public JsonResult Details(int id) { try { ContextService <T> service = new ContextService <T>(dbSet, hostelContext); var obj = service.GetEntity(d => d.Id == id); return(Json(new { state = true, message = "操作成功", data = obj })); } catch { return(Json(new { state = false, message = "获取数据详情错误" })); } }