学步园

  //JSON数据格式<br /> /*<br /> [{id:1,title:"实拍奥巴马国宴秀中国谚语 主菜烤牛排",timelength:90},<br /> {id:1,title:"实拍奥巴马国宴秀中国谚语 主菜烤牛排",timelength:90},<br /> {id:1,title:"实拍奥巴马国宴秀中国谚语 主菜烤牛排",timelength:90},<br /> {id:1,title:"实拍奥巴马国宴秀中国谚语 主菜烤牛排",timelength:90},<br /> {id:1,title:"实拍奥巴马国宴秀中国谚语 主菜烤牛排",timelength:90},<br /> {id:1,title:"实拍奥巴马国宴秀中国谚语 主菜烤牛排",timelength:90},<br /> ]<br /> */

  JSON 解析 方法

/**<br /> * 获取网络的最新视频资讯 JSON<br /> * @return<br /> * @throws Exception<br /> */<br /> public static List<Video> getJSONLastVideos() throws Exception<br /> {<br /> String path="http://192.168.1.168:8080/video/data=json";<br /> URL url=new URL(path);<br /> HttpURLConnection conn=(HttpURLConnection)url.openConnection();<br /> conn.setRequestMethod("GET");<br /> conn.setReadTimeout(1000*5);</p> <p> if(conn.getResponseCode()==200)<br /> {<br /> InputStream inputStream=conn.getInputStream();<br /> return parseJSON(inputStream);<br /> }<br /> return null;<br /> }</p> <p> /**<br /> * 解析JSON 数据<br /> * @param inputStream<br /> * @return<br /> * @throws Exception<br /> */<br /> private static List<Video> parseJSON(InputStream inputStream)<br /> {<br /> List<Video> videos=new ArrayList<Video>();<br /> try<br /> {<br /> byte[] data=readStream(inputStream);<br /> String json=new String(data);<br /> JSONArray jsonArray=new JSONArray(json);<br /> for(int i=0;i<jsonArray.length();i++)<br /> {<br /> JSONObject jsonObject=jsonArray.getJSONObject(i);<br /> Video video=new Video(jsonObject.getInt("id"), jsonObject.getString("title"), jsonObject.getInt("timelength"));<br /> videos.add(video);<br /> }</p> <p> } catch (Exception e)<br /> {<br /> // TODO Auto-generated catch block<br /> e.printStackTrace();<br /> }<br /> return videos;<br /> }</p> <p> /**<br /> * 读取流中的数据<br /> * @param inStream<br /> * @return<br /> * @throws Exception<br /> */<br /> public static byte[] readStream(InputStream inputStream) throws Exception{<br /> ByteArrayOutputStream outStream = new ByteArrayOutputStream();<br /> byte[] buffer = new byte[1024];<br /> int len = 0;<br /> while( (len=inputStream.read(buffer)) != -1){<br /> outStream.write(buffer, 0, len);<br /> }<br /> outStream.close();<br /> inputStream.close();<br /> return outStream.toByteArray();<br /> }