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();
		}
	}

}