大家来研究一下CSDN论坛的筛选得分贴和人的JAVASCRIPT脚本

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不显示 删除回复 显示所有回复 显示星级回复 显示得分回复
脚本页面地址：http://topic.csdn.net/u/t5/t5.js
部分代码学习：
用来分析得分的人和分数，还有回复人等，哈哈。

function updateReplyItems() {
	if (!window.reply_items) {
		var imgs = document.getElementsByTagName("img");
		window.reply_items = {};
		for (var i = 0; i < imgs.length; i++) {
			var match = (/^grade\s+(\w+)$/i).exec(imgs[i].className);
			if (match) {
				var table = imgs[i].parentNode;
				while (table && !(/^table$/i).test(table.tagName))
					table = table.parentNode;
				if (!table) continue;
				grade = match[1];
				var as = table.getElementsByTagName("a");
				var username = "";
				for (var j = 0; j < as.length; j++) {
					match = (/^http\:\/\/hi\.csdn\.net\/(\w+)\/?$/i).exec(as[j].href);
					if (match) {
						username = match[1].toLowerCase();
						break;
					}
				}
				var dfns = table.getElementsByTagName("dfn");
				var point = 0;
				var layer = 0;
				for (j = 0; j < dfns.length; j++) {
					var p = /#(\d+)楼\s+得分：(\d+)/.exec(dfns[j].innerHTML);
					if (p) {
						layer = parseInt(p[1]);
						point = parseInt(p[2]);
						break;
					}
				}

				var ls = table.getElementsByTagName("li");
				var honor = null;
				for (j = 0; j < ls.length; j++) {
					if (ls[j].getAttribute("name") == "honor") {
						honor = ls[j];
						break;
					}
				}
				var tds = table.getElementsByTagName("td");
				var body = null;
				var replyId = "";
				var isdeleted = false;
				for (j = 0; j < tds.length; j++) {
					if (/^r?body/.test(tds[j].getAttribute("csdnid"))) {
						body = tds[j];
						var match = /(\d+)/.exec(tds[j].getAttribute("csdnid"));
						if (match) replyId = match[1];
					} else if (/^rmodify_/.test(tds[j].getAttribute("csdnid"))) {
						isdeleted = /删除/.test(tds[j].innerHTML);
					}
				}
				var divs = table.getElementsByTagName("div");
				var recommend = null;
				for (j = 0; j < divs.length; j++) {
					if (divs[j].className == "rt") {
						recommend = divs[j];
						break;
					}
				}
				reply_items[layer] = {
					"grade": grade
					, "table": table
					, "body": body
					, "username": username
					, "point": point
					, "honor": honor
					, "recommend": recommend
					, "replyId": replyId
					, "isdeleted": isdeleted
				};
			}
		}
	}
}

[专注编程优化20年]

function changeViewMode(select) {
	updateReplyItems();
	var myname = ("" + getCookie("UserName")).toLowerCase();
	for (var i = 0 in reply_items) {
		if (!reply_items[i].replyId) continue; // 非回复
		reply_items[i].table.className = "mframe"; // 去掉隐藏属性
		switch (select.value) {
			case "0": // 全部显示
				reply_items[i].table.style.display = "";
				break;
			case "1": // 星级回复
				reply_items[i].table.style.display = !(/^user/i).test(reply_items[i].grade) ? "" : "none";
				break;
			//case "2": // 楼主回复 
			//	reply_items[i].table.style.display = xxx == reply_items[i].username ? "" : "none"; 
			//	break; 
			case "3": // 得分回复
				reply_items[i].table.style.display = reply_items[i].point > 0 ? "" : "none";
				break;
			case "4": // 自己回复
				reply_items[i].table.style.display = myname == reply_items[i].username ? "" : "none";
				break;
			case "5": // 隐藏删除
				reply_items[i].table.style.display = reply_items[i].isdeleted ? "none" : "";
				break;
		}
	}
}

[专注编程优化20年]

大家一起来研究