Support PrefixNameContext in Form

What problem does this feature solve?

业务中使用Form组件开发大型表单。比如用来创建K8s资源对象（Application等）有大量字段和多层嵌套层级。比如： application.container.lifecycle.postStart.exec.command application.container.lifecycle.preStop.exec.command application.container.metadata.annotations.lbcinstance application.container.metadata.annotations.bound …

手动配置每个Form.Item的name字段会有大量重复的prefix，比如： ['application', 'xxx1'], ['application', 'xxx2'], ['application', 'xxx3'] … （同一级最多可能10-20个字段）

What does the proposed API look like?

<PrefixContext.Provider value={["application", "container"]}>
  <PrefixContext.Provider value={["lifecycle"]}>
    <Form.Item name="postStart">
    {/* 实际name：["application", "container", "lifecycle", "postStart" ] */}
    </Form.Item>
    <Form.Item name="preStop">
    {/* 实际name：["application", "container", "lifecycle", "preStop" ] */}
    </Form.Item>
  </PrefixContext.Provider>
  <PrefixContext.Provider value={["metadata", "annotations"]}>
    <Form.Item name="lbcinstance">
    {/* 实际name：["application", "container", "metadata", "annotations", "lbcinstance" ] */}
    </Form.Item>
    <Form.Item name="bound">
    {/* 实际name：["application", "container", "metadata", "annotations", "bound" ] */}
    </Form.Item>
  </PrefixContext.Provider>
</PrefixContext.Provider>

[Wxh16144]

mark，我在想这个功能是不是业务同学实现 Context 比较好 ，而非组件库去做

[zombieJ]

这个就是你上面的例子，Context 搞两条路径，一个存要传导的，一个存全量的。只要分割清楚就好了哈~