/**
* 根据部位获取症状
* @author gaoqing
* @date 2016-04-13
* @param int $columns 在页面中，显示的列数
* @return array 部位及症状集
*/
private static function getPartSymptom($columns)
{
$partSymptom = [];
$part = new Part();
$symptom = new Symptom();
$firstLevel = $part->getPartLevel1(1);
if (self::isNotNull($firstLevel)) {
foreach ($firstLevel as $level1) {
$inner = array();
$inner['part'] = $level1;
$size = count($firstLevel) * $columns;
$inner['symptom'] = $symptom->getSymptomsByPartid($level1['id'], 'part_level1', 0, $size);
$partSymptom[] = $inner;
}
}
return $partSymptom;
}
