GET请求例子：
Map<String, String> params = new HashMap<>();
params.put("grant_type", "client_credential");
params.put("appid","你自己的appid");
params.put("secret", "你自己的密钥");
String resultStr = HttpClientUtil.sendGet(url, params);
POST JOSN请求例子：
JSONObject params = new JSONObject();
params.put("第三方请求参数","自己的入参");
params.put("第三方请求参数","自己的入参");
params.put("第三方请求参数","自己的入参");
params.put("第三方请求参数","自己的入参");
params.put("第三方请求参数","自己的入参");
log.info("请求第三方批量发送短信请求参数request:{}", params);
String resultStr = HttpClientUtil.sendPostJson(msgTemplateUrlConfig.getUrlMessageBatch(), params);
POST form-data请求例子：
okhttp3.RequestBody body = new MultipartBody.Builder().setType(MultipartBody.FORM)
.addFormDataPart("第三方请求参数","自己的入参")
.addFormDataPart("第三方请求参数","自己的入参")
.addFormDataPart("第三方请求参数","自己的入参")
.addFormDataPart("第三方请求参数","自己的入参")
.addFormDataPart("第三方请求参数","自己的入参")
.addFormDataPart("第三方请求参数","自己的入参")
.build();
String resultStr = HttpClientUtil.sendPostWithFile("第三方请求URL", body);
第三方返回的数据都是以String类型的输出，需要自行转换
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下方代码为：HttpClient请求工具类包含
GET请求
POST application/json请求
POST application/x-www-form-urlencoded请求
POST multipart/form-data 请求
package com.bsd.trafficfly.message.util;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.TypeReference;
import okhttp3.*;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.*;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.config.Registry;
import org.apache.http.config.RegistryBuilder;
import org.apache.http.conn.socket.ConnectionSocketFactory;
import org.apache.http.conn.socket.PlainConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.ssl.SSLContexts;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.web.multipart.MultipartFile;
import javax.net.ssl.SSLContext;
import java.io.*;
import java.net.URI;
import java.net.URISyntaxException;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.util.*;
public class HttpClientUtil {
private static Logger log = LoggerFactory.getLogger(HttpClientUtil.class);
private final static String DEFAULT_ENCODE = "UTF-8";
private static final int TIME_OUT = 10 * 1000;
private HttpClientUtil() {
}
private static SSLContext buildIgnoreContext() {
SSLContext sslContext = null;
try {
sslContext = SSLContexts.custom().setProtocol("TLSv1.2").build();
} catch (NoSuchAlgorithmException | KeyManagementException e) {
log.error(e.getMessage(), e);
}
return sslContext;
}
private static CloseableHttpClient getClient(int timeOut) {
RequestConfig requestConfig = RequestConfig.custom()
.setConnectionRequestTimeout(timeOut)
.setConnectTimeout(timeOut)
.setSocketTimeout(timeOut)
.build();
SSLContext sslContext = buildIgnoreContext();
Registry<ConnectionSocketFactory> registry = RegistryBuilder.<ConnectionSocketFactory>create()
.register("http", PlainConnectionSocketFactory.INSTANCE)
.register("https", new SSLConnectionSocketFactory(sslContext))
.build();
PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(registry);
return HttpClients.custom()
.setConnectionManager(connManager)
.setDefaultRequestConfig(requestConfig)
.build();
}
public static String sendPostJson(String url, String jsonStr, Map<String, String> headers, int timeOut) {
HttpPost post = new HttpPost(url);
if (headers != null && headers.size() > 0) {
for (Map.Entry<String, String> entry : headers.entrySet()) {
post.setHeader(entry.getKey(), entry.getValue());
}
}
StringEntity entity = new StringEntity(jsonStr, DEFAULT_ENCODE);
entity.setContentEncoding(DEFAULT_ENCODE);
entity.setContentType("application/json;charset=" + DEFAULT_ENCODE);
post.setEntity(entity);
return execute(post, timeOut);
}
public static String sendDelete(String url, Map<String, String> headers, int timeOut) {
HttpDelete httpDelete = new HttpDelete(url);
if (headers != null && headers.size() > 0) {
for (Map.Entry<String, String> entry : headers.entrySet()) {
httpDelete.setHeader(entry.getKey(), entry.getValue());
}
}
return execute(httpDelete, timeOut);
}
public static String sendDelete(String url, Map<String, String> headers) {
return sendDelete(url, headers, TIME_OUT);
}
public static String sendPostJson(String url, String jsonStr, Map<String, String> headers) {
return sendPostJson(url, jsonStr, headers, TIME_OUT);
}
public static String sendPostJson(String url, String jsonStr, int timeOut) {
return sendPostJson(url, jsonStr, new HashMap<>(0), timeOut);
}
public static String sendPostJson(String url, String jsonStr) {
return sendPostJson(url, jsonStr, TIME_OUT);
}
public static String sendPostJson(String url, Object data) {
if (data == null) {
data = new HashMap(0);
}
return sendPostJson(url, JSON.toJSONString(data));
}
public static <T> T postJsonForObject(String url, String jsonStr, Class<T> responseType) {
String result = sendPostJson(url, jsonStr);
if (StringUtils.isNotBlank(result)) {
return JSONObject.parseObject(result, responseType);
} else {
return null;
}
}
public static <T> T postJsonForObject(String url, String jsonStr, TypeReference<T> responseType) {
String result = sendPostJson(url, jsonStr);
if (StringUtils.isNotBlank(result)) {
return JSON.parseObject(result, responseType);
} else {
return null;
}
}
public static <T> T postJsonForObject(String url, Object data, Class<T> responseType) {
if (data == null) {
data = new HashMap(0);
}
return postJsonForObject(url, JSON.toJSONString(data), responseType);
}
public static <T> T postJsonForObject(String url, Object data, TypeReference<T> responseType) {
if (data == null) {
data = new HashMap(0);
}
return postJsonForObject(url, JSON.toJSONString(data), responseType);
}
public static String sendPostForm(String url, Map<String, String> params) {
return sendPostForm(url, params, new HashMap<>(0));
}
public static String sendPostForm(String url, Map<String, String> params, int timeOut) {
Map<String, String> headers = new HashMap<>(1);
return sendPostForm(url, params, headers, timeOut);
}
public static String sendPostForm(String url, Map<String, String> params, Map<String, String> headers) {
return sendPostForm(url, params, headers, TIME_OUT);
}
public static String sendPostForm(String url, Map<String, String> params, Map<String, String> headers, int timeOut) {
UrlEncodedFormEntity reqEntity = createFormEntity(params);
HttpPost httppost = new HttpPost(url);
httppost.addHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_FORM_URLENCODED_VALUE);
if (headers != null) {
for (Map.Entry<String, String> entry : headers.entrySet()) {
if (StringUtils.equalsAnyIgnoreCase
(entry.getKey(), HttpHeaders.CONTENT_LENGTH, HttpHeaders.CONTENT_TYPE)) {
continue;
}
httppost.addHeader(entry.getKey(), entry.getValue());
}
}
httppost.setEntity(reqEntity);
return execute(httppost, timeOut);
}
public static <T> T postFormForObject(String url, Map<String, String> params, Class<T> responseType) {
String result = sendPostForm(url, params);
if (StringUtils.isNotBlank(result)) {
return JSONObject.parseObject(result, responseType);
} else {
return null;
}
}
public static <T> T postFormForObject(String url, Map<String, String> params, TypeReference<T> responseType) {
String result = sendPostForm(url, params);
if (StringUtils.isNotBlank(result)) {
return JSON.parseObject(result, responseType);
} else {
return null;
}
}
public static String sendGet(String url, Map<String, String> params, int timeOut) {
return sendGet(url, params, new HashMap<>(1), timeOut);
}
public static String sendGet(String url, Map<String, String> params) {
return sendGet(url, params, new HashMap<>(1));
}
public static String sendGet(String url, Map<String, String> params, Map<String, String> headers, int timeOut) {
if (url == null) {
return null;
}
try {
URIBuilder uriBuilder = new URIBuilder(url);
if (null != params) {
uriBuilder.setParameters(getNameValuePairList(params));
}
URI uri = uriBuilder.build();
String rawQueryString = uri.getRawQuery();
if (StringUtils.isNotBlank(rawQueryString)) {
if (!url.contains("?")) {
url = url + "?";
}
if (url.endsWith("?")) {
url = url + rawQueryString;
} else {
url = url + "&" + rawQueryString;
}
}
HttpGet httpGet = new HttpGet(url);
if (headers != null) {
Set<Map.Entry<String, String>> entrySet = headers.entrySet();
for (Map.Entry<String, String> entry : entrySet) {
httpGet.setHeader(entry.getKey(), entry.getValue());
}
}
return execute(httpGet, timeOut);
} catch (URISyntaxException e) {
log.error(e.getMessage(), e);
}
return null;
}
public static String sendGet(String url, Map<String, String> params, Map<String, String> headers) {
return sendGet(url, params, headers, TIME_OUT);
}
public static <T> T getForObject(String url, Map<String, String> params, Class<T> responseType) {
String result = sendGet(url, params);
if (StringUtils.isNotBlank(result)) {
return JSONObject.parseObject(result, responseType);
} else {
return null;
}
}
public static <T> T getForObject(String url, Map<String, String> params, TypeReference<T> responseType) {
String result = sendGet(url, params);
if (StringUtils.isNotBlank(result)) {
return JSON.parseObject(result, responseType);
} else {
return null;
}
}
private static List<NameValuePair> getNameValuePairList(Map<String, String> params) {
List<NameValuePair> list = new ArrayList<>();
try {
if (params != null && !params.isEmpty()) {
for (String key : params.keySet()) {
String value = params.get(key);
if (value != null) {
list.add(new BasicNameValuePair(key, value));
}
}
}
} catch (Exception e) {
log.error(e.getMessage(), e);
}
return list;
}
private static UrlEncodedFormEntity createFormEntity(Map<String, String> pram) {
try {
List<NameValuePair> formParams = getNameValuePairList(pram);
return new UrlEncodedFormEntity(formParams, DEFAULT_ENCODE);
} catch (UnsupportedEncodingException e) {
log.error(e.getMessage(), e);
}
return null;
}
private static String execute(HttpRequestBase requestBase, int timeOut) {
StringBuilder sb = new StringBuilder();
BufferedReader reader = null;
CloseableHttpResponse response = null;
CloseableHttpClient httpClient = getClient(timeOut);
try {
long start = System.currentTimeMillis();
response = httpClient.execute(requestBase);
log.debug("请求id: {} , url: {} , 耗时: {} ", requestBase.getURI().toString(), (System.currentTimeMillis() - start));
HttpEntity entity = response.getEntity();
reader = new BufferedReader(new InputStreamReader(entity.getContent(), DEFAULT_ENCODE));
String line = reader.readLine();
while (line != null) {
sb.append(line);
line = reader.readLine();
}
EntityUtils.consume(entity);
} catch (Exception e) {
log.error("远程调用异常", e);
} finally {
try {
if (reader != null) {
reader.close();
}
if (response != null) {
response.close();
}
httpClient.close();
} catch (IOException e) {
log.error("", e);
}
}
return sb.toString();
}
public static String sendPostWithFile(String requestUrl, RequestBody body) {
try {
OkHttpClient client = new OkHttpClient().newBuilder().build();
Request request = new Request.Builder()
.url(requestUrl)
.method("POST", body)
.addHeader("Content-Type", "multipart/form-data")
.build();
Response response = client.newCall(request).execute();
if (response.body() == null) {
log.info("短信发送httpClent获取数据为空");
return null;
}
log.info("from-data:" + response.body().toString());
return response.body().string();
} catch (Exception e) {
log.info("******短信发送httpClent 请求出错****" + e.getMessage());
} finally {
}
return null;
}
}
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