Introduction to Web Framework

author : A Wei
Personal home page : Flyme awei

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Web frame

Web The framework is introduced

1.web The server

Web Server generally refers to website server , A program that resides on some type of computer on the Internet , Can handle browsers, etc Web The client requests and returns the corresponding response , You can also place website files , Let the world Browse ; Data files can be placed , Let the world download . At present, the three most mainstream Web Server is Apache、 Nginx 、IIS.

Apache

Nginx

IIS

2.Web frame

It's a development framework , Used to support dynamic websites 、 Development of network applications and network services .

3.WSGI

Web Server gateway interface （Web Server Gateway Interface, Abbreviation for WSGI） Is for Python Defined by language Web The server and Web A simple and general interface between applications or frameworks .

4. Static resources

Resources that do not change frequently , This resource web The server can be prepared in advance , such as : png/jpg/css/js Wait for the documents .

5. Dynamic resources

Contrary to static resources , This resource will change frequently , such as : When browsing products in jd.com, we often filter according to the conditions , Choose different conditions , The products you browse are different , This resource web The server cannot be prepared in advance , need web Frame to help web Prepare the server , Here
in web The server can put .html The resource request of is considered as a dynamic resource request submitted to web Frame to handle .

All right. , This is the end of the article ！