您可以使用getpath函数.使用paths标识通向.comments的所有路径并获取路径的值

You can use the getpath function. Use paths to identify all the paths leading upto .comments and get the paths' value

jq '[ getpath ( paths | select( .[-1] == "comments" ) ) ]'

或者使用递归下降来过滤包含.comments的对象并获取其值

Or use a recursive descent to filter objects containing .comments and get its value

jq '[ recurse | select(has("comments")?).comments ]'