: Use xhrFields to tell the browser to handle the response as binary data.
: In the success callback, the received data will be a Blob. how to download file in jquery ajax
Downloading a file using jQuery AJAX requires a specific approach because AJAX is designed to handle data as text or JSON, rather than as a binary stream for file saving. To successfully download a file, you must retrieve it as a and then programmatically trigger a download via a temporary link . The Core Challenge : Use xhrFields to tell the browser to
: Use URL.createObjectURL(blob) to create a local link to that data. To successfully download a file, you must retrieve
: Revoke the temporary URL to free up system memory. Implementation Example Download a file asynchronously using Ajax - Stack Overflow
: Create a hidden tag, set its download attribute, and simulate a click.
By default, jQuery treats AJAX responses as text. If you try to download a binary file (like a PDF or Excel) this way, the data often becomes corrupted. To fix this, you must explicitly set the responseType to 'blob' using xhrFields . Standard Implementation Follow these steps to download a file asynchronously: