Jquery实现最近浏览过的商品功能代码,需要的朋友可以参考下。
<script type="text/javascript" src="JS/jquery.js"></script> //与Prototype 类似的框架
(责任编辑:admin)<script type="text/javascript" src="JS/JCookie.js"></script> //插件 /*JCookie.js * / jQuery.cookie = function(name, value, options) { if (typeof value != 'undefined') { // name and value given, set cookie options = options || {}; if (value === null) { value = ''; options.expires = -1; } var expires = ''; if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) { var date; if (typeof options.expires == 'number') { date = new Date(); date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000)); } else { date = options.expires; } expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE } var path = options.path ? '; path=' + options.path : ''; var domain = options.domain ? '; domain=' + options.domain : ''; var secure = options.secure ? '; secure' : ''; document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join(''); } else { // only name given, get cookie var cookieValue = null; if (document.cookie && document.cookie != '') { var cookies = document.cookie.split(';'); for (var i = 0; i < cookies.length; i++) { var cookie = jQuery.trim(cookies[i]); // Does this cookie string begin with the name we want? if (cookie.substring(0, name.length + 1) == (name + '=')) { cookieValue = decodeURIComponent(cookie.substring(name.length + 1)); break; } } } return cookieValue; } }; <div id="latestp"></div> <script type="text/javascript"> var historyp; //最新访问的商品编号ID var nid="新商品编号ID"; //设置cookie保存的浏览记录的条数 var N=10; var count=0; //判断是否存在cookie if($.cookie('smile1314h')==null) //cookie 不存在 { //创建新的cookie,保存浏览记录 $.cookie('smile1314h',nid,{expires:7,path:'/'}); //$.cookie('smile1314h',nid,{expires:7,path:'/',domain:'smile1314.com',secure:true}); } else //cookies已经存在 { //获取浏览过的商品编号ID historyp=$.cookie('smile1314h'); var check_result = $('#latestp'); check_result.html('<img src=/CSS/Image/Loading.gif style=/"margin-left:40px;;/">'); //ajax 根据产品编号获取信息列表 $.ajax({ //一个Ajax过程 type: "get", url : "/Comm/getLatestProduct.ashx", dataType:'html', data: "P_Id="+historyp, success: function(json){ check_result.html(""); check_result.html(json); }}); //分解字符串为数组 var pArray=historyp.split(','); //最新访问的商品编号放置载最前面 historyp=nid; //判断是该商品编号是否存在于最近访问的记录里面 for(var i=0;i<pArray.length;i++) { if(pArray[i]!=nid) { historyp=historyp+","+pArray[i]; count++; if(count==N-1) { break; } } } //修改cookie的值 $.cookie('smile1314h',historyp); } </script> |