我有以下代码，也可以在http://jsfiddle.net/garukun/u69PT/上摆弄.查看:{{pkey}}JS:vartestApp=angular.module('testApp',[]);testApp.directive('testDirective',function($timeout){return{scope:{key:'=parentItem',parentUpdate:'&'},replace:true,template:'{{key}}'+'Lock'+'',controller:function($scope,$element,$attrs){$sco