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所在平台: Udemy |
课程主页: https://www.udemy.com/course/graphqlpython/
课程评论：没有评论
**课程名称：Python 与 FastAPI 的 GraphQL 完整教程** **课程概述：** 本课程将深入介绍 GraphQL，这是一种强大的 API 查询语言和运行时。GraphQL 旨在为 API 提供完整且易于理解的数据描述，使客户端能够精确地请求所需数据，避免过度获取。这大大简化了 API 的演进，并为开发者工具提供了强大的支持。 **GraphQL 的核心优势：** * **高效数据获取：** GraphQL 允许客户端一次性获取所有所需数据，无需像传统 REST API 那样通过多个 URL 调用。这对于网络连接不佳的移动应用尤其重要，能够显著提升应用性能。 * **类型化与健壯性：** GraphQL API 基于类型和字段组织，而非端点。通过类型系统，GraphQL 确保客户端只请求合法的数据，并提供清晰的错误提示，从而避免手动解析代码的繁琐。 * **可预测的结果：** GraphQL 查询总是返回可预测的数据结构，客户端可以精确控制获取的数据，从而提高应用的速度和稳定性。 **课程内容：** 本教程将专注于使用 Python 和 FastAPI 来开发 GraphQL 应用程序。您将学习如何构建支持 GraphQL 查询的 API，并理解 GraphQL 在实际项目中的应用。 ** syllabus ：** （本课程未提供详细的课程大纲。）
GraphQL is a query language for APIs and a runtime for fulfilling those queries with your existing data. GraphQL provides a complete and understandable description of the data in your API, gives clients the power to ask for exactly what they need and nothing more, makes it easier to evolve APIs over time, and enables powerful developer tools.GraphQL queries access not just the properties of one resource but also smoothly follow references between them. While typical REST APIs require loading from multiple URLs, GraphQL APIs get all the data your app needs in a single request. Apps using GraphQL can be quick even on slow mobile network connections.GraphQL APIs are organized in terms of types and fields, not endpoints. Access the full capabilities of your data from a single endpoint. GraphQL uses types to ensure Apps only ask for what's possible and provide clear and helpful errors. Apps can use types to avoid writing manual parsing code.Send a GraphQL query to your API and get exactly what you need, nothing more and nothing less. GraphQL queries always return predictable results. Apps using GraphQL are fast and stable because they control the data they get, not the server.In this tutorial we will learn how to develop graphql applications using python & fastapi.
