Download image which is src attribute (base64)

问题

through AJAX I receive a image in base64 which I adjunct to the src attribute of a img tag.

I want to offer an option to download that image, is it possible to take the data of the src attribute and download it? This is because I cannot download the image again from the server.

Thank you.

回答1:

Just set the window.location to the encoded URI (or open a popup window), eg

window.location.href = 'data:image/png;base64,iVBORw0KGgo....

来源：https://stackoverflow.com/questions/13354037/download-image-which-is-src-attribute-base64