# Tree 树形控件
# 基础用法
基础的树形结构展示。
<amber-tree :data="data"></amber-tree>
<script>
export default {
data() {
return {
data: [
{
label: "一级菜单1",
expand: true,
children: [
{
label: "二级菜单1-1",
expand: true,
children: [
{
label: "三级菜单 1-1-1",
},
{
label: "三级菜单 1-1-2",
},
],
},
{
label: "二级菜单1-2",
children: [
{
label: "三级菜单 1-2-1",
},
{
label: "三级菜单 1-2-1",
},
],
},
],
},
{
label: "一级菜单2",
expand: true,
children: [
{
label: "二级菜单2-1",
expand: true,
children: [
{
label: "三级菜单 2-1-1",
},
{
label: "三级菜单 2-1-2",
},
],
},
{
label: "二级菜单2-2",
children: [
{
label: "三级菜单 3-2-1",
},
{
label: "三级菜单 3-2-2",
},
],
},
],
},
],
};
},
};
</script>
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# 多选(checkbox)
设置属性 show-checkbox 可以对数据勾选,使用勾选必须开启属性 multiple
<amber-tree :data="data" show-checkbox multiple></amber-tree>
<script>
/**
*
*/
export default {
data() {
return {
data: [
{
label: "一级菜单1",
expand: true,
children: [
{
label: "二级菜单1-1",
expand: true,
children: [
{
label: "三级菜单 1-1-1",
},
{
label: "三级菜单 1-1-2",
},
],
},
{
label: "二级菜单1-2",
children: [
{
label: "三级菜单 1-2-1",
},
{
label: "三级菜单 1-2-1",
},
],
},
],
},
{
label: "一级菜单2",
expand: true,
children: [
{
label: "二级菜单2-1",
expand: true,
children: [
{
label: "三级菜单 2-1-1",
},
{
label: "三级菜单 2-1-2",
},
],
},
{
label: "二级菜单2-2",
children: [
{
label: "三级菜单 3-2-1",
},
{
label: "三级菜单 3-2-2",
},
],
},
],
},
],
};
},
};
</script>
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# 多选
设置属性 multiple 可以开启多选的树选择
<amber-tree :data="data" multiple></amber-tree>
<script>
/**
*
*/
export default {
data() {
return {
data: [
{
label: "一级菜单1",
expand: true,
children: [
{
label: "二级菜单1-1",
expand: true,
children: [
{
label: "三级菜单 1-1-1",
},
{
label: "三级菜单 1-1-2",
},
],
},
{
label: "二级菜单1-2",
children: [
{
label: "三级菜单 1-2-1",
},
{
label: "三级菜单 1-2-1",
},
],
},
],
},
{
label: "一级菜单2",
expand: true,
children: [
{
label: "二级菜单2-1",
expand: true,
children: [
{
label: "三级菜单 2-1-1",
},
{
label: "三级菜单 2-1-2",
},
],
},
{
label: "二级菜单2-2",
children: [
{
label: "三级菜单 3-2-1",
},
{
label: "三级菜单 3-2-2",
},
],
},
],
},
],
};
},
};
</script>
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# Attributes 参数
参数 | 说明 | 类型 | 默认值 |
---|---|---|---|
show-checkbox | 是否显示多选框 | boolean | false |
multiple | 是否多选 | Boolean | false |
data | tree数据 | Array | -- |
childrenKey | data中子节点的名字 | String | 'children' -- |
v-width | tree选择器的width | String | '240px' |
defaultLabel | 默认单选的值 | String | '' |
defaultCheckList | 默认多选的值 | Array | [] |
# Event
事件名 | 说明 | 返回值 |
---|---|---|
onChange | 选中的值发生变化时 | 选中的数据 |