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public class UriTest {

    public static void main(String[] args) throws Exception{
        String urlString = "http://192.168.21.77:8080/swp/mainPage?aa=11&bb%3D22";
        URI uri = URI.create(urlString);
        System.out.println(uri.getHost());    //  192.168.21.77:8080
        System.out.println(uri.getScheme());  // http
        System.out.println(uri.getPath());   ///swp/mainPage
        System.out.println(uri.getQuery());//解码    aa=11&bb=22
        URL url2 = new URL(urlString);
        System.out.println(url2.getQuery());//不解码  aa=11&bb%3D22

    }

}

 

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