@RequestMapping(value = "changeDocumentBookState", method = RequestMethod.POST)
    public String changeDocumentBookState(@RequestParam("operator") int operator, @RequestParam("documentBookId") long documentBookId, HttpServletRequest request)
    {
        HttpSession session = request.getSession();
        
        CPUser user = (CPUser)session.getAttribute(Constants.LOGIN_USER);
        
        long cpId = user.getEntityID();
        
        String usercodes =request.getParameter("usercodes");
        
        MallInterfaceJson json =new MallInterfaceJson();
        
        json.setCpid(cpId+"");
        
        json.setMagid(documentBookId+"");
        
        json.setItname(OperatorState.operatorStatus(operator).getName());
        
        taskService.changeDocumentBookState(json);

    }