解决:使用$index获取数组下标根据下标改变样式
<div ng-repeat="item in menulist"> <div class="z_cstorge_menu"> <span class="z_cstorge_menu_ico{{$index}}"></span> <span class="z_cstorge_text"> {{item.DirName}} </span> </div> </div>
<div ng-repeat="item in menulist"> <div class="z_cstorge_menu"> <span class="z_cstorge_menu_ico{{$index}}"></span> <span class="z_cstorge_text"> {{item.DirName}} </span> </div> </div>