package com.walker.tcp.littleD; /** * 心跳包响应对象 * @author 时克英 * */ public class HeartBeatResponse extends AbstractResponse { /** * */ private static final long serialVersionUID = 6690735385453062807L; @Override public String getProtocolNum() { this.setProtocolNum("BP03"); // return "BP03"; return super.getProtocolNum(); } @Override protected void appendBusiness(StringBuilder sb) { } }