表格组件中，增加列树形控件功能

[liguohuanb]

表格组件中，增加列树形控件功能，类似行树形控件功能；在列很多时，方便列分组隐藏于展开，显示重点列；
类似于excel表中的列分组和行分组
在列比较多时，比较有用

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Title: In the table component, add column tree control function

In the table component, the column tree control function is added, similar to the row tree control function; when there are many columns, it is convenient for column grouping to be hidden in the expansion to display key columns;
Similar to column grouping and row grouping in excel tables
When there are many columns, it is more useful