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hyhproject/mobile2/model/GoodsCats.php

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+<?php
+namespace wstmart\mobile\model;
+use think\Cache;
+/**
+ * ============================================================================
+ * 商品分类类
+ */
+class GoodsCats extends Base{
+	/**
+	 * 列表
+	 */
+	public function getGoodsCats(){
+		$list = cache('WST_CACHE_GOODS_CAT_MOB');
+		if(!$list){
+			//查询一级分类
+			$trs1s = $this->where(["dataFlag"=>1,"isShow"=>1,"parentId"=>0])->field('catId,parentId,catName')->order('catSort asc')->select();
+			$trs1 = array();
+			$list = array();
+			$rs2 = array();
+			$maprs = array();
+			$ids = array();
+			foreach ($trs1s as $key =>$v){
+				$trs1[$key]['catId'] = $v['catId'];
+				$trs1[$key]['parentId'] = $v['parentId'];
+				$trs1[$key]['catName'] = $v['catName'];
+				$ids[] = $v['catId'];
+			}
+			$ids[] = -1;
+			//查询二级分类
+			$trs2s = $this->where("dataFlag=1 and isShow=1 and parentId in(".implode(',',$ids).")")->field('catId,parentId,catName')->order('catSort asc')->select();
+			$trs2 = array();
+			$ids = array();
+			foreach ($trs2s as $key =>$v){
+				$trs2[$key]['catId'] = $v['catId'];
+				$trs2[$key]['parentId'] = $v['parentId'];
+				$trs2[$key]['catName'] = $v['catName'];
+			}
+			foreach ($trs2 as $v2){
+				$ids[] = $v2['catId'];
+				$maprs[$v2['parentId']][] = $v2;
+			}
+			$ids[] = -1;
+			//查询三级分类
+			$trs3s = $this->where("dataFlag=1 and isShow=1 and parentId in(".implode(',',$ids).")")->field('catId,parentId,catName,catImg')->order('catSort asc')->select();
+			$trs3 = array();
+			$ids = array();
+			foreach ($trs3s as $key =>$v){
+				$trs3[$key]['catId'] = $v['catId'];
+				$trs3[$key]['parentId'] = $v['parentId'];
+				$trs3[$key]['catName'] = $v['catName'];
+				$trs3[$key]['catImg'] = strval($v['catImg']);
+			}
+			foreach ($trs3 as $v2){
+				$maprs[$v2['parentId']][] = $v2;
+			}
+			//倒序建立樹形
+			foreach ($trs2 as $v2){
+				$v2['childList'] = [];
+				if(isset($maprs[$v2['catId']]))$v2['childList'] = $maprs[$v2['catId']];
+				$rs2[] = $v2;
+			}
+			foreach ($trs1 as $v2){
+				foreach ($rs2 as $vv2){
+					if($vv2['parentId']==$v2['catId']){
+						$v2['childList'][] = $vv2;
+					}
+				}
+				$list[] = $v2;
+			}
+			Cache::set('WST_CACHE_GOODS_CAT_MOB',$list);
+		}
+		return $list;
+	}
+	    
+}