//预览文档

public functionFileView($attach_id){

$extension=explode(",",'doc,xls,ppt,docx,xlsx,pptx,pdf');

$attachInfo=$this->getAttachById($attach_id);

if(in_array($attachInfo['extension'],$attachInfo)){

if(!empty($attachInfo['url_domain'])){

$url=get_url_domain($attachInfo);

}else{

$url=getAttachUrl($attachInfo['save_path'].$attachInfo['save_name']);

}

$ow='http://ow365.cn/?i=10974&furl=';

//            echo  $ow.$url;exit();

return$ow.$url;

}else{

return false;

}

}