httpclient 请求http数据,json转map的实例

时间：2022-06-27 04:53:02

实例如下：

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package com.idc.dataAudit.dataResource;
 
 
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
 
 
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
 
 
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.methods.GetMethod;
 
 
public class RequestHttpManage {
    public Map<Integer,String> RequesthttpInfo(String url) {
        String resultStr = null;
        Map<Integer,String> mapResult = new HashMap<Integer,String>();
    try{
            HttpClient client = new HttpClient(); 
            HttpMethod method=new GetMethod(url);
            //使用POST方法
            //HttpMethod method = new PostMethod("http://java.sun.com");
            client.executeMethod(method);
            
            //打印服务器返回的状态
            //System.out.println(method.getProtocolVersion());
            //System.out.println(method.getStatusLine().getStatusCode());
            //System.out.println(method.getStatusLine().getReasonPhrase());
              // System.out.println(method.getStatusLine().toString());
              // System.out.println(method.getStatusLine());
            //打印返回的信息
              // System.out.println(method.getResponseBodyAsString());
            
            
            mapResult.put(method.getStatusLine().getStatusCode(), method.getResponseBodyAsString());
            //释放连接
            method.releaseConnection();
    }catch(Exception e){
        e.printStackTrace();
    }
    System.out.println(mapResult);
    return mapResult;
  }
    public Map<String,List<String>> GetMapFromJson(String jsonStr){
    Map<String,List<String>> mapResult = new HashMap<String,List<String>>();
    try{
        
         JSONObject result = JSONObject.fromObject(jsonStr);//转换为JSONObject
      
       JSONArray nameList = result.getJSONArray("result");//获取JSONArray
       int length = nameList.size();
       for(int i=0;i<length;i++){
         JSONObject tempObject = nameList.getJSONObject(i);
         
         Iterator iter = tempObject.keys();
         String key = (String)iter.next();
         
         
         String keyId = tempObject .getString(key);
         
         List<String> objList = new ArrayList<String>();
         for (; iter.hasNext();) {
            String keyLocal = (String)iter.next();
          //  System.out.println(key+"="+tempObject .getString(keyLocal));
            objList.add(tempObject .getString(keyLocal));
         }
         mapResult.put(keyId, objList);
       }
    }catch(Exception e){
        e.printStackTrace();
    }
    System.out.println(mapResult);
    return mapResult;
  }
 
 
 
}

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