前言
项目中需要请求第三方接口，而且要求请求参数数据为json类型的。本来首先使用的是httpclient的jar包，但是因为项目中已经使用了common-httpclient的jar包，引起了冲突，所以不得不使用common-httpclient来实现。
示例代码：
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import java.io.bufferedreader;import java.io.fileoutputstream;import java.io.ioexception;import java.io.inputstream;import java.io.inputstreamreader;import java.net.url;import java.net.urlconnection;import java.util.list;import java.util.map;import java.util.zip.gzipinputstream;import org.apache.commons.httpclient.httpclient;import org.apache.commons.httpclient.httpmethod;import org.apache.commons.httpclient.namevaluepair;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.io.ioutils;import org.slf4j.logger;import org.slf4j.loggerfactory;public class httputils { private static logger logger = loggerfactory.getlogger(httputils.class); /** * post请求 * @param url * @param json * @return */ public static string postjosncontent(string url, string json) throws exception {// httppost method = new httppost(url); // defaulthttpclient httpclient = new defaulthttpclient(); // string ret = null;// try {// stringentity entity = new stringentity(json,"utf-8");//解决中文乱码问题 // entity.setcontentencoding("utf-8"); // entity.setcontenttype("application/json");// method.setentity(entity); // httpresponse result = httpclient.execute(method); // ret = entityutils.tostring(result.getentity()); // } catch (exception e) {// throw e;// } finally {// method.releaseconnection();// }// return ret; logger.error("请求接口参数：" + json); postmethod method = new postmethod(url); httpclient httpclient = new httpclient(); try { requestentity entity = new stringrequestentity(json,"application/json","utf-8"); method.setrequestentity(entity); httpclient.executemethod(method); logger.error("请求接口路径url：" + method.geturi().tostring()); inputstream in = method.getresponsebodyasstream(); //下面将stream转换为string stringbuffer sb = new stringbuffer(); inputstreamreader isr = new inputstreamreader(in, "utf-8"); char[] b = new char[4096]; for(int n; (n = isr.read(b)) != -1;) { sb.append(new string(b, 0, n)); } string returnstr = sb.tostring(); return returnstr; } catch (exception e) { e.printstacktrace(); throw e; } finally { method.releaseconnection(); } }} |
总结
以上就是这篇文章的全部内容了，希望本文的内容对大家的学习或者工作具有一定的参考学习价值，如果有疑问大家可以留言交流，谢谢大家对服务器之家的支持。
原文链接：https://blog.csdn.net/u010398838/article/details/80708632
