目 录
第 1 章 绪论 .................................................................................................................................1
1.1 研究背景及当前现状 .....................................................................................................1
1.2 国内外研究现状 .............................................................................................................1
1.3 研究意义和目的 .............................................................................................................2
1.4 研究目标和内容 .............................................................................................................2
1.4.1 研究目标 ...............................................................................................................2
1.4.2 研究内容 ...............................................................................................................2
第 2 章 理论基础和关键技术......................................................................................................3
2.1 Python 语言 .....................................................................................................................3
2.2 网络爬虫技术 .................................................................................................................3
2.3 Django 框架.....................................................................................................................4
2.4 PyCharm ..........................................................................................................................4
2.5 K-means 聚类算法..........................................................................................................4
2.6 数据可视化技术 .............................................................................................................5
第 3 章 二手房源大数据系统分析..............................................................................................6
3.1 可行性分析 .....................................................................................................................6
3.1.1 技术可行性 ...........................................................................................................6
3.1.2 经济可行性 ...........................................................................................................6
3.1.3 操作可行性 ...........................................................................................................6
3.2 功能需求描述 .................................................................................................................6
3.3 功能需求分析 .................................................................................................................7
3.3.1 用例图 ...................................................................................................................7
3.3.2 用例规格说明 .......................................................................................................8
第 4 章 二手房系统的功能概要设计........................................................................................10
4.1 系统功能设计 ...............................................................................................................10
4.2 系统流程分析 ...............................................................................................................10
4.3 数据库设计 ...................................................................................................................12
4.3.1 概念模型设计 .....................................................................................................12
4.3.2 物理结构设计 .....................................................................................................15
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