https://blog.csdn.net/bushijieinside/article/details/12314923
https://segmentfault.com/a/1190000012056247?utm_source=tag-newest
方式一：RestTemplate
参考链接：https://www.jianshu.com/p/27a82c494413
public static String RestTemplate(String url, byte[] bytes, HttpMethod method,MediaType contentType,String userName,String password) {
String ret = "";
CloseableHttpClient httpClient = null;
try {
RestTemplate restTemplate = new RestTemplate();
//---------------------设置User credentials用户凭证---------
//由于需要使用Cookie认证，则请求时使用用户凭证代替Cookie认证
CredentialsProvider credsProvider = new BasicCredentialsProvider();
UsernamePasswordCredentials creds = new UsernamePasswordCredentials(userName,password);
credsProvider.setCredentials(AuthScope.ANY, creds);
httpClient = HttpClients.custom().setDefaultCredentialsProvider(credsProvider).build();
HttpComponentsClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory(httpClient);
restTemplate.setRequestFactory(requestFactory);
//-------------------------------------------------------
HttpHeaders headers = new HttpHeaders();
if (contentType != null){
headers.setContentType(contentType);
}
org.springframework.http.HttpEntity<byte[]> entity = new org.springframework.http.HttpEntity<>(bytes,headers);
//提交
ResponseEntity<String> responseEntity = restTemplate.exchange(url,method,entity, String.class);
ret = responseEntity.getBody();
} catch (Exception e) {
logger.error("RestTemplate error:"+e.toString());
}finally {
try {
if (httpClient != null){
httpClient.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return ret;
}
方式二：HttpClientRequest
参考链接：https://blog.csdn.net/YouCanYouUp_/article/details/80769572
https://blog.csdn.net/justry_deng/article/details/81042379
https://www.iteye.com/blog/rensanning-1550436
public static String HttpClientRequest(String url,byte[] bytes,HttpMethod method,MediaType contentType,String userName,String password){
String ret = "";
CredentialsProvider credsProvider = new BasicCredentialsProvider();
UsernamePasswordCredentials creds = new UsernamePasswordCredentials(userName,password);
credsProvider.setCredentials(AuthScope.ANY, creds);
CloseableHttpClient httpClient = HttpClients.custom().setDefaultCredentialsProvider(credsProvider).build();
CloseableHttpResponse response = null;
try {
if (method == HttpMethod.GET ){
//创建Get方法
HttpGet httpGet = new HttpGet(url);
httpGet.addHeader("Content-Type",contentType.toString());
//执行请求
response = httpClient.execute(httpGet);
//获取响应的实体对象
HttpEntity entity = response.getEntity();
ret = EntityUtils.toString(entity,"UTF-8");
EntityUtils.consume(entity);
httpGet.releaseConnection();
}else if(method == HttpMethod.POST){
//创建Post方法
HttpPost httpPost = new HttpPost(url);
httpPost.addHeader("Content-Type",contentType.toString());
HttpEntity entity = new ByteArrayEntity(bytes);
httpPost.setEntity(entity);
//执行请求
response = httpClient.execute(httpPost);
//获取响应的实体对象
entity = response.getEntity();
ret = EntityUtils.toString(entity,"UTF-8");
EntityUtils.consume(entity);
httpPost.releaseConnection();
}else if(method == HttpMethod.DELETE){
HttpDelete httpDelete = new HttpDelete(url);
httpDelete.addHeader("Content-Type",contentType.toString());
//执行请求
response = httpClient.execute(httpDelete);
//获取响应的实体对象
HttpEntity entity = response.getEntity();
ret = EntityUtils.toString(entity,"UTF-8");
EntityUtils.consume(entity);
httpDelete.releaseConnection();
}else if(method == HttpMethod.PUT){
HttpPut httpPut = new HttpPut(url);
httpPut.addHeader("Content-Type",contentType.toString());
ByteArrayEntity entity = new ByteArrayEntity(bytes);
httpPut.setEntity(entity);
//执行请求
response = httpClient.execute(httpPut);
int code = response.getStatusLine().getStatusCode();
//获取响应的实体对象
HttpEntity httpEntity = response.getEntity();
ret = EntityUtils.toString(httpEntity,"UTF-8");
EntityUtils.consume(httpEntity);
httpPut.releaseConnection();
}
} catch (IOException e) {
logger.error("HttpClientRequest is error:"+e.toString());
} finally {
try {
// 释放连接
if (response != null) {
response.close();
}
if (httpClient != null){
httpClient.close();
}
} catch (Exception e) {
logger.error("close is error:"+e.toString());
}
}
return ret;
}
如果设置用户名和密码后仍返回401，则还需要设置realm 和 nonce 代理认证
public static String HttpClientRequest_UploadFile(String url, byte[] bytes, HttpMethod method, MediaType contentType, String userName, String password, String ip, Header[] headers,Integer count){
Boolean isFirst = true;
String ret = "";
CloseableHttpClient httpClient = HttpClientBuilder.create().build();
CloseableHttpResponse response = null;
try {
if(method == HttpMethod.PUT){
HttpPut httpPut = new HttpPut(url);
httpPut.addHeader("Content-Type",contentType.toString());
if (headers.length > 0){
for (int i=0;i<headers.length;i++) {
if (headers[i].getName().equals("WWW-Authenticate")){
ByteArrayEntity entity = new ByteArrayEntity(bytes);
httpPut.setEntity(entity);
CredentialsProvider credsProvider = new BasicCredentialsProvider();
UsernamePasswordCredentials creds = new UsernamePasswordCredentials(userName,password);
credsProvider.setCredentials(AuthScope.ANY, creds);
String realm = "";
String nonce = "";
HeaderElement[] headerElements = headers[i].getElements();
if (headerElements.length > 0){
for (HeaderElement element : headerElements){
if (element.getName().equals("Digest realm")){
realm = element.getValue();
}else if(element.getName().equals("nonce")){
nonce = element.getValue();
}
}
}
DigestScheme digestAuth = new DigestScheme();
digestAuth.overrideParamter("realm", realm);
digestAuth.overrideParamter("nonce", nonce);
HttpHost targetHost3 = new HttpHost(ip, 80, "http");
AuthCache authCache3 = new BasicAuthCache();
authCache3.put(targetHost3, digestAuth);
BasicHttpContext localcontext3 = new BasicHttpContext();
localcontext3.setAttribute(ClientContext.AUTH_CACHE, authCache3);
httpClient = HttpClients.custom().setDefaultCredentialsProvider(credsProvider).build();
//执行请求
response = httpClient.execute(httpPut,localcontext3);
/*//获取响应的实体对象
HttpEntity httpEntity = response.getEntity();
ret = EntityUtils.toString(httpEntity,"UTF-8");
EntityUtils.consume(httpEntity);*/
isFirst = false;
}else {
httpPut.addHeader(headers[i]);
}
}
}
if (isFirst){
//执行请求
response = httpClient.execute(httpPut);
}
int code = response.getStatusLine().getStatusCode();
if (code == 401 && count < 3) {
count++;
//如果请求为401，则设置Authorization
Header[] authenticate = response.getHeaders("WWW-Authenticate");
ret = HttpClientRequest_UploadFile(url, bytes, method, contentType, userName, password, ip, authenticate,count);
}else {
//获取响应的实体对象
HttpEntity httpEntity = response.getEntity();
ret = EntityUtils.toString(httpEntity,"UTF-8");
EntityUtils.consume(httpEntity);
}
httpPut.releaseConnection();
}
} catch (IOException e) {
logger.error("HttpClientRequest_UploadFile is error:"+e.toString());
} finally {
try {
// 释放连接
if (response != null) {
response.close();
}
if (httpClient != null){
httpClient.close();
}
} catch (Exception e) {
logger.error(" close is error:"+e.toString());
}
}
return ret;
}