目录
第一章绪论 ................................................................................................2
1.1 研究背景与意义 ..................................................................................2
1.2 系统研究现状 ......................................................................................2
1.3 系统研究内容 ......................................................................................3
第二章关键技术介绍 ................................................................................4
2.1python 开发语言 ...................................................................................4
2.2 Hadoop 框架介绍 ................................................................................4
2.3 Scrapy 介绍 ..........................................................................................5
2.4MySQL 数据库 .....................................................................................5
2.5 B/S 模式 ...............................................................................................6
2.6 django 框架 ..........................................................................................6
第三章系统需求分析 ................................................................................7
3.1 设计目标 ..............................................................................................7
3.2 系统可行性分析 ..................................................................................7
3.2.1 技术可行性.............................................................................................7
3.2.2 经济可行性.............................................................................................7
3.2.3 操作可行性.............................................................................................7
3.3 系统 UML 用例分析 ...........................................................................8
3.4 系统流程分析 ......................................................................................9
3.4.1 系统的流程图.........................................................................................9
3.4.2 用户登录逻辑流程图.............................................................................9
第四章系统设计 ......................................................................................11
4.1 系统功能模块设计 ............................................................................11
4.2 数据库设计 ........................................................................................11
4.2.1 数据库概念设计...................................................................................11
4.2.2 数据库表设计......................................................................................12
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