@Action(value = "pray") public String pray() { System.out.println(model.getUserId() + "====" + projectId); map = new HashMap<String, Object>(); Project p = userService.userPray(model.getUserId(), projectId); if (p != null) { servletContext.setAttribute("project" + projectId, p); int sum = (Integer) servletContext.getAttribute("sum"); servletContext.setAttribute("sum", sum + 1); map.put("status", 0); } else { map.put("status", -1); } outJsonString(JsonUtils.map2Json(map)); return null; }