Java实现JSON数据的高效解析与处理

json格式的数据contentType为text/plain
Android客户端
/**
 * 获取最新资讯
 */
public static List<News> getJSONLastNews() throws Exception{
String path = "http://192.168.1.100:8080/web/ListServlet?format=json";
URL url = new URL(path);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setConnectTimeout(5000);
conn.setRequestMethod("GET");
if(conn.getResponseCode() == 200){
InputStream inStream = conn.getInputStream();
byte[] data = StreamTool.read(inStream);
String json = new String(data);
return parseJSON(json);
}
return null;
}
/**
 * 解析JSON数据
 */
private static List<News> parseJSON(String json) throws Exception{
List<News> news = new ArrayList<News>();
//[{id:12,title:喜羊羊与灰太狼全集,timelength:10},{id:55,title:实拍舰载直升东海救援演习,timelength:18},{id:90,title:喀麦隆VS荷兰,timelength:90}]
JSONArray jsonArray = new JSONArray(json);
for(int i = 0 ; i < jsonArray.length() ; i++){
JSONObject jsonObject = jsonArray.getJSONObject(i);
int id = jsonObject.getInt("id");
int timelength = jsonObject.getInt("timelength");