'未核销', self::STATE_ONE => '待核销', self::STATE_TWO => '已核销', ]; const type_one = 1; // 收款 const type_two = 2; // 付款 public static $model_type = [ self::type_one => '收款', self::type_two => '付款', ]; const data_type_one = 1; // 合同 const data_type_two = 2; // 采购 public static $data_type = [ self::data_type_one => '合同', self::data_type_two => '采购', ]; const prefix = "T9RMO."; }