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<div id="list_box"></div> <div id="getMore" style="position:fixed; bottom:0; opacity:0.7; height:24px; line-height:24px; background:#fff; color:#000;">更多内容正在加载...</div> <script> var cur_page = 0; var max_page = 100; var page_size = 15; function get_content(){ cur_page++; var str = ‘‘; $.post("http://www.frontopen.com/xxx.php", {‘type‘:t, ‘size‘:page_size, ‘page‘:cur_page}, function(s){ $(‘#getMore‘).hide(); s = $.parseJSON(s); for(i in s){ str += ‘‘; } $("#list_box").append(str); }); } $(document).ready(function() { //页面回退时优先加载缓存,并自动滚动到原阅读位置 var con = localStorage.getItem("active_list_con"); if(con){ cur_page = localStorage.getItem("active_list_page"); $("#list_box").append(con); $("html,body").css(‘scrollTop‘, localStorage.getItem("active_list_scroll")); } $(window).scroll(function() { if ($(window).scrollTop() + $(window).height() == $(document).height() && cur_page != max_page) { $(‘#getMore‘).show(); get_content(); //加入缓存 localStorage.setItem("active_list_con", $("#list_box").html()); localStorage.setItem("active_list_page", cur_page); localStorage.setItem("active_list_scroll", $(window).scrollTop()); } }); //页面进入时自动第一次加载内容 get_content(); }); </script>
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原文地址:http://www.cnblogs.com/doseoer/p/4445994.html