public function chartAction()
 {
     $i = 0;
     $color = array('#6FB737', '#3A90BA', '#3D3D3D');
     $Class = ClassWeb::find('fid=0');
     foreach ($Class as $val) {
         $num = count(WebNews::find('class=":' . $val->id . ':"'));
         $num = $num ? $num : '1';
         $label[] = $val->title;
         $data[] = $num;
         $bgcolor[] = $color[$i];
         $i++;
     }
     $data = array('labels' => $label, 'datasets' => array(array('data' => $data, 'backgroundColor' => $bgcolor)));
     return $this->response->setJsonContent($data);
 }
 public function chartAction()
 {
     $i = 0;
     $color = array('#6FB737', '#3A90BA', '#3D3D3D');
     $Class = ClassWeb::find('fid=0');
     foreach ($Class as $val) {
         //echo $val->id;
         $num = count(WebNews::find('class=":' . $val->id . ':"'));
         $num = $num ? $num : '1';
         $data[] = array('value' => $num, 'color' => $color[$i], 'label' => $val->title);
         $i++;
     }
     return $this->response->setJsonContent($data);
 }