fineui是帆软报表和BI产品线所使用的前端框架。
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7 years ago
# bi.level_tree
### 二级树
{% method %}
[source](https://jsfiddle.net/fineui/nvvkwhfo/)
{% common %}
```javascript
var tree = BI.createWidget({
type: "bi.level_tree",
element: 'body',
items: [],
});
```
{% endmethod %}
### 参数设置
| 参数 | 说明 | 类型 | 默认值 |
| -------- | ----------------- | ------ | ---- |
| expander | branch_expander配置 | object | {} |
| items | 元素 | array | [] |
### 方法
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| 方法名 | 说明 | 参数 |
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| -------------- | -------- | ----------- |
| initTree | 构造树结构 | nodes |
| stroke | 生成树方法 | nodes |
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| populate | 去掉所有内容 | items: 子项数组 |
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| setValue | 设置值 | v |
| getValue | 获得值 | — |
| getAllLeaves | 获取所有叶节点 | — |
| getNodeById | 根据Id获取节点 | id |
| getNodeByValue | 根据值获取节点 | id |
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