目录
目录....................................................................................................................................................2
摘要....................................................................................................................................................3
关键词................................................................................................................................................3
第一章 引言......................................................................................................................................4
1.1 研究背景.............................................................................................................................4
1.2 研究目的.............................................................................................................................5
1.3 研究意义.............................................................................................................................6
第二章 网络爬虫基础......................................................................................................................8
2.1 网络爬虫概述.....................................................................................................................8
2.2 网络爬虫原理.....................................................................................................................9
2.3 网络爬虫工具...................................................................................................................10
第三章 Python 基础 .......................................................................................................................12
3.1 Python 语言简介 ...............................................................................................................12
3.2 Python 数据类型 ...............................................................................................................13
3.3 Python 控制流 ...................................................................................................................14
第四章 网络爬虫设计....................................................................................................................16
4.1 爬虫需求分析...................................................................................................................16
4.2 爬虫架构设计...................................................................................................................17
4.3 爬虫模块设计...................................................................................................................19
第五章 网络爬虫实现....................................................................................................................21
5.1 数据采集与存储...............................................................................................................21
5.2 页面解析与数据提取.......................................................................................................22
5.3 数据清洗与处理...............................................................................................................23
第六章 结果与讨论........................................................................................................................25
6.1 实验结果分析...................................................................................................................25
