1.1新增环境变量：ZOOKEEPER_HOME
变量值：D:\zookeeper\zookeeper-3.4.10 （变量值要根据你下的zookeeper包的放置位置）
1.2添加到PATH里面
;%ZOOKEEPER_HOME%/bin; %ZOOKEEPER_HOME%/conf
1.3修改配置文件为/conf/zoo.cfg
下面是配置文件内容网上找的
# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial
# synchronization phase can take
initLimit=10
# The number of ticks that can pass between
# sending a request and getting an acknowledgement
syncLimit=5
# the directory where the snapshot is stored.
# do not use /tmp for storage, /tmp here is just
# example sakes.
dataDir=D:\\zookeeper-3.4.7\\data
dataLogDir=D:\\zookeeper-3.4.7\\log
# the port at which the clients will connect
clientPort=2181
# the maximum number of client connections.
# increase this if you need to handle more clients
#maxClientCnxns=60
#
# Be sure to read the maintenance section of the
# administrator guide before turning on autopurge.
#
# http://zookeeper.apache.org/doc/current/zookeeperAdmin.html#sc_maintenance
#
# The number of snapshots to retain in dataDir
#autopurge.snapRetainCount=3
# Purge task interval in hours
# Set to "0" to disable auto purge feature
#autopurge.purgeInterval=1
2.下载DUBBO
2.1里面是写例子导入到eclipse中
2.2启动PROVIDER例子；
2.3执行CONSUMER
