分期订单

@@ -47,13 +47,19 @@ var loadOrderList = function(pageIndex, type) {
     }
 };
 
-
+var lastScrollTop = 0;
+var windowHeight = $(window).height();
 var scrollFn = debounce(function() {
-    if ($(window).scrollTop() >= $(document).height() - $(window).height() - 10) {
-        // alert('end of page');
+    var scrollTop = $(window).scrollTop();
 
+    // 当scroll到1/4列表高度后继续请求下一页数据
+    if (scrollTop > lastScrollTop &&
+        (scrollTop + windowHeight >
+        $(document).height() - 0.25 * $('#order-list').height() - 50)) {
         loadOrderList(search.type, ++search.pageIndex);
     }
+
+    lastScrollTop = scrollTop;
 }, 500);
 
 /**