image.png
image.png
ref="school_tree"
// 获取树所有子节点
let treeChildren = this.$refs.school_tree.$children[0].$children;
treeChildren.forEach(treeItem => {
treeItem.$el.children[2].style.backgroundColor = "";
});
// 下标数组遍历
existIdArr.forEach(idItem => {
// 如果下标超过8
if (idItem > 8) {
this.$refs.school_tree.$el.scrollTop = (idItem - 8) * 35;
}
// 设置背景色
treeChildren[idItem].$el.children[2].style.backgroundColor =
"#ff9632";
});
