数据处理

        $po_data = array(
                "shop_id"=>$shop_id,
                "name"=>$this->_safe($params["name"]),
                "supplier_id"=>$this->_safe($params["supplier_id"]),
                "branch_id"=>$this->_safe($params["branch_id"]),
                "po_bn"=>$this->_safe($this->generate_password("po")),
                "purchase_time"=>time(),
                "amount"=>$amount,
                "operator"=>$this->_safe($params['operator']),
                "po_type"=>$this->_safe($params["po_type"]),
                "arrive_time"=>$this->_safe($params["arrive_time"]),
                "deposit_balance"=>$this->_safe($params["deposit_balance"]),
                "product_cost"=>$this->_safe($product_cost),
                "delivery_cost"=>$this->_safe($params["delivery_cost"]),
                "memo"=>$this->_safe($params["memo"])?$this->_safe($params["memo"])." ".date("Y-m-d H:i:s",time())." By ".$this->sellerName."<br/>":"",
                "emergency"=>$params["emergency"]?$params["emergency"]:"false",
        );

private function _safe($str){
        
        $html_string = array("&amp;", "&nbsp;", "'", '"', "<", ">", "\t", "\r");
        
        $html_clear = array("&", " ", "&#39;", "&quot;", "&lt;", "&gt;", "&nbsp; &nbsp; ", "");
        
        $js_string = array("/<script(.*)<\/script>/isU");
        
        $js_clear = array("");
        
        $frame_string = array("/<frame(.*)>/isU", "/<\/fram(.*)>/isU", "/<iframe(.*)>/isU", "/<\/ifram(.*)>/isU",);
        
        $frame_clear = array("", "", "", "");
        
        
        
        $style_string = array("/<style(.*)<\/style>/isU", "/<link(.*)>/isU", "/<\/link>/isU");
        
        $style_clear = array("", "", "");
        
        
        
        $str = trim($str);
        //过滤字符串
        
        $str = str_replace($html_string, "", $str);
        
        //过滤JS
        
        $str = preg_replace($js_string, "", $str);
        
        //过滤ifram
        
        $str = preg_replace($frame_string, "", $str);
        
        //过滤style
        
        $str = preg_replace($style_string, "", $str);
        
        return $str;
        
    }