过滤HTML

public static String filterHTML(String sHtml) {
	if (sHtml == null || "".equals(sHtml)) {
		return "";
	}
	return sHtml.replace("&", "&").replace(" ", " ")
				.replace("<", "&lt;").replace(">", "&gt;")
				.replace("\"", "&quot;").replace("\r\n", "<br>");
}