java httpClient Digest Auth 认证

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java httpClient Digest Auth 认证
因为项目需要,请求海康摄像头,进行抓图以及云台控制等功能, 海康有http协议,但是需要进行请求头认证,因为海康给的资料已经过时,所以找了很久

1.先上postMan测试通过

2.httpClient代码 - 发送普通的请求

DefaultHttpClient httpclient = new DefaultHttpClient();
String hostUrl = "http://172.16.1.11";
// 抓图
//        String url = hostUrl + "/ISAPI/Streaming/channels/1/picture";
// 获取焦距
String url = hostUrl + "/ISAPI/PTZCtrl/channels/1/absoluteEx/capabilities";
// 172.16.1.11/ISAPI/PTZCtrl/channels/1/capabilities
URI serverURI = new URI(url);
HttpGet httpGet = new HttpGet(url);
String username = "admin";
String password = "abcd1234";
Credentials creds = new UsernamePasswordCredentials(username,password);
httpclient.getCredentialsProvider().setCredentials(new AuthScope(serverURI.getHost(), serverURI.getPort()), (Credentials) creds);HttpResponse response = httpclient.execute(httpGet);String resultString = EntityUtils.toString(response.getEntity(), "utf-8");JSONObject object = Xml2Json.xml2Json(resultString);
System.out.println(object);

3.httpClient 下载图片

// 抓图public static void download(String url, String filePathName) throws URISyntaxException {DefaultHttpClient httpclient = new DefaultHttpClient();URI serverURI = new URI(url);String username = "admin";String password = "abcd1234";Credentials creds = new UsernamePasswordCredentials(username,password);httpclient.getCredentialsProvider().setCredentials(new AuthScope(serverURI.getHost(), serverURI.getPort()), (Credentials) creds);try {HttpGet httpget = new HttpGet(url);//伪装成google的爬虫JAVA问题查询httpget.setHeader("User-Agent", "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)");// Execute HTTP requestSystem.out.println("executing request " + httpget.getURI());HttpResponse response = httpclient.execute(httpget);File storeFile = new File(filePathName);FileOutputStream output = new FileOutputStream(storeFile);// 得到网络资源的字节数组,并写入文件HttpEntity entity = response.getEntity();if (entity != null) {InputStream instream = entity.getContent();try {byte b[] = new byte[1024];int j = 0;while ((j = instream.read(b)) != -1) {output.write(b, 0, j);}output.flush();output.close();} catch (IOException ex) {throw ex;} catch (RuntimeException ex) {httpget.abort();throw ex;} finally {try {instream.close();} catch (Exception ignore) {}}}} catch (Exception e) {
//            logger.error(e.getMessage(), e);} finally {httpclient.getConnectionManager().shutdown();}}

4.核心代码,设置请求认证

 DefaultHttpClient httpclient = new DefaultHttpClient();URI serverURI = new URI(url);String username = "admin";String password = "abcd1234";Credentials creds = new UsernamePasswordCredentials(username,password);httpclient.getCredentialsProvider().setCredentials(new AuthScope(serverURI.getHost(), serverURI.getPort()), (Credentials) creds);

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java httpClient Digest Auth 认证

1.先上postMan测试通过

2.httpClient代码 - 发送普通的请求

3.httpClient 下载图片

4.核心代码,设置请求认证

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