数据请求

> 建议先使用willFetch来实现，不建议使用load来传递options里非params的参数；

_Originally posted by @xingmolu in [#352](https://github.com/alibaba/lowcode-engine/issues/352#issuecomment-1105187545)_

willFetch怎么使用

Start with the willFetch recommendation and the linked #352 discussion. Clarify how willFetch should be used, especially compared with load for options outside params, and provide a concrete usage example; the work is done when the question is answered unambiguously.

Written by the indexing model from the issue text.