优化saunter页面lazyload，修正推荐列表反复点击造成lazyload重复处罚问题

@@ -10,6 +10,23 @@ var $ = require('jquery'),
 
 require('lazyload');
 
+//lazyLoad-Fn
+function lazyLoad(imgs, options) {
+    var setting = {
+        effect : 'fadeIn',
+        effect_speed: 10,
+        placeholder: 'data:image/gif;base64,R0lGODlhAQABAJEAAAAAAP///93d3f///yH5BAEAAAMALAAAAAABAAEAAAICVAEAOw=='
+    }, $imgs;
+    if (typeof imgs === 'undefined') {
+        $imgs = $('img.lazy');
+    } else {
+        $imgs = imgs;
+    }
+    if (typeof options !== 'undefined') {
+        $.extend(setting, options);
+    }
+    $imgs.lazyload(setting);
+}
 /**
  * 初始化Android页面
  */
@@ -34,7 +51,8 @@ exports.initAndroid = function() {
         }
         
         //类型3文章相关变量
-        var isInit = true, 
+        var isInit = true,
+            hadLazy = {},
             atContainer,
             thumbContainer,
             prodList,
@@ -53,10 +71,7 @@ exports.initAndroid = function() {
         });
         
         //图片懒加载
-        $('img.lazy').lazyload({
-             effect : 'fadeIn',
-             placeholder: 'data:image/gif;base64,R0lGODlhAQABAJEAAAAAAP///93d3f///yH5BAEAAAMALAAAAAABAAEAAAICVAEAOw=='
-        });
+        lazyLoad();
         
         //提示信息位置
     	winH = $(window).height();
@@ -139,14 +154,11 @@ exports.initAndroid = function() {
                 .addClass('hide')
                 .eq(index)
                 .removeClass('hide');
-
-            //图片懒加载
-            $('img.lazy').lazyload({
-                 effect : 'fadeIn',
-                 container: prodList.find('.prod:eq(' + index + ')'),
-                 placeholder: 'data:image/gif;base64,R0lGODlhAQABAJEAAAAAAP///93d3f///yH5BAEAAAMALAAAAAABAAEAAAICVAEAOw=='
-            });
-
+            //图片懒加载(防止多次点击反复触发造成页面闪烁现象)
+            if (!hadLazy[index]) {
+                hadLazy[index] = true;
+                lazyLoad(prodList.find('.prod:eq(' + index + ') img.lazy'));
+            }
             //scroll to top
             if (!isInit) {
                 $('body').animate({
@@ -200,10 +212,7 @@ exports.initOther = function() {
             $intro.css('padding-top', 0);
         }
         //图片懒加载
-        $('img.lazy').lazyload({
-            effect : 'fadeIn',
-            placeholder: 'data:image/gif;base64,R0lGODlhAQABAJEAAAAAAP///93d3f///yH5BAEAAAMALAAAAAABAAEAAAICVAEAOw=='
-        });
+        lazyLoad();
         
         //相关文章截取文字
         ellipsis.init();
@@ -400,7 +409,7 @@ exports.initOther = function() {
                 fixedThumbContainer
                     .addClass('hide');
             }
-            
+
             $('#scroller').trigger('scroll');
         });
         //手动触发scroll， 初始化fixedThumb的位置和显示