public function newsimageuploadAction()
{
/**
给图片起名字
把图片转换成合适的尺寸/保存
给出预览图片
*/
$discuzPath = dirname(dirname(dirname(dirname(__FILE__))));
$savepath = "{$discuzPath}/newsupload/";
$upload = new UploadModel();
$filename = $upload->filename;
if (!$filename) {
die('上传失败，请稍后重试！');
}
$sizes = array(array("s", 220, 146), array("m", 300, -1));
$upload->cropAndSave($sizes, $savepath);
$ret["filename"] = $filename;
$ret["ext"] = $upload->ext;
echo json_encode($ret);
}
