public boolean writePageStats(String fileName) {
		if (pageStats == null)
			return false;
		if (fileName.equals("")) {
			fileName = ClsBase.getFileNameTime() + ".txt";
		}
		Iterator<Entry<String, ClsPage>> it = pageStats.entrySet().iterator();
		String line = "";
		ClsFile cf = new ClsFile(fileName);
		cf.writeFile("ҳ\tҳƵ\tҳ\tƵ\n");
		while (it.hasNext()) {
			Map.Entry<String, ClsPage> entry = (Map.Entry<String, ClsPage>) it.next();
			line += entry.getKey().toString() + "\t";
			line += ((ClsPage) entry.getValue()).serializeParamsInfo();
			line += "\n";
			cf.writeFile(line);
			line = "";
		}
		cf.closeFile();
		return true;
	}