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This article mainly explains "what does node express mean". Friends who are interested might as well take a look. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn what node express means.

Express is a flexible Node.js Web application development framework that provides a powerful set of functions for Web and mobile applications and is the underlying library for many other popular Node frameworks.

This article operating environment: Windows7 system, nodejs10.16.2 version, Dell G3 computer.

What is node express?

Express is a fast, open and minimalist Web development framework based on Node.js platform.

Express is a flexible Node.js Web application development framework that keeps the minimum scale, providing a powerful set of features for Web and mobile applications.

Express is the most popular Node framework and the underlying library for many other popular Node frameworks.

Express provides the following mechanisms:

Write handlers for requests (routes) that use different HTTP verbs in different URL paths.

The View rendering engine is integrated to generate responses by inserting data into the template.

Set common web application settings, such as the port used to connect, and the location of the render response template.

Add additional request processing "middleware" anywhere in the request processing pipeline.

Although Express itself is minimalist, developers solve almost all web development problems by creating a variety of compatible middleware packages. These libraries can achieve cookie, session, user login, URL parameters, POST data, security first and other functions. A list of middleware packages maintained by the Express team (and a popular list of third-party packages) can be found on the Express middleware web page.

Note:

This flexibility is a double-edged sword. While there are some middleware packages that can solve almost any problem or requirement, picking the right package can sometimes be a challenge. There is no "only way" to build applications here, and many of the examples on Internet are not optimal, or just the tip of the iceberg that shows the work required to develop web applications.

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