Figure 1.
Basic principles of Scrapy frame
Chart 1
Django Responsibilities sheet
| Hierarchy | Responsibilities |
|---|---|
| Model and data access layer | Handle everything related to the data: how it is accessed, how it is validated, what behaviors are involved, and the relationships between the data. |
| Template that is the presentation layer | Handle presentation-related decisions: how to display in a page or other type of document. |
| View and business logic layer | The logic associated with accessing the model and fetching the appropriate template. Bridge between model and template |
Figure 2.
Crawling process
Figure 3.
Full information display
Figure 4.
Pie Chart of rent per district
Figure 5.
Pie Chart of rental housing according to the ratio of each direction
Figure 6.
The broken line chart of the average rent price in Beijing
Figure 7.
The bar chat of Renting in Beijing
Figure 8.
Generating wordcloud presentation