/// <summary> /// ¼üÊÇ·ñ´æÔÚ /// </summary> /// <param name="key">¼ü</param> /// <returns>true/false</returns> public bool ContainsKey(string key) { var c = SlaveHosts[0].IsNullEmpty() ? GetClient() : Rand.RndInt(1, 3) == 1 ? GetClient() : GetReadOnlyClient(); return(c.ContainsKey(key)); }