$ymd = date("Ymdhis");
//图片路径地址
$img = str_replace(‘data:image/png;base64,‘, ‘‘, $img);
$img = str_replace(‘ ‘, ‘+‘, $img);
$data = base64_decode($img);
$imgPath=‘./upload/person/‘.$ymd.‘jpg‘;
$fp=fopen($imgPath,‘w‘);
fwrite($fp,$data);
fclose($fp);
$ary[‘status‘] = 1;
$ary[‘info‘] = ‘保存图片成功‘;
$ary[‘url‘] = $imgPath;
return $ary;原文：http://blog.51cto.com/liang3391/2108624