Android之Json

public class JasonAction extends HttpServlet {

private JsonService service;

public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {

this.doPost(request,response);

}

/**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {

PrintWriter out = response.getWriter();
System.out.println("sd");
//String jsonString = JsonTools.createJsonString("person", service.getlistPerson());
String jsonString = "";
String action_flag = request.getParameter("action_flag");
if(action_flag.equals("person")){
jsonString = JsonTools.createJsonString("person",service.getPerson());
}else if(action_flag.equals("persons")){
jsonString = JsonTools.createJsonString("persons",service.getlistPerson());
}else if(action_flag.equals("liststring")){
jsonString = JsonTools.createJsonString("liststring",service.getListString());
}else if(action_flag.equals("listmap")){
jsonString = JsonTools.createJsonString("listmap",service.getListMaps());
}
System.out.println(jsonString);
out.print(jsonString);
out.flush();
out.close();
}

@Override
public void init() throws ServletException {
// TODO Auto-generated method stub
service = new JsonService();
}
}