import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;
import java.net.URLConnection;
import java.net.URL; 

public class GetCurl{
    
    public static String SendGET(String url,String param){  
        String result="";//访问返回结果  
        BufferedReader read=null;//读取访问结果   
        try {  
         //创建url  
         URL realurl=new URL(url+"?"+param);  
         //打开连接  
         URLConnection connection=realurl.openConnection();  
          // 设置通用的请求属性  
                  connection.setRequestProperty("accept", "*/*");  
                  connection.setRequestProperty("connection", "Keep-Alive");  
                  connection.setRequestProperty("user-agent",  
                          "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");  
                  //建立连接  
                  connection.connect();  
               // 获取所有响应头字段  
//                  Map<String, List<String>> map = connection.getHeaderFields();  
//                  // 遍历所有的响应头字段，获取到cookies等  
//                  for (String key : map.keySet()) {  
//                      System.out.println(key + "--->" + map.get(key));  
//                  }  
                  // 定义 BufferedReader输入流来读取URL的响应  
                  read = new BufferedReader(new InputStreamReader(  
                          connection.getInputStream(),"UTF-8"));  
                  String line;//循环读取  
                  while ((line = read.readLine()) != null) {  
                      result += line;  
                  }  
        } catch (IOException e) {  
         e.printStackTrace();  
        }finally{  
         if(read!=null){//关闭流  
          try {  
           read.close();  
          } catch (IOException e) {  
           e.printStackTrace();  
          }  
         }  
        }  
            
        return result;   
      }   
}