我可以使用jquery来操纵CSS以使用base64字符串更改背景图像

Question

Here's the problem. i've a base64 image string which is dynamically retrieved from database via ajax.

data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAvsAAAJECAYAAACIHevuAAAgAElEQVR4nO3d

after retrieving the string i want to set it as the background image of a div

<div id="dragBox"></div>

Answer 1

try:

$('#dragBox').css('background-image', 'url(' + base64_string + ')');

basically, you just put the base64 inside url() .

more information: "Data URI scheme" Wiki

Answer 2

You can simply place your image data directly into the url parameter of the background property in CSS.

#dragBox {
background: url(data:image/png;base64,iv[...]);
}

Here's an example: http://jsfiddle.net/uyrjs/