'购物车数量修改'

@@ -278,8 +278,14 @@ $yohoPage.on('touchstart', '.btn-minus', function() {
     }
 
     //TODO:库存数验证
+    if (num > leftNum) {
+        $num.val(leftNum);
+        return;
+    }
     $num.val(num + 1);
-}).on('touchstart', '#chose-btn-sure', function() {
+});
+
+$yohoPage.on('touchstart', '#chose-btn-sure', function() {
 
     var productSku,
         buyNumber = $('#good-num').val() - 0,
@@ -293,6 +299,10 @@ $yohoPage.on('touchstart', '.btn-minus', function() {
     if (!checkColorSizeNum()) {
         return;
     }
+    if (isNaN(num)) {
+        tip.show('您选择的数量不是一个数字~');
+        return;
+    };
 
     //TODO status change
     if ($('#chose-btn-sure').html() === '已售罄') {

@@ -73,7 +73,10 @@
         position: relative;
         font-size: 28rem / $pxConvertRem;
         padding-left: 80rem / $pxConvertRem;
-
+        input.disabled{
+            background-color:#fff;
+            color: #000;
+        }
         > span {
             position: absolute;
             left: 0;
@@ -84,6 +87,9 @@
             left: pxToRem(380px);
             top: 20rem / $pxConvertRem;
         }
+        span.disabled{
+            color: #e6e6e6;
+        }
     }
 
     .size-list li.hide {

@@ -50,11 +50,11 @@
                     <span>数量</span>
                     <div class="clearfix">
                         <a class="btn btn-minus" href="javascript:void(0);">
-                            <span class="iconfont">&#xe625;</span>
+                            <span class="iconfont {{#if promotionId}}disabled{{/if}}">&#xe625;</span>
                         </a>
-                        <input id="good-num" class="good-num" type="text" value="1">
+                        <input id="good-num" class="good-num {{#if promotionId}}disabled{{/if}}" type="text" value="1" {{#if promotionId}}disabled="true"{{/if}}>
                         <a class="btn btn-plus" href="javascript:void(0);">
-                            <span class="iconfont">&#xe624;</span>
+                            <span class="iconfont {{#if promotionId}}disabled{{/if}}">&#xe624;</span>
                         </a>
                     </div>
                     <span class="left-num"></span>