fix(form): fixed dynamic rendering of form default data #3145
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l123wx
requested review from
honkinglin,
uyarn,
carolin913,
HaixingOoO,
NWYLZW and
ZWkang
as code owners
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l123wx
changed the title
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@HaixingOoO @honkinglin 一起看看呢 |
好 |
- 将 floatingFormDataRef 移至 formContext - 将 FormItem 渲染后删除对应游离值的逻辑移至 userFormItemInitialData hook 内
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@l123wx 需要解决下冲突再更新下快照 |
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/update-snapshot |
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⏳ 正在运行快照更新。。。 CI: Open |
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@uyarn 是要合并一下主分支的代码吗 第一次给这个仓库提pr，不太清楚流程，不好意思😂 |
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@l123wx 嗯 不过上面已经通过机器人已经更新好了 |
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/update-common |
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🤔 这个 PR 的性质是？
🔗 相关 Issue
#3076
💡 需求背景和解决方案
由于 Form 没有维护 formData 来管理表单的数据，而是直接使用 FormItem 中的 state 来记录，所以对于动态条件渲染的组件，如果使用 setFieldsValue 同时设置：1. 涉及判断条件的 fieldValue，2. 暂未渲染出来的 formItem 的值，结果跟用户的预期不一致。
所以在 Form 中创建了一个 游离值 formData，来记录这种临时的值。因为这类值预期是要被设置到对应组件上的，但是由于组件还没渲染，它们还没找到自己的归属，所以把它们叫做游离值（floatingFormData）哈哈
当使用 setFieldsValue 设置值时，会判断设置值对应的 FormItem 组件存不存在，如果不存在，就会把值记录到 FormItem 组件中。如果 组件不存在，但是游离值中已经有这个值了，会更新这个游离值。
当组件渲染时，会判断是否存在游离值，如果存在，则设置为组件的 initialData，优先级最高。当游离值被使用过后，会从游离
formData 中删除。
📝 更新日志
fix(Form): 修复了动态渲染表单无法使用 setFieldsValue 预设数据的问题
本条 PR 不需要纳入 Changelog
☑️ 请求合并前的自查清单