JS - 点击直接下载
js
function download(src) {
var a = document.createElement('a');
a.setAttribute("href", src);
a.setAttribute("download", "");
var evObj = document.createEvent('MouseEvents');
evObj.initMouseEvent( 'click', true, true, window, 0, 0, 0, 0, 0, false, false, true, false, 0, null);
a.dispatchEvent(evObj);
};
html
<span onclick="download('http://omuy6viz3.bkt.clouddn.com/2017/05/3660632723.jpg')">下载原图</span>