优化尺码颜色选择

@@ -118,6 +118,26 @@ function updateConformButtonClassAndText() {
     }
 }
 
+//显示剩余件数
+function displayGoodNum(curGoodNum) {
+
+    //数量大于0
+    if (curGoodNum > 0) {
+        if ($soonSoldOut.length > 0) {
+            $allChoseItems.find('.num .left-num').html('即将售罄');
+        } else {
+            $allChoseItems.find('.num .left-num').html('剩余' + curGoodNum + '件');
+        }
+
+        $leftNum.val(curGoodNum);
+
+        //数量小于0
+    } else {
+        $allChoseItems.find('.num .left-num').html('');
+        $leftNum.val(0);
+    }
+}
+
 init();
 
 $yohoPage.on('touchstart', '.chose-panel', function(e) {
@@ -187,23 +207,11 @@ $yohoPage.on('touchstart', '.color-list .block', function() {
                 $curSizeBlock.addClass('chosed');
             }
 
-            //数量大于0
-            if (curGoodNum > 0) {
-                if ($soonSoldOut.length > 0) {
-                    $allChoseItems.find('.num .left-num').html('即将售罄');
-                } else {
-                    $allChoseItems.find('.num .left-num').html('剩余' + curGoodNum + '件');
-                }
-
-                $leftNum.val(curGoodNum);
-
-            //数量小于0
-            } else {
-                $allChoseItems.find('.num .left-num').html('');
-                $leftNum.val(0);
-            }
         }
 
+        // 显示剩余数量
+        displayGoodNum(curGoodNum);
+
         // 尺码行当前行隐藏
         $sizeRowList.eq(curSizeIndex).removeClass('show').addClass('hide');
 
@@ -271,30 +279,16 @@ $yohoPage.on('touchstart', '.color-list .block', function() {
             // 之前选中的颜色去掉勾选样式,新颜色块勾选
             if ($curColorBlock && $curColorBlock.length > 0) {
                 $curColorBlock.removeClass('chosed');
-
-                //curColorBlock = $colorRowList.eq(curColorIndex + 1).children().get(curSizeIndex - 1);
                 curColorBlock = $colorRowList.eq(index + 1).children().get(curSizeIndex - 1);
                 $curColorBlock = $(curColorBlock);
                 curGoodNum = $curColorBlock.data('num');
                 $curColorBlock.addClass('chosed');
             }
-
-            //数量大于0
-            if (curGoodNum > 0) {
-                if ($soonSoldOut.length > 0) {
-                    $allChoseItems.find('.num .left-num').html('即将售罄');
-                } else {
-                    $allChoseItems.find('.num .left-num').html('剩余' + curGoodNum + '件');
-                }
-                $leftNum.val(curGoodNum);
-
-                //数量小于0
-            } else {
-                $allChoseItems.find('.num .left-num').html('');
-                $leftNum.val(0);
-            }
         }
 
+        // 显示剩余数量
+        displayGoodNum(curGoodNum);
+
         // 颜色当前行隐藏
         $colorRowList.eq(curColorIndex).removeClass('show').addClass('hide');