& 4 express framework

express frame Is based on Node.js Platform Web Application development framework

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1、 Execute this framework , First install Node.js

Node.js (nodejs.org), Click the first button directly , Installation is OK .

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2、 open vscode Software terminal , Enter the command npm i express; Wait for the installation to complete

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 3、express frame The basic format of

Be careful ：

1、 In step 4 8000 Is the port number , You can change

2、http://127.0.0.1 For your server address , For testing only ; When changing the port number , rearwards ： Port number You can access  

4、 How to execute ？

This section requires Node.js Knowledge about , Here is a brief description of the following

1、 Input node Space file name , Then go back and execute

2、 The URL displayed after execution , Can pass ctrl+ left-click Click to enter

3、ctrl+c To end this run

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