订单可选数量优化

www/webapp/o2o/js/page/placeOrder.js

@@ -494,6 +494,12 @@ define(['$', 'template', 'order', 'native', 'helper', 'user', 'api', 'config', '
                     return;
                 }
                 var inputNum = $('.service-count', $view).children('.input-num').val();
+                if (isNaN(inputNum)) {
+                    $doc.trigger('spa:openpanel', ['simpleAlert', {
+                        message: '请输入数字'
+                    }]);
+                    return false;
+                }
                 order.productCount = inputNum;
                 order.productCount--;
                 order.cost = order.productCount * order.price;
@@ -512,7 +518,13 @@ define(['$', 'template', 'order', 'native', 'helper', 'user', 'api', 'config', '
                     }]);
                     return;
                 }
-                var inputNum= $('.service-count', $view).children('.input-num').val();
+                var inputNum = $('.service-count', $view).children('.input-num').val();
+                if (isNaN(inputNum)) {
+                    $doc.trigger('spa:openpanel', ['simpleAlert', {
+                        message: '请输入数字'
+                    }]);
+                    return false;
+                }
                 order.productCount= inputNum;
                 order.productCount++;
                 order.cost = order.productCount * order.price;