工程师 - 什么是API Server

API 服务器就像餐厅里的服务员，负责接收你的点单并将其送到厨房。

An API server is like a waiter in a restaurant who takes your order and delivers it to the kitchen.

在数字世界中，它是一个接收来自其他软件应用程序（如移动应用程序或网站）的请求并进行处理的计算机程序。然后，它从数据库或其他服务中检索或发送数据，如从数据库中获取信息或根据请求执行某些操作。

In the digital world, it's a computer program that receives requests from other software applications (like mobile apps or websites) and processes them. It then retrieves or sends data from/to a database or another service, like fetching information from a database or performing certain actions based on the request.

应用程序接口服务器允许不同的软件系统相互通信和交互，实现跨平台和跨设备的数据和功能的无缝集成和共享。它们为开发人员提供了访问和操作数据的标准化方式，使开发人员更容易构建复杂的应用程序和服务。

API servers allow different software systems to communicate and interact with each other, enabling seamless integration and sharing of data and functionality across various platforms and devices. They provide a standardized way for developers to access and manipulate data, making it easier to build complex applications and services.

当然！让我们深入了解 API 服务器、方法和框架：

Certainly! Let's dive deeper into API servers, methods, and frameworks:

API 服务器： API 服务器是一种专门的服务器，负责处理客户端应用程序的请求并提供适当的响应。它充当客户端与各种后端服务或数据库之间的中介。API 服务器通常会公开一组端点（URL），客户可使用这些端点与服务器交互。这些端点通常被组织成不同的路径，每个路径对应一个特定的资源或功能。

API Server: An API server is a specialized type of server that is responsible for handling requests from client applications and providing appropriate responses. It acts as an intermediary between the client and various backend services or databases. API servers typically expose a set of endpoints (URLs) that clients can use to interact with the server. These endpoints are often organized into different routes, each corresponding to a specific resource or functionality.

API 方法： API 方法（也称为 HTTP 方法或动词）定义了客户端可以在资源上执行的操作。最常用的 HTTP 方法有

1. GET： 从服务器读取数据，不做任何修改。

2. POST： 向服务器提交数据，创建新资源。

3. PUT： 用新数据更新现有资源。

4. DELETE：从服务器上删除资源。

5. PATCH： 用新数据部分更新现有资源。

6. OPTIONS: 检索有关资源可用通信选项的信息。

7. HEAD：检索资源的元数据，但不获取其内容。

API Methods: API methods, also known as HTTP methods or verbs, define the actions that clients can perform on a resource. The most commonly used HTTP methods are:

1. GET: Retrieves data from the server without modifying it.

2. POST: Submits data to the server to create a new resource.

3. PUT: Updates an existing resource with new data.

4. DELETE: Removes a resource from the server.

5. PATCH: Partially updates an existing resource with new data.

6. OPTIONS: Retrieves information about the communication options available for a resource.

7. HEAD: Retrieves metadata about a resource without fetching its content.

These methods allow clients to perform various operations on resources exposed by the API server.

这些方法允许客户端对 API 服务器公开的资源执行各种操作。

API Frameworks: API frameworks are tools or libraries that provide developers with pre-built components and utilities for building API servers more efficiently. They typically offer features such as routing, request handling, input validation, authentication, and documentation generation.

API 框架： API 框架是为开发人员提供预建组件和实用程序的工具或库，用于更高效地构建 API 服务器。它们通常提供路由、请求处理、输入验证、身份验证和文档生成等功能。

针对不同编程语言的一些流行 API 框架包括

1. Express.js： 适用于 Node.js 的简约网络框架，为构建 API 和网络应用程序提供了强大的功能。

2. Django REST 框架： 一个功能强大的工具包，用于使用 Django 网络框架在 Python 中构建网络 API。

3. Ruby on Rails： 用于 Ruby 的全栈网络应用程序框架，包括对构建 API 的内置支持。

Some popular API frameworks for different programming languages include:

1. Express.js: A minimalist web framework for Node.js that provides robust features for building APIs and web applications.

2. Django REST Framework: A powerful toolkit for building Web APIs in Python using the Django web framework.

3. Ruby on Rails: A full-stack web application framework for Ruby that includes built-in support for building APIs.

这些框架为开发人员提供了定义路由、处理请求和管理资源的结构化高效方法，从而简化了创建 API 服务器的过程。

These frameworks simplify the process of creating API servers by providing developers with a structured and efficient way to define routes, handle requests, and manage resources.

通过使用 API 框架和了解 API 方法，开发人员可以构建稳健、可扩展的 API 服务器，以满足其应用程序的要求，并实现不同软件系统之间的无缝通信。

By using API frameworks and understanding API methods, developers can build robust and scalable API servers that meet the requirements of their applications and enable seamless communication between different software systems.

参考：

https://www.linkedin.com/pulse/api-server-onkar-kulkarni-tyaof/