java httpclient 返回xml_通过httpClient通过post向接口发送xml数据，并处理返回的xml报文...

//maven依赖

org.apache.httpcomponents

httpclient

4.5.6

importjava.io.IOException;importjava.net.URI;importjava.security.cert.CertificateException;importjava.security.cert.X509Certificate;importjava.util.ArrayList;importjava.util.HashMap;importjava.util.List;importjava.util.Map;//import org.apache.commons.collections.MapUtils;

importorg.apache.http.Consts;importorg.apache.http.HeaderIterator;importorg.apache.http.HttpEntity;importorg.apache.http.HttpResponse;importorg.apache.http.HttpStatus;importorg.apache.http.NameValuePair;importorg.apache.http.ParseException;importorg.apache.http.client.entity.UrlEncodedFormEntity;importorg.apache.http.client.methods.CloseableHttpResponse;importorg.apache.http.client.methods.HttpGet;importorg.apache.http.client.methods.HttpPost;importorg.apache.http.client.utils.URIBuilder;importorg.apache.http.config.Registry;importorg.apache.http.config.RegistryBuilder;importorg.apache.http.conn.socket.ConnectionSocketFactory;importorg.apache.http.conn.socket.PlainConnectionSocketFactory;importorg.apache.http.conn.ssl.NoopHostnameVerifier;importorg.apache.http.conn.ssl.SSLConnectionSocketFactory;importorg.apache.http.conn.ssl.TrustStrategy;importorg.apache.http.entity.ContentType;importorg.apache.http.entity.StringEntity;importorg.apache.http.impl.client.CloseableHttpClient;importorg.apache.http.impl.client.HttpClients;importorg.apache.http.impl.conn.PoolingHttpClientConnectionManager;importorg.apache.http.message.BasicNameValuePair;importorg.apache.http.ssl.SSLContextBuilder;importorg.apache.http.util.EntityUtils;/***

* @ClassName: HttpsUtils

* @Description: TODO(https post忽略证书请求)*/

public classHttpClientUtils {private static final String HTTP = "http";private static final String HTTPS = "https";private static SSLConnectionSocketFactory sslsf = null;private static PoolingHttpClientConnectionManager cm = null;private static SSLContextBuilder builder = null;static{try{

builder= newSSLContextBuilder();//全部信任不做身份鉴定

builder.loadTrustMaterial(null, newTrustStrategy() {

@Overridepublic boolean isTrusted(X509Certificate[] x509Certificates, String s) throwsCertificateException {return true;

}

});

sslsf= newSSLConnectionSocketFactory(builder.build(),new String[]{"SSLv2Hello", "SSLv3", "TLSv1", "TLSv1.2"}, null, NoopHostnameVerifier.INSTANCE);

Registry registry = RegistryBuilder.create()

.register(HTTP,newPlainConnectionSocketFactory()).register(HTTPS, sslsf).build();

cm= newPoolingHttpClientConnectionManager(registry);

cm.setMaxTotal(200);//max connection

} catch(Exception e) {

e.printStackTrace();

}

}//public static String post(String url, Map header, Map param, StringEntity entity)//throws Exception {//String result = "";//CloseableHttpClient httpClient = null;//try {//httpClient = getHttpClient();// //HttpGet httpPost = new HttpGet(url);//get请求//HttpPost httpPost = new HttpPost(url);//Post请求// //设置头信息//if (MapUtils.isNotEmpty(header)) {//for (Map.Entry entry : header.entrySet()) {//httpPost.addHeader(entry.getKey(), entry.getValue());//}//}// //设置请求参数//if (MapUtils.isNotEmpty(param)) {//List formparams = new ArrayList();//for (Map.Entry entry : param.entrySet()) {// //给参数赋值//formparams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));//}//UrlEncodedFormEntity urlEncodedFormEntity = new UrlEncodedFormEntity(formparams, Consts.UTF_8);//httpPost.setEntity(urlEncodedFormEntity);//}// //设置实体优先级高//if (entity != null) {//httpPost.addHeader("Content-Type", "text/xml");//httpPost.setEntity(entity);//}//HttpResponse httpResponse = httpClient.execute(httpPost);//int statusCode = httpResponse.getStatusLine().getStatusCode();//System.out.println("状态码：" + statusCode);//if (statusCode == HttpStatus.SC_OK) {//HttpEntity resEntity = httpResponse.getEntity();//result = EntityUtils.toString(resEntity);//} else {//readHttpResponse(httpResponse);//}//} catch (Exception e) {//throw e;//} finally {//if (httpClient != null) {//httpClient.close();//}//}//return result;//}

public staticString postXML(String url,String xml){

CloseableHttpClient client= null;

CloseableHttpResponse resp= null;try{

HttpPost httpPost= newHttpPost(url);

httpPost.setHeader("Content-Type", "text/xml; charset=UTF-8");

client=HttpClients.createDefault();

StringEntity entityParams= new StringEntity(xml,"utf-8");

httpPost.setEntity(entityParams);

client=HttpClients.createDefault();

resp=client.execute(httpPost);

String resultMsg= EntityUtils.toString(resp.getEntity(),"utf-8");returnresultMsg;

}catch(Exception e){

e.printStackTrace();

}finally{try{if(client!=null){

client.close();

}if(resp != null){

resp.close();

}

}catch(IOException e) {

e.printStackTrace();

}

}return null;

}public static CloseableHttpClient getHttpClient() throwsException {

CloseableHttpClient httpClient=HttpClients.custom().setSSLSocketFactory(sslsf).setConnectionManager(cm)

.setConnectionManagerShared(true).build();returnhttpClient;

}public static String readHttpResponse(HttpResponse httpResponse) throwsParseException, IOException {

StringBuilder builder= newStringBuilder();//获取响应消息实体

HttpEntity entity =httpResponse.getEntity();//响应状态

builder.append("status:" +httpResponse.getStatusLine());

builder.append("headers:");

HeaderIterator iterator=httpResponse.headerIterator();while(iterator.hasNext()) {

builder.append("\t" +iterator.next());

}//判断响应实体是否为空

if (entity != null) {

String responseString=EntityUtils.toString(entity);

builder.append("response length:" +responseString.length());

builder.append("response content:" + responseString.replace("\r\n", ""));

}returnbuilder.toString();

}/*** get发送数据

*@paramurl

*@paramparam

*@return

public static String doGet(String url, Mapparam) {//创建Httpclient对象

CloseableHttpClient httpclient =HttpClients.createDefault();

String resultString= "";

CloseableHttpResponse response= null;try{//创建uri

URIBuilder builder = newURIBuilder(url);if (param != null) {for(String key : param.keySet()) {

builder.addParameter(key, param.get(key));

}

URI uri=builder.build();//创建http GET请求

HttpGet httpGet = newHttpGet(uri);//执行请求

response =httpclient.execute(httpGet);//判断返回状态是否为200

if (response.getStatusLine().getStatusCode() == 200) {

resultString= EntityUtils.toString(response.getEntity(), "UTF-8");

}

}catch(Exception e) {

e.printStackTrace();

}finally{try{if (response != null) {

response.close();

}

httpclient.close();

}catch(IOException e) {

e.printStackTrace();

}

}returnresultString;

}/*** get发送数据

*@paramurl

*@return

public staticString doGet(String url) {return doGet(url, null);

}/*** post发送数据

*@paramurl

*@paramparam

*@return

public static String doPost(String url, Mapparam) {//创建Httpclient对象

CloseableHttpClient httpClient =HttpClients.createDefault();

CloseableHttpResponse response= null;

String resultString= "";try{//创建Http Post请求

HttpPost httpPost = newHttpPost(url);//创建参数列表

if (param != null) {

List paramList = new ArrayList<>();for(String key : param.keySet()) {

paramList.add(newBasicNameValuePair(key, param.get(key)));

}//模拟表单

UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList,"utf-8");

httpPost.setEntity(entity);

}//执行http请求

response =httpClient.execute(httpPost);

resultString= EntityUtils.toString(response.getEntity(), "utf-8");

}catch(Exception e) {

e.printStackTrace();

}finally{try{

response.close();

}catch(IOException e) {//TODO Auto-generated catch block

e.printStackTrace();

}

}returnresultString;

}/*** post发送数据

*@paramurl

*@return

public staticString doPost(String url) {return doPost(url, null);

}/*** post发送json形式的数据

*@paramurl

*@paramjson

*@return

public staticString doPostJson(String url, String json) {//创建Httpclient对象

CloseableHttpClient httpClient =HttpClients.createDefault();

CloseableHttpResponse response= null;

String resultString= "";try{//创建Http Post请求

HttpPost httpPost = newHttpPost(url);//创建请求内容

StringEntity entity = newStringEntity(json, ContentType.APPLICATION_JSON);

httpPost.setEntity(entity);//执行http请求

response =httpClient.execute(httpPost);

resultString= EntityUtils.toString(response.getEntity(), "utf-8");

}catch(Exception e) {

e.printStackTrace();

}finally{try{

response.close();

}catch(IOException e) {//TODO Auto-generated catch block

e.printStackTrace();

}

}returnresultString;

}

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