javascript - thinkphp parameter is how to pass url

The parameter of my function is passed in a url address. How should I write the U command on the front end? I can’t write well

Modified

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The parameter of my function is passed in a url address. How should I write the U command on the front end? I can’t write well

Modified

<code><a href="{:U('Index/downfile',array('fileurl'=>'./Public/css/style.css'))}">下载</a></code>

downfile code

<code>\Org\Net\Http::download($fileurl);</code>

<code>U('XXX/downfile', array('fileurl'=>'www.baidu.com'))
</code>

U method can write links with parameters like this