7. Django

  • 7.1. Django tutorial

    There are many different Web frameworks under Python. Django is the most representative of the heavyw…
    2025-10-25 12:24:13 UTC
  • 7.2. Introduction to Django

    7.2.1. Basic introduction ¶ Django is an open source Web application fram…
    2025-10-25 12:24:12 UTC
  • 7.3. Django installation

    Before installing Django, the system needs a development environment that already has Python installed. Next, let’s take…
    2025-10-25 12:24:14 UTC
  • 7.4. Django creates the first project

    In this chapter, we will introduce Django management tools and how to use Django to create a project. For the first proj…
    2025-10-25 12:24:14 UTC
  • 7.5. Django template

    In the previous chapter, we used django.http.HttpResponse () to output “Hello World!” . This method mixes the data with …
    2025-10-25 12:24:14 UTC
  • 7.6. Django model

    Django provides good support for a variety of databases, including: PostgreSQL, MySQL, SQLite, Oracle. Django p…
    2025-10-25 12:24:14 UTC
  • 7.7. Django form

    HTML forms are a classic way to interact with a website. This chapter describes how to use Django to process form data s…
    2025-10-25 12:24:13 UTC
  • 7.8. Django view

    7.8.1. View layer ¶ A view function, called View for short, is a simple P…
    2025-10-25 12:24:13 UTC
  • 7.9. Django routing

    Simply speaking, routing is to judge the corresponding handler according to the URL link requested by the user, and retu…
    2025-10-25 12:24:13 UTC
  • 7.10. Django Admin management tools

    Django provides web-based management tools. Django automatic management tools are part of django.contrib. You c…
    2025-10-25 12:24:15 UTC
  • 7.11. Django ORM-single table instance

    You need to read this chapter before you read it. Django 模型 Perform basic configuration and understand so…
    2025-10-25 12:24:13 UTC
  • 7.12. Django ORM-Multi-table instance

    The relationships between tables can be divided into the following three categories: 一对一 …
    2025-10-25 12:24:12 UTC
  • 7.13. Django ORM-multiple table instances (aggregation and grouping queries)

    7.13.1. Aggregate query (aggregate) ¶ Aggregate query functions perform c…
    2025-10-25 12:24:13 UTC
  • 7.14. Django Form component

    The Django Form component is used to initialize the page, generate HTML tags, and validate the data submitted by the use…
    2025-10-25 12:24:15 UTC
  • 7.15. Django user Authentication (Auth) component

    The Django user authentication (Auth) component is generally used in the login registration of users to determine whethe…
    2025-10-25 12:24:14 UTC
  • 7.16. Django cookie and session

    Cookie is a text file stored on the client computer and retains a variety of tracking information. Identifying …
    2025-10-25 12:24:15 UTC
Principles, Technologies, and Methods of Geographic Information Systems  102

In recent years, Geographic Information Systems (GIS) have undergone rapid development in both theoretical and practical dimensions. GIS has been widely applied for modeling and decision-making support across various fields such as urban management, regional planning, and environmental remediation, establishing geographic information as a vital component of the information era. The introduction of the “Digital Earth” concept has further accelerated the advancement of GIS, which serves as its technical foundation. Concurrently, scholars have been dedicated to theoretical research in areas like spatial cognition, spatial data uncertainty, and the formalization of spatial relationships. This reflects the dual nature of GIS as both an applied technology and an academic discipline, with the two aspects forming a mutually reinforcing cycle of progress.