add

@@ -124,7 +124,8 @@
                     </div>
                     {{/if}}
 
-                    {{#if size}}<div class="description-material-tab info-block getnav" id="sizeMessage" data-id="1">
+                    {{#if size.tbody}}<div class="description-material-tab info-block getnav" id="sizeMessage" data-id="1">
+
                         <p class="block-title" id="sizeTitle">
                             <span class="title-head"> <span class="title cur">尺码信息</span> </span>
                         </p>

@@ -23,6 +23,7 @@ var bindEvent = $.Callbacks();                         // eslint-disable-line
 var cartEvent = new EventProxy();
 
 var Dialog = require('../common/dialog').Dialog;
+var Alert = require('../common/dialog').Alert;
 var yasAtHead = require('./yas-head');
 var yasAtBottom = require('./yas-bottom');
 var $main = $('.main'),
@@ -83,21 +84,76 @@ function isEmpty(el) {
 function showSellOut() {
     $shoppingCarBtn.addClass('disable')
         .find('i').html('').end()
+        .data('gocart', 0)
         .find('span').html('已售罄');
 }
 
 function showAddCart() {
     $shoppingCarBtn.removeClass('disable')
+        .data('gocart', 0)
         .find('i').html('').end()
         .find('span').html('加入购物车');
 }
 
+function showHasAddCart() {
+    $shoppingCarBtn.removeClass('disable')
+        .data('gocart', 1)
+        .find('i').html('').end()
+        .find('span').html('去购物车结算');
+}
+
 cartEvent.on('selling', showAddCart);
 cartEvent.on('sellout', showSellOut);
+cartEvent.on('gocart', showHasAddCart);
 
 require('../plugins/slider');
 require('../common/center-slider');
 
+// 获取当前选择的商品数目
+function getNum() {
+    return +$('#num').text();
+}
+
+function getSku() {
+    return $('.size:not(.hide) li.focus').data('sku');
+}
+
+function addCart() {
+    return $.ajax({
+        type: 'POST',
+        url: '/cart/index/add',
+        data: {
+            productSku: getSku(),
+            buyNumber: getNum()
+        }
+    }).then(function(data) {
+        var code = data.code;
+        var alert;
+
+        if (code === 200) {
+            $('#type-chose').slideUp(SLIDETIME);
+            $('#balance').slideDown(SLIDETIME);
+
+            $('#cart-num').text(data.data.goods_count); // 更新数目
+
+            return $.Deferred().resolve().promise();
+        } else if (code === 500) {
+            if (deposit) {
+                alert = new Alert('定金预售商品只能在APP端购买');
+                alert.show();
+            }
+
+            if (secKill) {
+                alert = new Alert('秒杀商品只能在APP端购买');
+                alert.show();
+            }
+        }
+
+        return $.Deferred().reject().promise();
+    });
+}
+
+
 bindEvent.add(function() {
     var $imgShow = $('#img-show'),
         $thumbs = $('#thumbs > .thumb-wrap');
@@ -128,8 +184,6 @@ bindEvent.add(function() {
 
     var brandDomain = $('.home').attr('href');
 
-    var Alert = require('../common/dialog').Alert;
-
     /** 优惠券开始 **/
     var $moreCoupon = $('.more-coupon'),
         $couponItem = $('.coupon-item');
@@ -235,10 +289,6 @@ bindEvent.add(function() {
 
     /** 优惠券结束 **/
 
-    function getSku() {
-        return $('.size:not(.hide) li.focus').data('sku');
-    }
-
     function imgShow(src) {
         $imgShow.attr('src', src);
     }
@@ -328,11 +378,6 @@ bindEvent.add(function() {
         }
     });
 
-    // 获取当前选择的商品数目
-    function getNum() {
-        return +$num.text();
-    }
-
     // 是否能：量贩购买，量贩小于库存才能购买
     function canBundleBuy() {
         return goodsBaseNum < maxStock;
@@ -407,9 +452,11 @@ bindEvent.add(function() {
             if (sellout()) {
                 $itemBuy.addClass('hide');
                 $soldOut.removeClass('hide');
+                cartEvent.emit('sellout');
             } else {
                 $itemBuy.removeClass('hide');
                 $soldOut.addClass('hide');
+                cartEvent.emit('selling');
             }
 
             // 尺码选中的状态
@@ -417,9 +464,11 @@ bindEvent.add(function() {
                 if (canBundleBuy()) {
                     $itemBuy.removeClass('hide');
                     $soldOut.addClass('hide');
+                    cartEvent.emit('gocart');
                 } else {
                     $itemBuy.addClass('hide');
                     $soldOut.removeClass('hide');
+                    cartEvent.emit('sellout');
                 }
             }
 
@@ -431,10 +480,17 @@ bindEvent.add(function() {
         if (maxStock === 0 || ($color && ~~$color.data('total') === 0)) {
             $itemBuy.addClass('hide'); // 隐藏加入购物车、即将开售、立即购买等相同位置的按钮
             $soldOut.removeClass('hide');
+            cartEvent.emit('sellout');
         } else {
             // 包括默认的-1情况下
             $itemBuy.removeClass('hide');
             $soldOut.addClass('hide');
+
+            if (maxStock === -1) {
+                cartEvent.emit('selling');
+            } else {
+                cartEvent.emit('gocart');
+            }
         }
     }
 
@@ -773,34 +829,7 @@ bindEvent.add(function() {
             PRD_SKU: getSku()
         });
 
-        $.ajax({
-            type: 'POST',
-            url: '/cart/index/add',
-            data: {
-                productSku: getSku(),
-                buyNumber: getNum()
-            }
-        }).then(function(data) {
-            var code = data.code;
-            var alert;
-
-            if (code === 200) {
-                $('#type-chose').slideUp(SLIDETIME);
-                $('#balance').slideDown(SLIDETIME);
-
-                $('#cart-num').text(data.data.goods_count); // 更新数目
-            } else if (code === 500) {
-                if (deposit) {
-                    alert = new Alert('定金预售商品只能在APP端购买');
-                    alert.show();
-                }
-
-                if (secKill) {
-                    alert = new Alert('秒杀商品只能在APP端购买');
-                    alert.show();
-                }
-            }
-        });
+        addCart();
     });
 
     // 收藏
@@ -1832,8 +1861,23 @@ $('.shoppingCar').on('click', '.option', function(e) {
 });
 
 $('.shoppingCar-btn').on('click', function() {
+    var $this = $(this);
+
+    if ($this.hasClass('disable')) {
+        return;
+    }
+
+    if ($this.data('gocart') === 1) {
+        addCart().then(function() {
+            window.jumpUrl($('.go-cart').attr('href'));
+        });
+
+        return;
+    }
+
     var $addToCart = $('#add-to-cart');
     var sc = $(document);
+
     sc.scrollTop(200);
 
     if (maxStock === -1) {