The difference between form-data, x-www-form-urlencoded, raw and binary in postman

1, Form-data: is the HTTP request in the Multipart/form-data, it will be the data processing of the form a message, labeled as a unit, separated by separators. You can upload a key-value pair or upload a file. When the uploaded field is a file, there will be content-type to describe the file type; content-disposition, which is used to describe some information about the field, and because of boundary isolation, Multipart/form-data can upload files. You can also upload key-value pairs, which use key-value pairs, so you can upload multiple files.

2, x-www-form-urlencoded: is application/x-www-from-urlencoded, will convert the data in the form to a key value pair, for example, Name=python &age = 18

3, Raw: can upload any format of text, you can upload a text, JSON, XML, HTML, JavaScript, etc.

4, Binary: equivalent to content-type:application/octet-stream, from the literal meaning, can only upload binary data, usually used to upload files, because there is no key value, so, Only one file can be uploaded at a time.

The difference between Multipart/form-data and x-www-form-urlencoded

Multipart/form-data: can upload files and other binary data, you can also upload form key value pairs, but the final will be converted into a message;

X-www-form-urlencoded: Only key-value pairs can be uploaded, and key-value pairs are spaced apart.

The difference between form-data, x-www-form-urlencoded, raw and binary in postman