如何找到以下元素：<i class =“pull-right glyphicon glyphicon-chevron-right”ng-class =“getArrowClass（$ index）”> </i>

Question

如何找到beelow的元素：

<i class="pull-right glyphicon glyphicon-chevron-right" ng-class="getArrowClass($index)"></i>

我试过了：

int i = driver.findElements(By.className("getArrowClass($index)")).size();
System.out.println(i);