2

@@ -79,7 +79,33 @@ class ShopcartController extends WeChatBaseController{
 
     }
 
+    /**
+     * 商品数量加一
+     */
+    public function shop_cart_numadd(){
+
+        $id = $_POST['id'];
+        $data = Db::name('shopping_cart') -> where('id',$id) -> find();
+        if($data['book_num']<200){
+            Db::name('shopping_cart') -> where('id',$id) -> setInc('book_num');
+        }
+        return true;
+
+    }
 
+    /**
+     * 商品数量减一
+     */
+    public function shop_cart_numdec(){
+
+        $id = $_POST['id'];
+        $data = Db::name('shopping_cart') -> where('id',$id) -> find();
+        if($data['book_num']>1){
+            Db::name('shopping_cart') -> where('id',$id) -> setDec('book_num');
+        }
+        return true;
+
+    }
 
 
 

@@ -37,9 +37,9 @@
                     <div class="order_newsTxt3">
                         <p class="de_topTxt1_1">￥<span>{$vo.price0}</span>.{$vo.price1}</p>
                         <div class="order_newsNum">
-                            <div class="order_newsJian">-</div>
+                            <div class="order_newsJian" onclick="jia({$vo.carid})">-</div>
                             <input class="order_newsnum" type="text" readonly="readonly" value="1" />
-                            <div class="order_newsJia">+</div>
+                            <div class="order_newsJia" onclick="jian({$vo.carid})">+</div>
                         </div>
                     </div>
                 </div>
@@ -146,6 +146,23 @@
 
     }
 
+    /**
+     *点击加一
+     */
+    function jia(id){
+        $.post("{:url('Shopcart/shop_cart_numadd')}",{id:id},function(data){
+        });
+    }
+
+    /**
+     * 点击减一
+     */
+    function jian(id){
+        $.post("{:url('Shopcart/shop_cart_numdec')}",{id:id},function(data){
+
+        });
+    }
+
     // 计算总计
     function calcTotal() {
         var checkBoxes = $(".sh_cartround img");