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## What problem does this feature solve?
我看到文档，
SettingsService.setLayout('collapsed', status);
这个应该是控制整个菜单的展开效果.
如果想控制个别菜单的展开，如下面代码中的collapsed: true,来控制当前菜单是否展开，目前似乎不能实现。
能否增加这个功能的支持。
```
…
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### Reproduction link
[https://github.com/ng-alain](https://github.com/ng-alain)
### Steps to reproduce
或其他function轉換成barcode(Code 39)圖片，顯示在表格上，[展示](https://barcode.tec-it.com/zh/Code39)，讓使用者可以…
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建议给se、sv、sg添加colspan属性，支持跨列，如下所示
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## Bug Report or Feature Request (mark with an `x`)
```
- [ ] bug report -> please search issues before submitting
- [x] feature request
```
比如示例的门店页面，想让工作区的门店表格的高度自适应铺满工作区，该如何实现？谢谢~
### Ver…
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## What problem does this feature solve?
对于动态表单, 现在只能手动写json-schema, 如果能通过界面配置就更好
## What does the proposed API look like?
无
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# 🚀 Feature request
### Command (mark with an `x`)
- [x] new
### Description
Putting comments in `proxy.conf.json` will not work. like this:
```json
// This is comments
{
}…
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### Reproduction link
[https://stackblitz.com/edit/ng-alain-setup-eoqxuk](https://stackblitz.com/edit/ng-alain-setup-eoqxuk)
### Steps to reproduce
delon/abc/xlsx 內部所引用的外部 https://cdn.bootcdn.net…
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### Reproduction link
[https://stackblitz.com/edit/ng-alain-setup-y2rrjw?file=src/app/app.component.ts](https://stackblitz.com/edit/ng-alain-setup-y2rrjw?file=src/app/app.component.ts)
### Steps t…