目录
目录....................................................................................................................................................2
摘要....................................................................................................................................................3
关键词................................................................................................................................................4
第一章 绪论......................................................................................................................................4
1.1 研究背景.............................................................................................................................4
1.2 研究目的和意义.................................................................................................................5
1.3 文献综述.............................................................................................................................6
第二章 Python 和 Scrapy 框架概述 ................................................................................................8
2.1 Python 语言介绍 .................................................................................................................8
2.2 Scrapy 框架概述..................................................................................................................9
第三章 网络爬虫系统设计............................................................................................................11
3.1 系统需求分析...................................................................................................................11
3.2 系统流程设计...................................................................................................................12
3.3 数据存储设计...................................................................................................................13
第四章 网络爬虫系统实现............................................................................................................15
4.1 爬虫程序架构设计...........................................................................................................15
4.2 爬虫模块实现...................................................................................................................17
第五章 系统测试与性能评估........................................................................................................19
5.1 测试环境搭建...................................................................................................................19
5.2 功能测试...........................................................................................................................20
5.3 性能评估...........................................................................................................................21
第六章 总结与展望........................................................................................................................23
6.1 研究总结...........................................................................................................................23
6.2 研究展望...........................................................................................................................24
参考文献..........................................................................................................................................26
