PS：這個(gè)jar包，在2007年之后就沒有更新過了， 是比較老的版本了。追求新的版本 用HttpComponents 比較好
引入的jar包為：
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<!-- https://mvnrepository.com/artifact/commons-httpclient/commons-httpclient --><dependency> <groupId>commons-httpclient</groupId> <artifactId>commons-httpclient</artifactId> <version>3.1</version></dependency> |
具體實(shí)現(xiàn)類為：
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import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.methods.GetMethod;import org.apache.commons.httpclient.methods.PostMethod;import org.apache.commons.httpclient.methods.RequestEntity;import org.apache.commons.httpclient.methods.StringRequestEntity;import org.apache.commons.httpclient.params.HttpMethodParams;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import java.io.IOException;public class HttpClientHelper { private HttpClientHelper() { } /** * 發(fā)起POST請(qǐng)求 * * @param url url * @param paramJson 參數(shù)的json格式 */ public static String sendPost(String url, String paramJson) { logger.info("開始發(fā)起POST請(qǐng)求，請(qǐng)求地址為{}，參數(shù)為{}", url, paramJson); // 創(chuàng)建httpClient實(shí)例對(duì)象 HttpClient httpClient = new HttpClient(); // 設(shè)置httpClient連接主機(jī)服務(wù)器超時(shí)時(shí)間：15000毫秒 httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(15000); // 創(chuàng)建post請(qǐng)求方法實(shí)例對(duì)象 PostMethod postMethod = new PostMethod(url); // 設(shè)置post請(qǐng)求超時(shí)時(shí)間 postMethod.getParams().setParameter(HttpMethodParams.SO_TIMEOUT, 60000); postMethod.addRequestHeader("Content-Type", "application/json"); try { //json格式的參數(shù)解析 RequestEntity entity = new StringRequestEntity(paramJson, "application/json", "UTF-8"); postMethod.setRequestEntity(entity); httpClient.executeMethod(postMethod); String result = postMethod.getResponseBodyAsString(); postMethod.releaseConnection(); return result; } catch (IOException e) { logger.error("POST請(qǐng)求發(fā)出失敗，請(qǐng)求的地址為{}，參數(shù)為{}，錯(cuò)誤信息為{}", url, paramJson, e.getMessage(), e); } return null; } /** * 發(fā)起GET請(qǐng)求 * * @param urlParam url請(qǐng)求，包含參數(shù) */ public static String sendGet(String urlParam) { logger.info("開始發(fā)起GET請(qǐng)求，請(qǐng)求地址為{}", urlParam); // 創(chuàng)建httpClient實(shí)例對(duì)象 HttpClient httpClient = new HttpClient(); // 設(shè)置httpClient連接主機(jī)服務(wù)器超時(shí)時(shí)間：15000毫秒 httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(15000); // 創(chuàng)建GET請(qǐng)求方法實(shí)例對(duì)象 GetMethod getMethod = new GetMethod(urlParam); // 設(shè)置post請(qǐng)求超時(shí)時(shí)間 getMethod.getParams().setParameter(HttpMethodParams.SO_TIMEOUT, 60000); getMethod.addRequestHeader("Content-Type", "application/json"); try { httpClient.executeMethod(getMethod); String result = getMethod.getResponseBodyAsString(); getMethod.releaseConnection(); logger.info("返回信息為{}", result); return result; } catch (IOException e) { logger.error("GET請(qǐng)求發(fā)出失敗，請(qǐng)求的地址為{}，錯(cuò)誤信息為{}", urlParam, e.getMessage(), e); } return null; } public static void main(String[] args) { String url = "https://jiashubing.cn/tencenttest"; String param = "{\"aaa\":\"bbbbbbb\"}"; sendPost(url, param); String urlParam = "https://jiashubing.cn/talk/document?fileid=1234"; sendGet(urlParam); }} |
以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持服務(wù)器之家。
原文鏈接：https://www.cnblogs.com/acm-bingzi/p/commons_httpclient.html
