public Dictionary <string, object> DeleteTask(string TASK_ID) { Dictionary <string, object> r = new Dictionary <string, object>(); try { string b = db.DeleteTask(TASK_ID); if (b == "") { r["code"] = 2000; r["message"] = "成功"; } else { r["code"] = -1; r["message"] = b; } } catch (Exception e) { r["message"] = e.Message; r["code"] = -1; } return(r); }