分屏的关闭事件，相关样式调整

shuishen

2021-06-04 a239631f7bbd0c17037c31d3fcb04504ab317c51

1
.claro .dijitTreeRtl .dijitTreeExpandoLoading {background-image: url("../../icons/images/loadingAnimation_rtl.gif"); background-position: 100% 0;}