baidu / baidu/amis

表单项的绑定字段应该怎么使用?

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Dominant language
TypeScript
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Description

#### 描述问题:
表单项的绑定字段应该怎么使用?

#### 截图或视频:

![image](https://github.com/baidu/amis/assets/42562279/071091aa-367f-4eb3-b45b-0c21c6ea92b1)

getAvailableContextFields没有发现有效数据,或者有其他使用方式?
![image](https://github.com/baidu/amis/assets/42562279/5b8aba4a-3fe7-4443-a9af-28df3d185ebf)

Contributor guide

No contributing guide indexed for this repository

Research direction

Start by reproducing the form-item binding scenario shown in the screenshots and inspect how getAvailableContextFields is used. Determine whether the reported empty result is expected or indicates missing context data; document the supported usage or define the missing behavior before making a change.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
frontend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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