HttpClientUtil
package com.chauvet.utils.http; import java.io.File; import java.io.IOException; import java.net.URL; import java.util.ArrayList; import java.util.List; import java.util.Map; 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.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.conn.ssl.DefaultHostnameVerifier; import org.apache.http.conn.util.PublicSuffixMatcher; import org.apache.http.conn.util.PublicSuffixMatcherLoader; import org.apache.http.entity.ContentType; import org.apache.http.entity.StringEntity; import org.apache.http.entity.mime.MultipartEntityBuilder; import org.apache.http.entity.mime.content.FileBody; import org.apache.http.entity.mime.content.StringBody; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils; /*** * HttpClient * @author wxw * */ public class HttpClientUtil { //设置全局的标准cookie策略 private RequestConfig requestConfig = RequestConfig.custom() .setSocketTimeout(15000) .setConnectTimeout(15000) .setConnectionRequestTimeout(15000) .build(); private static HttpClientUtil instance = null; private HttpClientUtil(){} public static HttpClientUtil getInstance(){ if (instance == null) { instance = new HttpClientUtil(); } return instance; } /** * 发送 post请求 * @param httpUrl 地址 */ public String sendHttpPost(String httpUrl) { HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost return sendHttpPost(httpPost); } /** * 发送 post请求 * @param httpUrl 地址 * @param params 参数(格式:key1=value1&key2=value2) */ public String sendHttpPost(String httpUrl, String params) { HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost try { //设置参数 StringEntity stringEntity = new StringEntity(params, "UTF-8"); stringEntity.setContentType("application/x-www-form-urlencoded"); httpPost.setEntity(stringEntity); } catch (Exception e) { e.printStackTrace(); } return sendHttpPost(httpPost); } /** * 发送 post请求 * @param httpUrl 地址 * @param maps 参数 */ public String sendHttpPost(String httpUrl, Map<String, String> maps) { HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost // 创建参数队列 List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(); for (String key : maps.keySet()) { nameValuePairs.add(new BasicNameValuePair(key, maps.get(key))); } try { httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, "UTF-8")); } catch (Exception e) { e.printStackTrace(); } return sendHttpPost(httpPost); } /** * 发送 post请求(带文件) * @param httpUrl 地址 * @param maps 参数 * @param fileLists 附件 */ public String sendHttpPost(String httpUrl, Map<String, String> maps, List<File> fileLists) { HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost MultipartEntityBuilder meBuilder = MultipartEntityBuilder.create(); for (String key : maps.keySet()) { meBuilder.addPart(key, new StringBody(maps.get(key), ContentType.TEXT_PLAIN)); } for(File file : fileLists) { FileBody fileBody = new FileBody(file); meBuilder.addPart("files", fileBody); } HttpEntity reqEntity = meBuilder.build(); httpPost.setEntity(reqEntity); return sendHttpPost(httpPost); } /** * 发送Post请求 * @param httpPost * @return */ private String sendHttpPost(HttpPost httpPost) { CloseableHttpClient httpClient = null; CloseableHttpResponse response = null; HttpEntity entity = null; String responseContent = null; try { // 创建默认的httpClient实例. httpClient = HttpClients.createDefault(); httpPost.setConfig(requestConfig); // 执行请求 response = httpClient.execute(httpPost); entity = response.getEntity(); responseContent = EntityUtils.toString(entity, "UTF-8"); } catch (Exception e) { e.printStackTrace(); } finally { try { // 关闭连接,释放资源 if (response != null) { response.close(); } if (httpClient != null) { httpClient.close(); } } catch (IOException e) { e.printStackTrace(); } } return responseContent; } /** * 发送 get请求 * @param httpUrl */ public String sendHttpGet(String httpUrl) { HttpGet httpGet = new HttpGet(httpUrl);// 创建get请求 return sendHttpGet(httpGet); } /** * 发送 get请求Https * @param httpUrl */ public String sendHttpsGet(String httpUrl) { HttpGet httpGet = new HttpGet(httpUrl);// 创建get请求 return sendHttpsGet(httpGet); } /** * 发送Get请求 * @param httpPost * @return */ private String sendHttpGet(HttpGet httpGet) { CloseableHttpClient httpClient = null; CloseableHttpResponse response = null; HttpEntity entity = null; String responseContent = null; try { // 创建默认的httpClient实例. httpClient = HttpClients.createDefault(); httpGet.setConfig(requestConfig); // 执行请求 response = httpClient.execute(httpGet); entity = response.getEntity(); responseContent = EntityUtils.toString(entity, "UTF-8"); } catch (Exception e) { e.printStackTrace(); } finally { try { // 关闭连接,释放资源 if (response != null) { response.close(); } if (httpClient != null) { httpClient.close(); } } catch (IOException e) { e.printStackTrace(); } } return responseContent; } /** * 发送Get请求Https * @param httpPost * @return */ private String sendHttpsGet(HttpGet httpGet) { CloseableHttpClient httpClient = null; CloseableHttpResponse response = null; HttpEntity entity = null; String responseContent = null; try { // 创建默认的httpClient实例. PublicSuffixMatcher publicSuffixMatcher = PublicSuffixMatcherLoader.load(new URL(httpGet.getURI().toString())); DefaultHostnameVerifier hostnameVerifier = new DefaultHostnameVerifier(publicSuffixMatcher); httpClient = HttpClients.custom().setSSLHostnameVerifier(hostnameVerifier).build(); httpGet.setConfig(requestConfig); // 执行请求 response = httpClient.execute(httpGet); entity = response.getEntity(); responseContent = EntityUtils.toString(entity, "UTF-8"); } catch (Exception e) { e.printStackTrace(); } finally { try { // 关闭连接,释放资源 if (response != null) { response.close(); } if (httpClient != null) { httpClient.close(); } } catch (IOException e) { e.printStackTrace(); } } return responseContent; } }
作者:wxw_wang
-------------------------------------------
个性签名:做一个灵魂有趣的人!
如果觉得这篇文章对你有小小的帮助的话,记得在右下角点个“推荐”哦,博主在此感谢!
万水千山总是情,打赏一分行不行,所以如果你心情还比较高兴,也是可以扫码打赏博主,哈哈哈(っ•̀ω•́)っ✎⁾⁾!