最近浏览记录

 项目中要使用到保存最近浏览的历史记录的需求，使用cookie做了一份，备用。

function writeCookie(obj, arylength) {
    var history = $.cookie("project_history");
//        $.cookie("project_history",null)
    var projectId = $("#" + $(obj).prev().attr("id")).val().toLowerCase();
    var projectName = $(obj).html().Trim();

    if (history != null && history != "undefined") {
        var newhistory = "";
        var sethistory = "";
        var strArray = history.split('|');

        //判断是否存在相同的ID,如果存在，则将点击的条目放到第一位，否则添加新纪录
        if (history.indexOf(projectId) == -1) {
            //判断数组长度是否小于显示条数
            if (strArray.length > arylength) {
                for (var i = arylength; i < strArray.length; i++) {
                    //清除多余的数据，从满足条数的后一条数据开始移除
                    strArray.splice(i);
                }
                //重新组合历史数据
                for (var m = 0; m < strArray.length; m++) {
                    sethistory = sethistory + strArray[m] + "|";
                }
                sethistory = sethistory.substring(0, sethistory.length - 1);
            }
            else {
                sethistory = history;
            }
            newhistory = projectId + "#" + projectName + "|" + sethistory;
        }
        else {
            //移除掉点击的项目
            var index = 0;
            for (var x = 0; x < strArray.length; x++) {
                var equalItem = projectId + "#" + projectName;
                if (equalItem == strArray[x]) {
                    strArray.splice(x);
                    break;
                }
            }
            //重新组合历史数据
            for (var m = 0; m < strArray.length; m++) {
                sethistory = sethistory + strArray[m] + "|";
            }
            sethistory = sethistory.substring(0, sethistory.length - 1);
            newhistory = projectId + "#" + projectName + "|" + sethistory;
        }
        $.cookie("project_history", newhistory);
    }
    else {
        $.cookie("project_history", projectId + "#" + projectName);
    }
}

function createHistoryList(url,container) {
    var str = new Array(); 
    var historyList = $.cookie("project_history");
    if (historyList != null && historyList != "undefined") {
        str = historyList.split('|');
        var trHtml = "";
        for (var i = 0; i < str.length; i++) {
            trHtml += "<tr><td><a href='" + url + str[i].split('#')[0] + "' target='_blank'>" + str[i].split('#')[1] + "</a></td></tr>";
        }
        var tableHtml = "<table class='grgz_tab001'>" + trHtml + "</table>";
        $("#" + container).html(tableHtml);
    }
}