zookeeper01配置文件内容：

文件目录：zookeeper01/conf/zoo.cfg

tickTime=2000
initLimit=10
syncLimit=5

dataDir=/Users/zhangsan/Documents/zookeeper01/data
dataLogDir=/Users/zhangsan/Documents/zookeeper01/logs

clientPort=2181
server.1=127.0.0.1:2881:3881
server.2=127.0.0.1:2882:3882
server.3=127.0.0.1:2883:3883

zookeeper02配置文件内容：

tickTime=2000
initLimit=10
syncLimit=5

dataDir=/Users/xusijun/Documents/zookeeper02/data
dataLogDir=/Users/xusijun/Documents/zookeeper02/logs

clientPort=2182

server.1=127.0.0.1:2881:3881
server.2=127.0.0.1:2882:3882
server.3=127.0.0.1:2883:3883

zookeeper03配置文件内容：

tickTime=2000
initLimit=10
syncLimit=5

dataDir=/Users/xusijun/Documents/zookeeper03/data
dataLogDir=/Users/xusijun/Documents/zookeeper03/logs

clientPort=2183

server.1=127.0.0.1:2881:3881
server.2=127.0.0.1:2882:3882
server.3=127.0.0.1:2883:3883

注意：

经过集群的测试得出：
1、位于不同网段的zookeeper无法搭建集群。