//解析地址和端口
String addr = mc.group(1);
String[] addrs = addr.split(";");
for(int i=0; i<addrs.length; i++) {
try {
this.portList.add(new Port(addrs[i]));
} catch (UnknownHostException e) {
throw new ParseException("Unkown host - Port="+addrs[i]);
}
}
//解析凭证