How does the javascript-thinkphp parameter pass the url?

The parameter of my function is a url address. how can I write the front-end U command? I can't write it. I modified it.

The parameter of my function is a url address. how can I write the front-end U command? I cannot write it.

Modified

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The parameter of my function is a url address. how can I write the front-end U command? I cannot write it.

Modified

'./Public/css/style.css')} "> Download

Downfile code

\ Org \ Net \ Http: download ($ fileurl );

U ('XXX/downfile', array ('fileurl' => 'Www .baidu.com '))

The U method can write the link with parameters in this way.