HttpClientUtil访问方式

GET请求

package com.httpdemo;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.net.HttpURLConnection;import java.net.URL;import java.util.HashMap;import java.util.Map; import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.HttpException;import org.apache.commons.httpclient.HttpMethod;import org.apache.commons.httpclient.HttpStatus;import org.apache.commons.httpclient.methods.GetMethod;import org.apache.commons.httpclient.params.HttpMethodParams;import org.slf4j.Logger;import org.slf4j.LoggerFactory;public class HttpClientUtil {private static int DEFAULT_TIME_OUT = 5000;// 超时时间 单位毫秒protected static final Logger logger = LoggerFactory.getLogger(HttpClientUtil.class);public static String get(String endurls,Map<String,Object> map) throws HttpException, IOException{return  get(endurls,map,null,DEFAULT_TIME_OUT);}private static String get(String endurls, Map<String, Object> map,Map<String, Object> headers, int timeOut) throws HttpException, IOException { String result = null;//返回结果结合 HttpClient httpClient = new HttpClient(); httpClient.getParams().setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "UTF-8");// 指定传送字符集为UTF-8格式 httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(timeOut);//设置超时时间 //拼接url endurls+="?"; int start=0; if(map != null){ for (Map.Entry<String, Object> entry:map.entrySet()) { if(start == 0){ endurls=endurls +entry.getKey() +"="+entry.getValue(); }else{ endurls=endurls +"&"+entry.getKey() +"="+entry.getValue(); } start++;} } System.out.println(endurls); //方法处理一 String xmlresult=result( endurls); //方法处理2//String xmlresult= result( endurls,  headers,   httpClient,  result) ;return xmlresult;}private static String result (String endurls) throws IOException  {URL getUrl = new URL(endurls);HttpURLConnection connection =(HttpURLConnection)getUrl.openConnection();connection.connect(); // 取得输入流，并使用Reader读取BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream(),"utf-8"));StringBuffer sb = new StringBuffer();String line="";while ((line=reader.readLine())!= null) {sb.append(line);}reader.close();connection.disconnect();return sb.toString();}private static String result(String endurls,Map<String, Object> headers, HttpClient httpClient,String result) throws HttpException, IOException{ HttpMethod httpMethod =new GetMethod(endurls);  if(null != headers){// for (Map.Entry<String, Object> entry:headers.entrySet()) { httpMethod.addRequestHeader(entry.getKey(), entry.getValue().toString());} } //发送请求 int statusCode = httpClient.executeMethod(httpMethod); // 请求状态不等200时不成功if(statusCode != HttpStatus.SC_OK){logger.error("网络连接异常，GET请求失败，请求地址："+ endurls + "返回状态码："+ statusCode);throw new HttpException("网络连接异常");}InputStream inputStream = httpMethod.getResponseBodyAsStream();BufferedReader br = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));String string = "";StringBuffer stringBuffer = new StringBuffer();while ((string=br.readLine())!= null) {stringBuffer.append(string);}inputStream.close();//关流httpMethod.releaseConnection();//释放连接httpClient.getHttpConnectionManager().closeIdleConnections(0);result=stringBuffer.toString();return result;}public static void main(String[] args) {String url="http://www.tuling123.com/openapi/api?key=b9c73434132c08a17a70eb977d743f3b&info=讲个故事";String endurls="http://www.tuling123.com/openapi/api";Map<String, Object> map = new HashMap<String, Object>();map.put("key", "b9c73434132c08a17a70eb977d743f3b");map.put("info", "讲个故事");try {String result = HttpClientUtil.get(endurls, map);System.out.println(result);} catch (HttpException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}}