How to Upload Files and JSON Data with Session ID in Postman?

Uploading Files with JSON Data in Postman

Problem:

You have a Spring MVC method that requires uploading a file and passing JSON data. However, you're unsure how to submit both the file and session ID in Postman.

Answer:

To upload a file and JSON data in Postman:

1. Set the HTTP method to POST.
2. Select Body -> Form-Data in the request tab.

3. Add two form-data parameters:

   • file: Select File from the dropdown menu on the right side of the parameter name and choose the file you want to upload.
   • name: Enter the name parameter from your controller method.
4. For any additional JSON data you need to send, add additional form-data parameters and select Text from the dropdown menu on the right side of each parameter name. Enter the corresponding JSON values.
5. Set the Content-Type header to application/json or multipart/form-data.
6. In the Headers tab, add a new header named Cookie and set its value to the session ID you want to pass.
7. Click the Send button to execute the request.

Once you've followed these steps, Postman will send the file and JSON data to your Spring MVC controller, allowing you to process both types of input.

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