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???????Java????????????

import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.UnsupportedEncodingException;import java.net.HttpURLConnection;import java.net.URL;import java.net.URLEncoder;import ai.nlp.jiekou.test.ChangLiangZi;public class ApiTest {    private static String opUrl(String urlStr) {        try {            URL url = new URL(urlStr);            HttpURLConnection conn = (HttpURLConnection) url.openConnection();            conn.setReadTimeout(5 * 10000);            conn.setConnectTimeout(5 * 10000);            conn.setRequestMethod("POST");                        if (conn.getResponseCode() == 200) {                InputStream is = conn.getInputStream();                ByteArrayOutputStream baos = new ByteArrayOutputStream();                byte[] buf = new byte[128];                int len = -1;                                while ((len = is.read(buf)) != -1) {                    baos.write(buf, 0, len);                }                baos.flush();                return baos.toString();            } else {                throw new Exception("????????");            }        } catch (Exception e) {            e.printStackTrace();        } finally {            try {                if (is != null) {                    is.close();                }                try {                    if (baos != null) {                        baos.close();                    }                } catch (IOException e) {                    e.printStackTrace();                }                conn.disconnect();            } catch (IOException e) {                e.printStackTrace();            }        }        return ChangLiangZi.WU;    }    public static void main(String[] args) {        String msg = "??????";        String apikey = "UTNJK34THXK010T566ZI39VES50BLRBE8R66H5R3FOAO84J3BV";        String ip = "127.0.0.1";        try {            msg = URLEncoder.encode(msg, "GBK");            System.out.println(opUrl("http://a239p06512.zicp.vip/Web/BuAppJava.bujqrex?apikey=" + apikey + "&msg=" + msg + "&ip=" + ip));        } catch (UnsupportedEncodingException e) {            e.printStackTrace();        }    }}

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