obj.collect { it -> it?.action } 可以简化为obj*.action 一个例子，右对齐打印 ss = ['afsdf','ad','ads','a'] n = ss*.size().max() //相当于ss.collect { it.size() }.max() ss1 = ss*.padLeft(n,'.') // 相当于ss.collect { it.padLeft(n,'.') } 如果打印ss1: ss1.each { println "[$ss1]" } [afsdf] [...ad] [..ads] [....a]
