0) { $msg = '传入参数错误' . $file['error'] . " "; exit($msg); } else { // chmod($uploadPath, 0666); if(file_exists($uploadPath.$file['name'])){ $msg = $file['name'] . "文件已经存在!"; exit($msg); } else { if(move_uploaded_file($file['tmp_name'], $uploadPath.$file['name'])) { $img_url = "http://localhost/app/".$uploadPath.$file['name']; $img_url = urlencode($img_url); $url = $callbackUrl."?img_url={$img_url}"; // 跳转 header("location:{$url}"); return; } else { exit("上传失败!"); } } }