How to Upload a File and JSON Data Simultaneously in Postman for Spring MVC?

Uploading File and JSON Data in Postman for Spring MVC

To upload a file and JSON data simultaneously using Postman for your Spring MVC application, follow these steps:

1. Set the HTTP Method and Content-Type:
Set the HTTP request method to POST and the Content-Type header to multipart/form-data.

2. Configure File Upload:
In the Postman request body, select the Body tab and choose form-data from the dropdown menu.

Click on the "Add File" button and select the file you want to upload.

Name the parameter associated with the file as "file", as per your method signature.

3. Send JSON Data:
In addition to the file upload, you can also send JSON data as part of the request body.

Click on the "Add" button in the form-data section.

Enter the parameter name for the JSON data (e.g., "name").

Choose "text" from the dropdown menu.

Enter the JSON data in the value field.

4. Pass Session ID:
If you need to pass a session ID, you can do so by adding an Authorization header to the request with the appropriate session ID value.

5. Send the Request:
Click the Send button to execute the request. Your controller method should receive both the file and the JSON data as parameters.

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