ecshop 添加会员头像功能

user.PHP 当前页面控制器中添加：
//头像
$head_url = '../data/head/head_'.$user_id.'.jpg';
$user_info['head_url'] = is_file($head_url)? $head_url.'?'.rand() : 'templates/images/preson.jpg';
$smarty->assign('user_info', $user_info);

html页面：

user.php中添加update_head方法
//更换头像
elseif ($action == 'update_head') {
$user_id = $_SESSION['user_id'];
if($_FILES['head']['error'] === 0){
$head_url = '../data/head/head_'.$user_id.'.jpg';

$filename = $_FILES['head']['tmp_name'];
// Content type
header('Content-Type: image/jpeg');

// Get new sizes
list($width, $height) = getimagesize($filename);
$newwidth = 150;
$newheight = 150;

// Load
$thumb = imagecreatetruecolor($newwidth, $newheight);
$ext = pathinfo($_FILES['head']['name'],PATHINFO_EXTENSION);
if($ext == 'jpg') $ext = 'jpeg';
$func = 'imagecreatefrom'. $ext;
$source = $func($filename);

// Resize
imagecopyresized($thumb, $source, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);

// Output
imagejpeg($thumb,$head_url);

}
echo '1';
}