IONIC自定义subheader的最佳解决方案

/**
* Created by Richard on 9/21/16.
*/
'use strict';
// @ngInject
module.exports = function() {
return {
link: function(scope, element, attrs) {
scope.$watch(function() {
let height = element[0].offsetHeight + 44;
let cOntent= angular.element(document.querySelector('.has-subheader'));
content.css("top", height + "px");
});
}
}
};

.directive('customSubheader', customSubheader)

.bar-subheader {
height: auto;
}