<ul>
<li ng-class='{ active : isActive("/menu01") }'>
<a href='#/menu01'>Menu 1</a>
</li>
<li ng-class='{ active : isActive("/menu02") }'>
<a href='#/menu02'>Menu 2</a>
</li>
</ul>
$scope.isActive = function(path){
return path === $location.path();
}
参考
$locationの使用について | AngularJS 1.2 日本語リファレンス |
Angular js add class to active element