<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>最近浏览记录</title> <script type="text/javascript" src="/scripts/jquery/jquery-1.10.2.min.js"></script> <script src="/scripts/json.js" type="text/javascript"></script> <script src="/scripts/jquery/jquery.cookie.js" type="text/javascript"></script> <script> (function ($) { $.history = function (e) { var e = $.extend({ cookieName: "PrdIDCookie", //cookie名称 nid: 100, //最新访问的商品ID N: 5 //设置cookie保存的浏览记录的条数 }, e) var fn = { cutstr:function(str, len, chr) { var temp; var icount = 0; var patrn = /[^x00-xff]/; var strre = ""; for (var i = 0; i < str.length; i++) { if (icount < len - 1) { temp = str.substr(i, 1); if (patrn.exec(temp) == null) { icount = icount + 1 } else { icount = icount + 2 } strre += temp } else { break } } return typeof(chr)=="undefined"? strre:strre + chr; }, //记录最近浏览过的商品 record: function () { var _historyp; if ($.cookie(e.cookieName) == null) { //cookie 不存在 $.cookie(e.cookieName, e.nid, { expires: 7, path: '/' }); //创建新的cookie,保存浏览记录 } else { //cookies已经存在 _historyp = $.cookie(e.cookieName); //获取浏览过的商品编号ID }; var pArray = _historyp.split(','); //分解字符串为数组 _historyp = e.nid; //最新访问的商品编号放置载最前面 var count = 0; //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] != e.nid) { _historyp = _historyp + "," + pArray[i]; count++; if (count == e.N - 1) { break; } } } $.cookie(e.cookieName, _historyp); //修改cookie的值 }, bind: function () { //获取最近浏览过的商品 var _historyp = ""; if ($.cookie(e.cookieName) != null) { //cookie 不存在 _historyp = $.cookie(e.cookieName); //获取浏览过的商品ID } if (_historyp == null && _historyp == "") { return; } else { var prdIDs = []; //将商品ID以列表或数据的方式保存 var pArray = _historyp.split(','); for (var i = 0; i < pArray.length; i++) { if (pArray[i] != "") { //alert(pArray[i]); prdIDs.push(pArray[i]); } } //--->请求商品详细详细... $.post('/tools/submit_ajax.ashx?action=get_history_log', { id_arr: prdIDs.toString() }, function (data) { var data = JSON.parse(data); var list = ''; if (data) { for (var i = 0; i < data.length; i++) { list += '<li><a href="/fy/show/' + data[i].id + '.html"><font style="color:#0041d9">' + fn.cutstr(data[i].title,20) + '</font>-<font style="color:#ff6600">' + data[i].price + '元/平米.天</font></a></li>'; } } $("#history_log").html(list); }); } } } return fn; } })(jQuery) $.history({ cookieName: "PrdIDCookie", nid: 1628, N: 5 }).record(); $.history().bind(); </script> </head> <body> <ul id="history_log"></ul> </body> </html>
private void get_history_log(HttpContext context) { string id = DTRequest.GetFormString("id_arr"); DataTable dt = new BLL.article().Getdata_List("housing", 5, "id in(" + id + ")", "sort_id asc").Tables[0]; var list = new List<object>(); for (int i = 0; i < dt.Rows.Count; i++) { DataRow dr = dt.Rows[i]; list.Add(new { id = dr["id"], title = dr["title"], price = dr["price"] }); } context.Response.Write(new JavaScriptSerializer().Serialize(list)); return; }