halower

compile(group: 'org.springframework.cloud', name: 'spring-cloud-starter-zookeeper-discovery', version:'2.1.0.RELEASE') { exclude(module: 'zookeeper') }, optional, it's not work

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``` compile(group: 'org.springframework.cloud', name: 'spring-cloud-starter-zookeeper-discovery', version:'2.1.0.RELEASE',optional) { exclude(module: 'zookeeper') } ``` it's not work,too my maven code is ``` org.springframework.cloud spring-cloud-starter-zookeeper-discovery ${spring-cloud-zookeeper.version} true org.apache.zookeeper zookeeper ```

### Questions I want to implement `SELECT * FROM TEST WHERE FIELD IN (?) `, use the ` ... WHERE name IN (#{names}) ` but no data was obtained ```...