private ConsulClient consulClient;
    @PostConstruct
    public void init(){
        consulClient = new ConsulClient(consulLockConfig.getHost(),consulLockConfig.getPort());
    }

    /**
     * 創(chuàng)建一個sessionId
     * @param lockName
     * @param ttlSeconds
     * @return
     */
    private String createSession(String lockName,int ttlSeconds){
        NewSession session = new NewSession();
        //session.setBehavior(Session.Behavior.DELETE);
        session.setBehavior(Session.Behavior.RELEASE);
        session.setName("session " + lockName);
        session.setTtl(ttlSeconds + "s");
        return consulClient.sessionCreate(session, null).getValue();
    }

/**
 * 獲取鎖
 * @param lockName 鎖的名稱(key)
 * @param ttlSeconds 鎖的超時時間
 * @return
 */
private boolean tryLock(String lockName,int ttlSeconds){
	try {
		PutParams putParams = new PutParams();
		String sessionId = createSession(lockName, ttlSeconds);
		SessionIdHolder.setSessionId(sessionId);
		log.info("consul加鎖開始(線程:{},鎖名稱:{},sessionId:{})",Thread.currentThread().getName(), lockName,sessionId);
		putParams.setAcquireSession(sessionId);
		//2.將構(gòu)件好的LockContext存儲在consul中
		String key = consulLockConfig.PREFIX+lockName;
		//加鎖成功
		Boolean value = consulClient.setKVValue(key, sessionId, putParams).getValue();
		if(value){
			//開起一個新的線程去執(zhí)行鎖續(xù)命--調(diào)用看門狗的方式實(shí)現(xiàn)
			if(consulLockConfig.isRenewal()){  //如果續(xù)期
				new ConsulWatchDog(consulClient).watchSession(sessionId,ttlSeconds);//啟動看門狗
			}
			log.info("consul加鎖成功(線程:{},鎖名稱:{},sessionId:{})",Thread.currentThread().getName(), lockName,sessionId);
			return true;
		}else{
			//將sessionId刪除
			//consulClient.deleteKVValue(key);
			log.info("consul加鎖失敗(線程:{},鎖名稱:{},sessionId:{})",Thread.currentThread().getName(), lockName,sessionId);
			return false;
		}
	}catch (Exception e){
		e.printStackTrace();
		return false;
	}
}

/**
 * 釋放鎖
 */
public boolean unLock(String lockName){
	//log.info("consul釋放鎖開始(線程:{},鎖名稱:{})",Thread.currentThread().getName(),lockName);
	String sessionId = SessionIdHolder.getSessionId();
	try {
		//先根據(jù)鎖名稱找到對應(yīng)的sessionId   session 是需要進(jìn)行存儲的  現(xiàn)在我們是通過一個lockContnt 假如說業(yè)務(wù)上不在一個微服務(wù)里釋放鎖 對應(yīng)的 其他微服務(wù)如何獲取到這把鎖呢
		String key = consulLockConfig.PREFIX+lockName;
		Response<GetValue> kvValue = consulClient.getKVValue(key);
		if(kvValue==null) return false;
		GetValue value = kvValue.getValue();
		if(value==null) return false;
		//log.info("consul釋放鎖開始(線程:{},鎖名稱:{},sessionId:{})",Thread.currentThread().getName(),lockName,sessionId);
		PutParams putParams = new PutParams();
		putParams.setReleaseSession(sessionId);
		consulClient.setKVValue(key, sessionId, putParams);
		//String sessionId = value.getDecodedValue();
		consulClient.sessionDestroy(sessionId, null);// key value也會被刪除 是使用的DELETE
		//刪除對應(yīng)的 sessionId存儲
		//consulClient.deleteKVValue(key);
		log.info("consul釋放鎖成功(線程:{},鎖名稱:{},sessionId:{})",Thread.currentThread().getName(),lockName,sessionId);
		return true;
	}catch (Exception e){
		e.printStackTrace();
		log.info("consul釋放鎖出錯(線程:{},鎖名稱:{},sessionId:{})",Thread.currentThread().getName(),lockName,sessionId);
		return false;
	}
}