基于 Vue 的树形选择组件的示例代码

background-attachment: scroll;
background-image: url('selects.png');
}
.tree-select-null {
background-position: 0 0;
}
.tree-select-full {
background-position: -14px 0;
}
.tree-select-half {
background-position: -14px -28px;
}
</style>

</body>
</html>