文档介绍：目录
摘要.................................................................,.4
第一章................................................ ,,,,,,,.........5
系统的开发背景及意义....................................,,,......5
系统的开发背景...............................................5
系统开发意义................................................6
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第二章网上购物系统需求分析...........................................9
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第三章系统数据库设计................................................14
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第四章系统实现过程..................................................19
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