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This article mainly introduces "how to use req.body in node". In daily operation, I believe many people have doubts about how to use req.body in node. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts about "how to use req.body in node". Next, please follow the editor to study!

In node, "req.body" is used to get the data in the request; since parsing body is not provided by nodejs by default, this method needs to be loaded with "body-parser" middleware before it can be used, and this method is usually used to parse the data requested by POST with the syntax of "req.body.name".

Operating environment of this tutorial: windows10 system, nodejs version 12.19.0, Dell G3 computer.

What is the use of req.body in node

Getting the parameters in the request is the only way for every web background processing, and nodejs's express framework provides four ways to do it.

1,req.body

2,req.query

3,req.params

4req.param ()

Req.body

The key-value pair containing the submitted data is underfined by default in the requested body.

You can use body-parser or multer to parse body

Parsing body is not provided by nodejs by default. You need to load body-parser middleware before you can use req.body

This method is usually used to parse the data in an POST request

Req.body is used in post requests

The usage is as follows

At this point, the study on "how to use req.body in node" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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