颜色尺码选择禁止点透

@@ -71,6 +71,32 @@ function setEditModeWithSknId(sknId, isThisGoodSelected) {
     isSelected = isThisGoodSelected;
 }
 
+function preventDefault(e) {
+    console.log(e);
+    if (e.target.localName === 'ul') return;
+    e = e || window.event;
+    if (e.preventDefault)
+        e.preventDefault();
+    e.returnValue = false;
+}
+
+function disableScroll(e) {
+    if (window.addEventListener) // older FF
+        window.addEventListener('DOMMouseScroll', preventDefault, false);
+    window.onwheel = preventDefault; // modern standard
+    window.onmousewheel = document.onmousewheel = preventDefault; // older browsers, IE
+    window.ontouchmove  = preventDefault; // mobile
+}
+
+function enableScroll() {
+    if (window.removeEventListener)
+        window.removeEventListener('DOMMouseScroll', preventDefault, false);
+    window.onmousewheel = document.onmousewheel = null;
+    window.onwheel = null;
+    window.ontouchmove = null;
+    document.onkeydown = null;
+}
+
 //删除面板
 function removePannel() {
     var $pannel = $('.chose-panel'),
@@ -112,9 +138,7 @@ function disableNumEdit() {
 
 
 function show(html, cb) {
-    var $html = $('html, body');
-
-    /*var scrollPosition = [
+    var scrollPosition = [
             document.documentElement.scrollLeft || document.body.scrollLeft,
             document.documentElement.scrollTop || document.body.scrollTop
         ],
@@ -124,7 +148,7 @@ function show(html, cb) {
     $html.data('previous-overflow', $html.css('overflow'));
     $html.css('overflow', 'hidden');
     $html.css('height', '100%');
-    window.scrollTo(scrollPosition[0], scrollPosition[1]);*/
+    window.scrollTo(scrollPosition[0], scrollPosition[1]);
 
     if (html) {
         $chosePanel.html(html);
@@ -136,20 +160,22 @@ function show(html, cb) {
     $('.chose-panel').show();
     $num = $('#good-num');
     cbFn = cb;
+
+    disableScroll();
 }
 
 //隐藏当前Panel
 function hide() {
-    $html = $('html, body');
-
-    /*var $html = $('html, body'),
+    var $html = $('html, body'),
         scrollPosition = $html.data('scroll-position');
 
     // un-lock scroll position
     $html.css('overflow', $html.data('previous-overflow'));
     $html.css('height', 'auto');
-    window.scrollTo(scrollPosition[0], scrollPosition[1]);*/
+    window.scrollTo(scrollPosition[0], scrollPosition[1]);
     $('.chose-panel').hide();
+
+    enableScroll();
 }
 
 //修改加入购物车的文字和背景
@@ -231,6 +257,7 @@ function changeColorChosed(newColorIndex) {
 
 init();
 
+
 $yohoPage.on('touchstart', '.chose-panel', function(e) {
     var $cur = $(e.target);
 
@@ -241,6 +268,8 @@ $yohoPage.on('touchstart', '.chose-panel', function(e) {
     //点击蒙版消失
     hide();
 
+    enableScroll();
+
     return false;
 });