HttpClient工具类(包含请求头header设置token)
import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.EOFException; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.URI; import java.net.URL; import java.net.URLConnection; import java.security.KeyManagementException; import java.security.NoSuchAlgorithmException; import java.security.cert.CertificateException; import java.security.cert.X509Certificate; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; import javax.net.ssl.SSLContext; import javax.net.ssl.SSLException; import javax.net.ssl.SSLSession; import javax.net.ssl.SSLSocket; import javax.net.ssl.TrustManager; import javax.net.ssl.X509TrustManager; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.http.Consts; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; import org.apache.http.NameValuePair; import org.apache.http.ParseException; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.config.RequestConfig; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.methods.RequestBuilder; import org.apache.http.client.utils.URIBuilder; import org.apache.http.client.utils.URLEncodedUtils; import org.apache.http.conn.scheme.Scheme; import org.apache.http.conn.ssl.SSLSocketFactory; import org.apache.http.conn.ssl.X509HostnameVerifier; import org.apache.http.entity.ByteArrayEntity; import org.apache.http.entity.ContentType; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.message.BasicHeader; import org.apache.http.message.BasicNameValuePair; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpParams; import org.apache.http.protocol.HTTP; import org.apache.http.util.ByteArrayBuffer; import org.apache.http.util.EntityUtils; /** * 封装了一些采用HttpClient发送HTTP请求的方法 * * @see 本工具所采用的是最新的HttpComponents-Client-4.2.1 */ public class HttpClientUtils { private static Log logger = LogFactory.getLog(HttpClientUtils.class); /** * 设置请求头和参数 post提交 * * @param urlStr * 地址 * @param headMap * 请求头 * @param paramMap * 内容参数 * @return */ public static String connectPost(String urlStr, Map<String, String> headMap, Map<String, String> paramMap) { logger.info("========设置请求头和参数并以 post提交======="); URL url; String sCurrentLine = ""; String sTotalString = ""; DataOutputStream out = null; try { url = new URL(urlStr); logger.info("请求地址:" + urlStr); URLConnection URLconnection = url.openConnection(); HttpURLConnection httpConnection = (HttpURLConnection) URLconnection; // httpConnection.setRequestProperty("Content-type", "application/json"); httpConnection.setRequestProperty("Accept-Charset", "utf-8"); httpConnection.setRequestProperty("contentType", "utf-8"); if (headMap != null && !headMap.isEmpty()) { for (String key : headMap.keySet()) { logger.info("头部信息key:" + key + "===值: " + headMap.get(key)); httpConnection.setRequestProperty(key, headMap.get(key)); } } httpConnection.setRequestMethod("POST"); httpConnection.setDoOutput(true); httpConnection.setDoInput(true); StringBuffer params = new StringBuffer(); // 表单参数与get形式一样 if (paramMap != null && !paramMap.isEmpty()) { for (String key : paramMap.keySet()) { if (params.length() > 1) { params.append("&"); } params.append(key).append("=").append(paramMap.get(key).trim()); } logger.info("请求参数: " + params.toString()); } //System.out.println("params = " + params.toString()); out = new DataOutputStream(httpConnection.getOutputStream()); // 发送请求参数 if (params!=null) { out.writeBytes(params.toString()); } // flush输出流的缓冲 out.flush(); // int responseCode = httpConnection.getResponseCode(); // if (responseCode == HttpURLConnection.HTTP_OK) { InputStream urlStream = httpConnection.getInputStream(); BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(urlStream)); while ((sCurrentLine = bufferedReader.readLine()) != null) { sTotalString += sCurrentLine; } // //System.out.println(sTotalString); // 假设该url页面输出为"OK" // }else{ // System.err.println("FIAL"); // } } catch (Exception e) { logger.info("请求错误: " + e.getMessage()); logger.error("系统错误:",e); } finally { } logger.info("响应信息: " + sTotalString); return sTotalString; } public static void test() throws Exception{ String url = "http://******/api/hdfs/proxy/create?username=******&password=*****&uri=/test/test-xx.txt"; byte[] bytes = "1".getBytes(); HttpClient client = HttpClients.createDefault(); RequestBuilder requestBuilder = RequestBuilder.post(); requestBuilder.setEntity(new ByteArrayEntity(bytes)); requestBuilder.setUri(url); HttpResponse response = client.execute(requestBuilder.build()); HttpEntity entity = response.getEntity(); //获得响应流 InputStream is = entity.getContent(); //读取流中内容 ByteArrayBuffer buffer = new ByteArrayBuffer(4096); byte[] tmp = new byte[4096]; int count; try { while ((count = is.read(tmp)) != -1) { buffer.append(tmp, 0, count); } } catch (EOFException e) { logger.error("系统错误:",e); } //System.out.println(new String(buffer.toByteArray())); } /** * Http Get方法 * * @param url * @param param * @return */ public static String doGet(String url, Map<String, String> param) { // 创建Httpclient对象 CloseableHttpClient httpclient = HttpClients.createDefault(); String resultString = ""; CloseableHttpResponse response = null; try { // 创建uri URIBuilder builder = new URIBuilder(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 = new HttpGet(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) { logger.error("系统错误:",e); } finally { try { if (response != null) { response.close(); } httpclient.close(); } catch (IOException e) { logger.error("系统错误:",e); } } return resultString; } /** * Http Get方法 * * @param url * @param param * @return */ public static String doGet(String url,Map<String, String> headMap,Map<String, String> param) { // 创建Httpclient对象 CloseableHttpClient httpclient = HttpClients.createDefault(); String resultString = ""; CloseableHttpResponse response = null; try { // 创建uri URIBuilder builder = new URIBuilder(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 = new HttpGet(uri); if (headMap != null && !headMap.isEmpty()) { for (String key : headMap.keySet()) { logger.info("头部信息key:" + key + "===值: " + headMap.get(key)); httpGet.addHeader(key, headMap.get(key)); } } // 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) { logger.error("系统错误:",e); } finally { try { if (response != null) { response.close(); } httpclient.close(); } catch (IOException e) { logger.error("系统错误:",e); } } return resultString; } public static String doGet(String url) { return doGet(url, null); } /** * httpclient post方法 * * @param url * @param param * @return */ public static String doPost(String url,Map<String, String> headers,Map<String, String> param) { // 创建Httpclient对象 CloseableHttpClient httpClient = HttpClients.createDefault(); CloseableHttpResponse response = null; String resultString = ""; try { // 创建Http Post请求 HttpPost httpPost = new HttpPost(url); if(headers != null) { for (String key : headers.keySet()) { httpPost.setHeader(key, headers.get(key)); } } // 创建参数列表 if (param != null) { List<NameValuePair> paramList = new ArrayList<>(); for (String key : param.keySet()) { paramList.add(new BasicNameValuePair(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) { logger.error("系统错误:",e); } finally { try { if (response!=null) { response.close(); } } catch (IOException e) { logger.error("系统错误:",e); } } return resultString; } public static String doPost(String url) { return doPost(url,null,null); } /** * 请求的参数类型为json * * @param url * @param json * @return {username:"",pass:""} */ public static String doPostJson(String url, String json) { logger.info("=====请求地址:"+url); // 创建Httpclient对象 CloseableHttpClient httpClient = HttpClients.createDefault(); CloseableHttpResponse response = null; String resultString = ""; try { // 创建Http Post请求 HttpPost httpPost = new HttpPost(url); // 创建请求内容 logger.info("=====请求参数:"+json); StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON); httpPost.setEntity(entity); // 执行http请求 response = httpClient.execute(httpPost); logger.info("=====响应参数:"+response); resultString = EntityUtils.toString(response.getEntity(), "utf-8"); } catch (Exception e) { logger.error("系统错误:",e); } finally { try { if (response!=null) { response.close(); } } catch (IOException e) { logger.error("系统错误:",e); } } return resultString; } /** * 发送HTTP_GET请求 * * @see 该方法会自动关闭连接,释放资源 * @param requestURL * 请求地址(含参数) * @param decodeCharset * 解码字符集,解析响应数据时用之,其为null时默认采用UTF-8解码 * @return 远程主机响应正文 */ public static String sendGetRequest(String reqURL, String decodeCharset) { long responseLength = 0; // 响应长度 String responseContent = null; // 响应内容 HttpClient httpClient = new DefaultHttpClient(); // 创建默认的httpClient实例 HttpGet httpGet = new HttpGet(reqURL); // 创建org.apache.http.client.methods.HttpGet try { HttpResponse response = httpClient.execute(httpGet); // 执行GET请求 HttpEntity entity = response.getEntity(); // 获取响应实体 if (null != entity) { responseLength = entity.getContentLength(); responseContent = EntityUtils.toString(entity, decodeCharset == null ? "UTF-8" : decodeCharset); EntityUtils.consume(entity); // Consume response content } //System.out.println("请求地址: " + httpGet.getURI()); //System.out.println("响应状态: " + response.getStatusLine()); //System.out.println("响应长度: " + responseLength); //System.out.println("响应内容: " + responseContent); } catch (ClientProtocolException e) { logger.debug("该异常通常是协议错误导致,比如构造HttpGet对象时传入的协议不对(将'http'写成'htp')或者服务器端返回的内容不符合HTTP协议要求等,堆栈信息如下", e); } catch (ParseException e) { logger.debug(e.getMessage(), e); } catch (IOException e) { logger.debug("该异常通常是网络原因引起的,如HTTP服务器未启动等,堆栈信息如下", e); } finally { httpClient.getConnectionManager().shutdown(); // 关闭连接,释放资源 } return responseContent; } /** * 发送HTTP_POST请求 * * @see 该方法为<code>sendPostRequest(String,String,boolean,String,String)</code>的简化方法 * @see 该方法在对请求数据的编码和响应数据的解码时,所采用的字符集均为UTF-8 * @see 当<code>isEncoder=true</code>时,其会自动对<code>sendData</code>中的[中文][|][ * ]等特殊字符进行<code>URLEncoder.encode(string,"UTF-8")</code> * @param isEncoder * 用于指明请求数据是否需要UTF-8编码,true为需要 */ public static String sendPostRequest(String reqURL, String sendData, boolean isEncoder) { return sendPostRequest(reqURL, sendData, isEncoder, null, null); } /** * 发送HTTP_POST请求 * * @see 该方法会自动关闭连接,释放资源 * @see 当<code>isEncoder=true</code>时,其会自动对<code>sendData</code>中的[中文][|][ * ]等特殊字符进行<code>URLEncoder.encode(string,encodeCharset)</code> * @param reqURL * 请求地址 * @param sendData * 请求参数,若有多个参数则应拼接成param11=value11&22=value22&33=value33的形式后,传入该参数中 * @param isEncoder * 请求数据是否需要encodeCharset编码,true为需要 * @param encodeCharset * 编码字符集,编码请求数据时用之,其为null时默认采用UTF-8解码 * @param decodeCharset * 解码字符集,解析响应数据时用之,其为null时默认采用UTF-8解码 * @return 远程主机响应正文 */ public static String sendPostRequest(String reqURL, String sendData, boolean isEncoder, String encodeCharset, String decodeCharset) { String responseContent = null; HttpClient httpClient = new DefaultHttpClient(); HttpPost httpPost = new HttpPost(reqURL); // httpPost.setHeader(HTTP.CONTENT_TYPE, "application/x-www-form-urlencoded; // charset=UTF-8"); httpPost.setHeader(HTTP.CONTENT_TYPE, "application/x-www-form-urlencoded"); try { if (isEncoder) { List<NameValuePair> formParams = new ArrayList<NameValuePair>(); for (String str : sendData.split("&")) { formParams.add(new BasicNameValuePair(str.substring(0, str.indexOf("=")), str.substring(str.indexOf("=") + 1))); } httpPost.setEntity(new StringEntity( URLEncodedUtils.format(formParams, encodeCharset == null ? "UTF-8" : encodeCharset))); } else { httpPost.setEntity(new StringEntity(sendData)); } HttpResponse response = httpClient.execute(httpPost); HttpEntity entity = response.getEntity(); if (null != entity) { responseContent = EntityUtils.toString(entity, decodeCharset == null ? "UTF-8" : decodeCharset); EntityUtils.consume(entity); } } catch (Exception e) { logger.debug("与[" + reqURL + "]通信过程中发生异常,堆栈信息如下", e); } finally { httpClient.getConnectionManager().shutdown(); } return responseContent; } /** * 发送HTTP_POST请求 * * @see 该方法会自动关闭连接,释放资源 * @see 该方法会自动对<code>params</code>中的[中文][|][ * ]等特殊字符进行<code>URLEncoder.encode(string,encodeCharset)</code> * @param reqURL * 请求地址 * @param params * 请求参数 * @param encodeCharset * 编码字符集,编码请求数据时用之,其为null时默认采用UTF-8解码 * @param decodeCharset * 解码字符集,解析响应数据时用之,其为null时默认采用UTF-8解码 * @return 远程主机响应正文 */ public static String sendPostRequest(String reqURL, Map<String, String> params, String encodeCharset, String decodeCharset) { String responseContent = null; HttpClient httpClient = new DefaultHttpClient(); HttpPost httpPost = new HttpPost(reqURL); List<NameValuePair> formParams = new ArrayList<NameValuePair>(); // 创建参数队列 for (Map.Entry<String, String> entry : params.entrySet()) { formParams.add(new BasicNameValuePair(entry.getKey(), entry.getValue())); } try { httpPost.setEntity(new UrlEncodedFormEntity(formParams, encodeCharset == null ? "UTF-8" : encodeCharset)); HttpResponse response = httpClient.execute(httpPost); HttpEntity entity = response.getEntity(); if (null != entity) { responseContent = EntityUtils.toString(entity, decodeCharset == null ? "UTF-8" : decodeCharset); EntityUtils.consume(entity); } } catch (Exception e) { logger.debug("与[" + reqURL + "]通信过程中发生异常,堆栈信息如下", e); } finally { httpClient.getConnectionManager().shutdown(); } return responseContent; } /** * 发送HTTPS_POST请求 * * @see 该方法为<code>sendPostSSLRequest(String,Map<String,String>,String,String)</code>方法的简化方法 * @see 该方法在对请求数据的编码和响应数据的解码时,所采用的字符集均为UTF-8 * @see 该方法会自动对<code>params</code>中的[中文][|][ * ]等特殊字符进行<code>URLEncoder.encode(string,"UTF-8")</code> */ public static String sendPostSSLRequest(String reqURL, Map<String, String> params) { return sendPostSSLRequest(reqURL, params, null, null); } /** * 发送HTTPS_POST请求 * * @see 该方法会自动关闭连接,释放资源 * @see 该方法会自动对<code>params</code>中的[中文][|][ * ]等特殊字符进行<code>URLEncoder.encode(string,encodeCharset)</code> * @param reqURL * 请求地址 * @param params * 请求参数 * @param encodeCharset * 编码字符集,编码请求数据时用之,其为null时默认采用UTF-8解码 * @param decodeCharset * 解码字符集,解析响应数据时用之,其为null时默认采用UTF-8解码 * @return 远程主机响应正文 */ public static String sendPostSSLRequest(String reqURL, Map<String, String> params, String encodeCharset, String decodeCharset) { String responseContent = ""; HttpClient httpClient = new DefaultHttpClient(); X509TrustManager xtm = new X509TrustManager() { public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException { } public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException { } public X509Certificate[] getAcceptedIssuers() { return null; } }; try { SSLContext ctx = SSLContext.getInstance("TLS"); ctx.init(null, new TrustManager[] { xtm }, null); SSLSocketFactory socketFactory = new SSLSocketFactory(ctx); httpClient.getConnectionManager().getSchemeRegistry().register(new Scheme("https", 443, socketFactory)); HttpPost httpPost = new HttpPost(reqURL); List<NameValuePair> formParams = new ArrayList<NameValuePair>(); for (Map.Entry<String, String> entry : params.entrySet()) { formParams.add(new BasicNameValuePair(entry.getKey(), entry.getValue())); } httpPost.setEntity(new UrlEncodedFormEntity(formParams, encodeCharset == null ? "UTF-8" : encodeCharset)); HttpResponse response = httpClient.execute(httpPost); HttpEntity entity = response.getEntity(); if (null != entity) { responseContent = EntityUtils.toString(entity, decodeCharset == null ? "UTF-8" : decodeCharset); EntityUtils.consume(entity); } } catch (Exception e) { logger.debug("与[" + reqURL + "]通信过程中发生异常,堆栈信息为", e); } finally { httpClient.getConnectionManager().shutdown(); } return responseContent; } /** * 发送HTTP_POST请求 * * @see 若发送的<code>params</code>中含有中文,记得按照双方约定的字符集将中文<code>URLEncoder.encode(string,encodeCharset)</code> * @see 本方法默认的连接超时时间为30秒,默认的读取超时时间为30秒 * @param reqURL * 请求地址 * @param params * 发送到远程主机的正文数据,其数据类型为<code>java.util.Map<String, String></code> * @return 远程主机响应正文`HTTP状态码,如<code>"SUCCESS`200"</code><br> * 若通信过程中发生异常则返回"Failed`HTTP状态码",如<code>"Failed`500"</code> */ public static String sendPostRequestByJava(String reqURL, Map<String, String> params) { StringBuilder sendData = new StringBuilder(); for (Map.Entry<String, String> entry : params.entrySet()) { sendData.append(entry.getKey()).append("=").append(entry.getValue()).append("&"); } if (sendData.length() > 0) { sendData.setLength(sendData.length() - 1); // 删除最后一个&符号 } return sendPostRequestByJava(reqURL, sendData.toString()); } /** * 发送HTTP_POST请求 * * @see 若发送的<code>sendData</code>中含有中文,记得按照双方约定的字符集将中文<code>URLEncoder.encode(string,encodeCharset)</code> * @see 本方法默认的连接超时时间为30秒,默认的读取超时时间为30秒 * @param reqURL * 请求地址 * @param sendData * 发送到远程主机的正文数据 * @return 远程主机响应正文`HTTP状态码,如<code>"SUCCESS`200"</code><br> * 若通信过程中发生异常则返回"Failed`HTTP状态码",如<code>"Failed`500"</code> */ public static String sendPostRequestByJava(String reqURL, String sendData) { HttpURLConnection httpURLConnection = null; OutputStream out = null; // 写 InputStream in = null; // 读 int httpStatusCode = 0; // 远程主机响应的HTTP状态码 try { URL sendUrl = new URL(reqURL); httpURLConnection = (HttpURLConnection) sendUrl.openConnection(); httpURLConnection.setRequestMethod("POST"); httpURLConnection.setDoOutput(true); // 指示应用程序要将数据写入URL连接,其值默认为false httpURLConnection.setUseCaches(false); httpURLConnection.setConnectTimeout(30000); // 30秒连接超时 httpURLConnection.setReadTimeout(30000); // 30秒读取超时 out = httpURLConnection.getOutputStream(); out.write(sendData.toString().getBytes()); // 清空缓冲区,发送数据 out.flush(); // 获取HTTP状态码 httpStatusCode = httpURLConnection.getResponseCode(); in = httpURLConnection.getInputStream(); byte[] byteDatas = new byte[in.available()]; in.read(byteDatas); return new String(byteDatas) + "`" + httpStatusCode; } catch (Exception e) { logger.debug(e.getMessage()); return "Failed`" + httpStatusCode; } finally { if (out != null) { try { out.close(); } catch (Exception e) { logger.debug("关闭输出流时发生异常,堆栈信息如下", e); } } if (in != null) { try { in.close(); } catch (Exception e) { logger.debug("关闭输入流时发生异常,堆栈信息如下", e); } } if (httpURLConnection != null) { httpURLConnection.disconnect(); httpURLConnection = null; } } } /** * https posp请求，可以绕过证书校验 * * @param url * @param params * @return */ public static final String sendHttpsRequestByPost(String url, Map<String, String> params) { String responseContent = null; HttpClient httpClient = new DefaultHttpClient(); // 创建TrustManager X509TrustManager xtm = new X509TrustManager() { public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException { } public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException { } public X509Certificate[] getAcceptedIssuers() { return null; } }; // 这个好像是HOST验证 X509HostnameVerifier hostnameVerifier = new X509HostnameVerifier() { public boolean verify(String arg0, SSLSession arg1) { return true; } public void verify(String arg0, SSLSocket arg1) throws IOException { } public void verify(String arg0, String[] arg1, String[] arg2) throws SSLException { } public void verify(String arg0, X509Certificate arg1) throws SSLException { } }; try { // TLS1.0与SSL3.0基本上没有太大的差别，可粗略理解为TLS是SSL的继承者，但它们使用的是相同的SSLContext SSLContext ctx = SSLContext.getInstance("TLS"); // 使用TrustManager来初始化该上下文，TrustManager只是被SSL的Socket所使用 ctx.init(null, new TrustManager[] { xtm }, null); // 创建SSLSocketFactory SSLSocketFactory socketFactory = new SSLSocketFactory(ctx); socketFactory.setHostnameVerifier(hostnameVerifier); // 通过SchemeRegistry将SSLSocketFactory注册到我们的HttpClient上 httpClient.getConnectionManager().getSchemeRegistry().register(new Scheme("https", socketFactory, 443)); HttpPost httpPost = new HttpPost(url); List<NameValuePair> formParams = new ArrayList<NameValuePair>(); // 构建POST请求的表单参数 for (Map.Entry<String, String> entry : params.entrySet()) { formParams.add(new BasicNameValuePair(entry.getKey(), entry.getValue())); } httpPost.setEntity(new UrlEncodedFormEntity(formParams, "UTF-8")); HttpResponse response = httpClient.execute(httpPost); HttpEntity entity = response.getEntity(); // 获取响应实体 if (entity != null) { responseContent = EntityUtils.toString(entity, "UTF-8"); } } catch (KeyManagementException e) { logger.error("系统错误:",e); } catch (NoSuchAlgorithmException e) { logger.error("系统错误:",e); } catch (UnsupportedEncodingException e) { logger.error("系统错误:",e); } catch (ClientProtocolException e) { logger.error("系统错误:",e); } catch (ParseException e) { logger.error("系统错误:",e); } catch (IOException e) { logger.error("系统错误:",e); } finally { // 关闭连接,释放资源 httpClient.getConnectionManager().shutdown(); } return responseContent; } /** * 发送HTTP_POST请求,json格式数据 * * @param url * @param body * @return * @throws Exception */ public static String sendPostByJson(String url, String body) throws Exception { CloseableHttpClient httpclient = HttpClients.custom().build(); HttpPost post = null; String resData = null; CloseableHttpResponse result = null; try { post = new HttpPost(url); HttpEntity entity2 = new StringEntity(body, Consts.UTF_8); post.setConfig(RequestConfig.custom().setConnectTimeout(30000).setSocketTimeout(30000).build()); post.setHeader("Content-Type", "application/json"); post.setHeader("Access-Token", "sund2f3bf3e7ecea902bcdb7027e9139a02"); post.setEntity(entity2); result = httpclient.execute(post); if (HttpStatus.SC_OK == result.getStatusLine().getStatusCode()) { resData = EntityUtils.toString(result.getEntity()); } } finally { if (result != null) { result.close(); } if (post != null) { post.releaseConnection(); } httpclient.close(); } return resData; } /** * HttpPost发送header,Content(json格式) * * @param url * @param json * @param headers * @return */ public static String post(String url, Map<String, String> headers, Map<String, String> jsonMap) { HttpClient client = new DefaultHttpClient(); HttpPost post = new HttpPost(url); logger.info("请求地址:" + url); // post.setHeader("Content-Type", "application/x-www-form-urlencoded"); logger.info("请求头信息:" + headers); if (headers != null) { Set<String> keys = headers.keySet(); for (Map.Entry<String, String> entrdy : headers.entrySet()) { post.addHeader(entrdy.getKey(), entrdy.getValue()); //System.out.println("headers:" + entrdy.getKey() + ",值" + entrdy.getValue()); } } String charset = null; try { StringEntity s = new StringEntity(jsonMap.toString(), "utf-8"); logger.info("请求json参数:" + jsonMap); // s.setContentEncoding(new BasicHeader(HTTP.CONTENT_TYPE, "application/json")); // s.setContentType("application/json"); // s.setContentType(new BasicHeader(HTTP.CONTENT_TYPE, "application/json")); post.setEntity(s); logger.info("请求实体数据:" + post); // HttpResponse res = client.execute(post); HttpResponse httpResponse = client.execute(post); InputStream inStream = httpResponse.getEntity().getContent(); BufferedReader reader = new BufferedReader(new InputStreamReader(inStream, "utf-8")); StringBuilder strber = new StringBuilder(); String line = null; while ((line = reader.readLine()) != null) strber.append(line + "\n"); inStream.close(); logger.info("MobilpriseActivity:" + strber); if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) { HttpEntity entity = httpResponse.getEntity(); charset = EntityUtils.getContentCharSet(entity); } } catch (Exception e) { logger.info("报错咯:" + e.getMessage()); throw new RuntimeException(e); } logger.info("响应参数:" + charset); return charset; } public static void main(String[] args) { try { Map<String,String> headmap = new HashMap<String,String>(); headmap.put("Access-Token", "sund2f3bf3e7ecea902bcdb7027e9139a02"); Map<String,String> paramap = new HashMap<String,String>(); paramap.put("customerDeptId", "38"); paramap.put("postCode", "qqqq"); System.out.println(doPost("http://10.39.137.100/api/needs/getInfoByCondition",headmap,paramap)); //System.out.println(sendPostByJson("http://10.39.137.100/api/needs/getInfoByCondition","{\"customerDeptId\":38,\"postCode\":\"qqqq\"}")); } catch (Exception e) { logger.error("系统错误:",e); } } }
// 设置请求参数 Map<String, String> param = new HashMap<String, String>(); param.put("test", "test"); // 设置请求头信息 Map<String, String> headMap =new HashMap<String, String>(); headMap.put("Authorization", token); headMap.put("Content-type", "application/json"); // 判断token获取的user信息 String tkJson = HttpClientUtils.connectPost(ssoGetUserURL, headMap, param); JSONObject resultJson = JSONObject.fromObject(tkJson); String employeeNo=json.getString("EmployeeNo");
原文链接:https://blog.csdn.net/lchq1995/article/details/88293047?utm_medium=distribute.pc_aggpage_search_result.none-task-blog-2~aggregatepage~first_rank_ecpm_v1~rank_v31_ecpm-9-88293047.pc_agg_new_rank&utm_term=httpclient%E5%B7%A5%E5%85%B7%E7%B1%BB%E5%B9%B6%E8%AE%BE%E7%BD%AEheader&spm=1000.2123.3001.4430
