target-php how to jump to a frame in a page in a controller

Like the target property of the a tag, jumps to the foreground frame in PHP in the background.
My side is two frame frame, the frame above is the search box, the following frame is the data display page,
I think after I click on the Search button above, the corresponding processing in the background and then display the results into the frame below.

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Like the target property of the a tag, jumps to the foreground frame in PHP in the background.
My side is two frame frame, the frame above is the search box, the following frame is the data display page,
I think after I click on the Search button above, the corresponding processing in the background and then display the results into the frame below.

Dynamically modify the following frame src properties for your search connection (similar to http://domain.com/search.php?key=搜索关键字 this)

Shouldn't this be Ajax?

The form tag has the target property, which is not related to PHP

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