目 录
基于 Scrapy 的 WebUI 开发.........................................................................................1
版本记录........................................................................................................................2
一、引言........................................................................................................................5
1.1 编写目的.........................................................................................................5
1.2 背景.................................................................................................................5
1.3 定义.................................................................................................................5
1.4 参考资料.........................................................................................................6
二、任务概述................................................................................................................7
2.1 目标.................................................................................................................7
2.2 用户特点.........................................................................................................7
2.3 假定与约束.....................................................................................................7
三、需求与设计............................................................................................................8
3.1 需求.................................................................................................................8
3.1.1 业务需求...............................................................................................8
3.1.2 功能需求...............................................................................................9
3.1.3 非功能性需求......................................................................................9
3.2 框架及组件概述...........................................................................................10
3.3 用例图...........................................................................................................11
3.3.1 调度模块............................................................................................12
3.3.2 接受请求............................................................................................13
3.3.3 发送请求............................................................................................14
3.3.4 下载页面............................................................................................15
3.3.5 生成请求............................................................................................16
3.3.6 解析响应............................................................................................16
3.3.7 处理 item............................................................................................18
四、运行环境规定......................................................................................................20
4.1 设备...............................................................................................................20
4.2 支持软件.......................................................................................................20
评论0