Table tree problem

[Jerry-bbq]

• I have searched the issues of this repository and believe that this is not a duplicate.

Version

1.7.3

Environment

web

Reproduction link

https://www.antdv.com/components/table-cn/#components-table-demo-tree-data

Steps to reproduce

表格属性数据展示

What is expected?

期望以下问题能够快速解决

What is actually happening?

1.7.5版本 树形表格的问题：

1. 树的展开/收起符号不能切换，目前只有收起的符号
2. 表头分组，使用bordered属性时，第一级缺少下划线
3. 树的部分不支持fixed的定位

[github-actions]

Hello @luguanrui. Please provide a online reproduction by forking this link for vue2、 link for vue3 or a minimal GitHub repository. Make sure to choose the correct version.

你好 @luguanrui, 我们需要你提供一个在线的重现实例以便于我们帮你排查问题。你可以通过点击 此处 for vue2、 此处 for vue3 创建一个 codesandbox 或者提供一个最小化的 GitHub 仓库。请确保选择准确的版本。

[tangjinzhou]

#4271

[github-actions]

Since the issue was labeled with Need Reproduce, but no response in 7 days. This issue will be closed. If you have any questions, you can comment and reply.

由于该 issue 被标记为需要复现信息，却 7 天未收到回应。现关闭 issue，若有任何问题，可评论回复。

[github-actions]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.