火狐扩展开发：获得最近访问的列表-优快云博客

本文介绍了一种使用Mozilla浏览器的历史记录服务来按时间范围检索包含特定搜索词的访问记录的方法。通过设置开始时间和结束时间，可以获取过去指定天数内的历史访问记录，并按访问次数倒序排列。

function getHistoryByTime(days) {
    var historySvc = Components.classes["@mozilla.org/browser/nav-history-service;1"].getService(Components.interfaces.nsINavHistoryService);
    if (days == null || days == undefined) {
        days = 7;
    }
    var list = new Array();
    var query = historySvc.getNewQuery();
    query.searchTerms = "firefox";
    var query2 = historySvc.getNewQuery();
    query2.beginTimeReference = query2.TIME_RELATIVE_NOW;
    query2.beginTime = -24 * parseInt(days) * 60 * 60 * 1000000;
    query2.endTimeReference = query2.TIME_RELATIVE_NOW;
    query2.endTime = 0;
    var options = historySvc.getNewQueryOptions();
    options.sortingMode = historySvc.SORT_BY_VISITCOUNT_DESCENDING;
    options.queryType = historySvc.QUERY_TYPE_HISTORY;
    options.maxResults = 10;
    options.resultType = historySvc.RESULTS_AS_VISIT;
    var result = historySvc.executeQueries([query, query2], 2, options);
    var cont = result.root;
    cont.containerOpen = true;
    for (var i = 0; i < cont.childCount; i++) {
        var node = cont.getChild(i);
        if (node != null && node != undefined) {
            if (node.uri && !node.uri.indexOf("file") == 0) {
                var entry = {
                    title: node.title == null ? node.uri : node.title,
                    pic: "",
                    icon: node.icon,
                    url: node.uri
                };
                list.push(entry);
            }
        }
    }
    cont.containerOpen = false;
    return list;
}