购物车改为可输入购买商品数量

@@ -81,6 +81,27 @@ class ShopcartController extends WeChatBaseController{
     }
 
     /**
+     * 商品数量修改
+     */
+    public function shop_cart_numchange(){
+
+        $id = $this->request->param('id',0,'intval');
+        $num = $this->request->param('num',0,'intval');
+        $data = Db::name('shopping_cart') -> where('id',$id) -> find();
+        if($data['book_num'] != $num){
+            if($num > 999){
+                $this->error('商品数量不能大于999');
+            }
+            $res = Db::name('shopping_cart') -> where('id',$id) -> update(['book_num'=>$num]);
+            if(!$res) {
+                $this->error('购物车更新失败');
+            }
+        }
+        $this->success('修改成功');
+
+    }
+
+    /**
      * 商品数量加一
      */
     public function shop_cart_numadd(){

@@ -40,7 +40,7 @@
                         <p class="de_topTxt1_1">￥<span>{$vo.price0}.{$vo.price1}</span></p>
                         <div class="order_newsNum">
                             <div class="order_newsJian" onclick="jian({$vo.carid})">-</div>
-                            <input class="order_newsnum" type="text" readonly="readonly" value="{$vo.book_num}" />
+                            <input class="order_newsnum" type="text" value="{$vo.book_num}" data-id="{$vo.carid}" oninput="var v=this.value||'';v=v.replace(/[^\d]/g,'');if(v.length==1 && v==0){v=''};this.value=v.substr(0,3);"/>
                             <div class="order_newsJia" onclick="jia({$vo.carid})">+</div>
                         </div>
                     </div>
@@ -222,6 +222,21 @@
         $(".zoji span").html(totalPrice.toFixed(2));
     }
     $(function() {
+        // 输入框修改数量
+        $('.order_newsnum').change(function () {
+            var id = $(this).data('id');
+            var num = $(this).val();
+            if(num > 999) {
+                alert('商品数量不能大于999');
+            }
+            $.post("{:url('Shopcart/shop_cart_numchange')}",{id:id,num:num},function(data){
+                if(data.code == 1) {
+                    calcTotal();
+                } else {
+                    alert(data.msg);
+                }
+            });
+        });
         $(".order_newsNum div").on("click", function(evt) {
             if ($(this).text() == "-") {
                 var count = parseInt($(this).next().val());

@@ -208,10 +208,10 @@ class WeChatBaseController extends BaseController
             $user = Db::name('user')->where('id',6)->find();
             cmf_update_current_user($user);
         }
-        else if(cmf_get_current_user_id()==484){
-            $user = Db::name('user')->where('id',49)->find();
-            cmf_update_current_user($user);
-        }
+//        else if(cmf_get_current_user_id()==484){
+//            $user = Db::name('user')->where('id',49)->find();
+//            cmf_update_current_user($user);
+//        }
 //        if(cmf_get_current_user_id()==484){
 //            $user = Db::name('user')->where('id',6)->find();
 //            cmf_update_current_user($user);