转载自:https://www.cnblogs.com/shaobin0604/p/9680621.html
在jenkins的
def jobName = "zjt_UIAutoTest"
def maxNumber = 80
Jenkins.instance.getItemByFullName(jobName).builds.findAll {
it.number <= maxNumber
}.each {
it.delete()
}
其中maxNumber = 80为被删除的最大构建数