介绍 java的特点有哪些 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 并不知道;
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);/* *
*,文章才能请求
*,才能@param url
*,才能@param json
*才能@return
,*/,public static String postJosnContent (String url, String Json), throws Exception {//,,HttpPost method =, new HttpPost (url),,//,,DefaultHttpClient httpClient =, new DefaultHttpClient (),,//,,String ret =,空;//,,try {//,,,StringEntity entity =, new StringEntity (Json,“UTF-8");//解决中文乱码问题,,//,,,,entity.setContentEncoding (“UTF-8");,//,,,,entity.setContentType(“应用程序/json");//,,,,method.setEntity(实体),,//,,,,HttpResponse result =, httpClient.execute(方法),,//,,,,ret =, EntityUtils.toString (result.getEntity ()),,//,,},catch (Exception e), {//,,,throw e;//,,},{finally //,,,method.releaseConnection ();//,,}//,,return 回收;
logger.error才能(“请求接口参数:“,+,Json);
PostMethod 才能;method =, new PostMethod (url);
HttpClient 才能;HttpClient =, new HttpClient ();
try {才能
,,RequestEntity entity =, new StringRequestEntity (Json,“应用程序/json"“UTF-8");
,,method.setRequestEntity(实体);
,,httpClient.executeMethod(方法);
,,logger.error(“请求接口路径url:“, +, method.getURI () .toString ());
,,InputStream 拷贝=,method.getResponseBodyAsStream ();
,,//下面将流转换为字符串
,,StringBuffer sb =, new StringBuffer ();
,,InputStreamReader isr =, new InputStreamReader (,,“UTF-8");
,,char [], b =, new char [4096];
,,(int n, (=n isr.read (b)), !=, 1;), {
,,,sb.append (new 字符串(b,, 0,, n));
,,}
,,String returnStr =, sb.toString ();
,,return returnStr;
,,},catch (Exception e), {
,,e.printStackTrace ();
,,throw e;
,,},{finally
,,method.releaseConnection ();
,,}
,}
}
怎么在java中使用common-httpclient包实现岗位请求?很多新手对此不是很清楚,为了帮助大家解决这个难题,下面小编将为大家详细讲解,有这方面需求的人可以来学习下,希望你能有所收获。
java的特点有哪些 1. java语言作为静态面向对象编程语言的代表,实现了面向对象理论,允许程序员以优雅的思维方式进行复杂的编程。 2. java具有简单性,面向对象,分布式、安全性,平台独立与可移植性,动态性等特点。 3.使用Java可以编写桌面应用程序,网络应用程序,分布式系统和嵌入式系统应用程序等。
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