的开源关系型数据库之一,它在处理大量数据时表现优秀且稳定性强。在这个项目中,MySQL用于存储商品信息、用户数据、订单记录等核心业务数据。JDBC(Java Database Connectivity)是Java语言与各种数据库交互的标准接口,它允许Java程序通过编写SQL语句来操作数据库。 C3P0是一个开源的JDBC连接池,它实现了数据源和JNDI绑定,支持JDBC3规范和JDBC2的标准扩展。C3P0的主要优点包括自动管理数据库连接,提高数据库操作效率,同时能有效防止数据库连接泄露。在这个项目中,C3P0用于管理和优化数据库连接,确保多个用户请求可以高效地共享和使用数据库资源。 项目结构中,`.classpath`文件是Eclipse或MyEclipse项目的类路径配置文件,它包含了项目中所需库的引用信息。`.mymetadata`和`.project`文件是MyEclipse的工作空间元数据,它们定义了项目的特性、构建配置和其他相关信息。`b2b.sql`很可能是数据库脚本文件,用于初始化数据库表结构和数据。`src`目录下通常存放Java源代码,包含了项目中的各个业务逻辑和控制层组件。`WebRoot`是Web应用的根目录,包含HTML、CSS、JavaScript文件以及Servlet和JSP页面。`.myeclipse`文件夹是MyEclipse的项目配置信息,可能包含自定义的服务器配置、部署描述符等。 在jsp+servlet的技术栈中,JSP(JavaServer Pages)是动态网页技术,负责视图层的展示,而Servlet则主要处理业务逻辑和控制流程。用户通过浏览器访问JSP页面,JSP页面通过Servlet进行后端处理,如用户登录验证、添加商品到购物车等操作。Servlet将处理结果返回给JSP,JSP再将这些数据渲染成HTML展示给用户。 "简单购物车"项目是一个基础的电商系统实现,它利用JavaWeb技术栈和数据库管理技术,为用户提供了一个基础的在线购物环境。开发者可以通过这个项目学习到如何使用MySQL、JDBC、C3P0以及JSP和Servlet进行Web应用开发,同时掌握用户认证、购物车管理等电商功能的实现方法。
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