<!DOCTYPE html>
<html>
<head>
<title></title>
<script type="text/javascript" src="http://su.bdimg.com/static/superplus/js/lib/jquery-1.10.2_d88366fd.js"></script>
<script type="text/javascript">
$(function() {
var img_str = "iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="
$("#img").attr("src", "data:image/png; base64," + img_str);
});
</script>
</head>
<body>
<img id="img" src="">
</body>
</html>
?
javascript直接把base64的字符串转换成图片显示在网页上的方法
原文：http://wudixiaotie.iteye.com/blog/2157239