编辑代码

import groovy.json.JsonSlurper
 
String jsonStr = '[{"name": "Alice", "age": 25},{"name": "Bob", "age": 30},{"name": "Alice", "age": 25}]'
 
JsonSlurper jsonSlurper = new JsonSlurper()
def jsonObject = jsonSlurper.parseText(jsonStr)
Set<String> departments =  jsonObject.name as Set; 

for(item in departments){
    println item +"22"
}