/**
 * 图片上传类  
 * @param $file上传图片信息
 * @param $ty 
 */

function upload_pic($file, $ty) {

    if (!is_uploaded_file($file["tmp_name"])) {//是否存在文件

        tcmc::ShowMsg("图片不存在!", "turntable_index.php?op=index");

    }

    if (!in_array($file["type"], array('image/jpg', 'image/jpeg', 'image/png'))) {//检查文件类型

        tcmc::ShowMsg("文件类型不符！", "turntable_index.php?op=index");

    }

    $destination_folder = CMS_ROOT . 'uploads/miaosha/';

    if (!file_exists($destination_folder)) {

        mkdir($destination_folder);

    }

    $pinfo = pathinfo($file["name"]);

    $ftype = $pinfo['extension'];

    $destination = $destination_folder . "turntable_" . $ty . time() . "." . $ftype;

    $filename = $file["tmp_name"];

    if (file_exists($destination) && $overwrite != true) {

        tcmc::ShowMsg("同名文件已经存在了！", "turntable_index.php?op=index");

    }

    if (!move_uploaded_file($filename, $destination)) {

        tcmc::ShowMsg("移动文件出错1！", "turntable_index.php?op=index");

    }

    $len = strlen(CMS_ROOT);

    $subdestination = substr($destination, $len - );

    return $subdestination;

}