使用url类!!!String result = "";  
        try {  
            URL url = new URL("http://192.168.4.95:8080/testprotocol/readCurrent.do?address=000000000001");  
            URLConnection connection = url.openConnection();  
            connection.connect();  
            BufferedReader reader = new BufferedReader(new 
             InputStreamReader(connection.getInputStream(),charset));  
            String line;  
            while((line = reader.readLine())!= null){   
                result += line;  
                result += "\n";  
            }  
        } catch (Exception e) {  
            e.printStackTrace();    
        }  
        System.out.println(result);