更新

+<?php
+
+
+namespace app\api\controller;
+
+
+use app\common\controller\Api;
+
+/**
+ * 购物车
+ */
+class Cart extends Api
+{
+    protected $noNeedLogin = ['*'];
+    protected $noNeedRight = ['*'];
+
+    /**
+     * @ApiTitle    (加入购物车)
+     * @ApiMethod   (POST)
+     * @ApiHeaders  (name=token, type=string, required=true, description="请求的Token")
+     * @ApiParams   (name="sku_id", type="integer", required=true, description="规格id")
+     * @ApiParams   (name="goods_id", type="integer", required=true, description="商品id")
+     * @ApiParams   (name="number", type="integer", required=true, description="购买数量")
+     * @ApiReturn   ({
+    'code':'1',
+    'msg':'SUCCESS'
+    })
+     */
+    public function addCart()
+    {
+        $sku_id = $this->request->post('sku_id');
+        $goods_id = $this->request->post('goods_id');
+        $number = $this->request->post('number');
+
+        if (!is_numeric($sku_id) || !is_numeric($goods_id) || !is_numeric($number)) $this->error('参数不合法');
+
+        $data = [
+            'user_id' => $this->auth->id,
+            'sku_id' => $sku_id,
+            'goods_id' => $goods_id,
+            'number' => $number,
+        ];
+        $model = new \app\api\model\Cart();
+        $model->save($data);
+        $this->success('SUCCESS');
+    }
+
+    /**
+     * @ApiTitle    (增加购物车数量)
+     * @ApiMethod   (POST)
+     * @ApiHeaders  (name=token, type=string, required=true, description="请求的Token")
+     * @ApiParams   (name="id", type="integer", required=true, description="购物车id")
+     * @ApiParams   (name="number", type="integer", required=true, description="增加数量")
+     * @ApiReturn   ({
+    'code':'1',
+    'msg':'SUCCESS'
+    })
+     */
+    public function addCartNumber()
+    {
+        $id = $this->request->post('id');
+        $number = $this->request->post('number');
+
+        if (!is_numeric($id)  || !is_numeric($number)) $this->error('参数不合法');
+
+        $model = new \app\api\model\Cart();
+        $model->where('id',$id)->setInc('number',$number);
+        $this->success('SUCCESS');
+    }
+
+    /**
+     * @ApiTitle    (购物车列表)
+     * @ApiMethod   (POST)
+     * @ApiHeaders  (name=token, type=string, required=true, description="请求的Token")
+     * @ApiReturn   ({
+    'code':'1',
+    'msg':'SUCCESS'
+    })
+     */
+    public function cartList()
+    {
+        $model = new \app\api\model\Cart();
+        $list = $model
+            ->with(['goods','sku'])
+            ->where('user_id',$this->auth->id)
+            ->select();
+        $this->success('SUCCESS',$list);
+    }
+}

+<?php
+
+
+namespace app\api\model;
+
+
+use think\Model;
+
+class Cart extends Model
+{
+    protected $createTime = 'createtime';
+    protected $updateTime = '';
+
+    public function goods()
+    {
+        return $this->belongsTo('Goods','goods_id','id');
+    }
+
+    public function sku()
+    {
+        return $this->belongsTo('GoodsSpec','sku_id','id');
+    }
+}