fineui是帆软报表和BI产品线所使用的前端框架。
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# bi.lazy_loader
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### 懒加载
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{% method %}
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[source](https://jsfiddle.net/fineui/n710yphc/)
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{% common %}
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```javascript
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BI.createWidget({
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type: "bi.lazy_loader",
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width: 100,
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element: 'body',
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items: items,
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});
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```
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{% endmethod %}
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### 方法
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| 方法名 | 说明 | 参数 |
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| --------------------- | ---------- | ----- |
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| addItems | 列表最后添加元素 | items |
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| setValue | 设置值 | data |
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| getVlaue | 获得值 | — |
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| empty | 清空 | — |
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| populate | 替换内容 | items |
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| setNotSelectedValue | 设置未选中值 | — |
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| getNotSelectedValue | 获取未选中植 | — |
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| getAllButtons | 获得所以根节点 | — |
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| getAllLeaves | 获得所有叶节点 | — |
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| getSelectedButtons | 获取选中的根节点 | — |
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| getNotSelectedButtons | 获取未选中的根节点 | — |
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| getIndexByValue | 根据值获取索引 | value |
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| getNodeById | 根据id获取node | id |
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| getNodeByValue | 根据值获取node | value |
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