'合同', self::Order_type2 => '采购单', ]; const Model_type_one = 1; // 退货单 const Model_type_two = 2; // 换货单 const Model_type_three = 3; // 仅退款 public static $model_type = [ self::Model_type_one, self::Model_type_two, self::Model_type_three, ]; public static $model_type_name = [ self::Model_type_one => '退货单', self::Model_type_two => '换货单', self::Model_type_three => '仅退款', ]; const State_minus_one = -1;//驳回 const State_zero = 0;//未确认 const State_one = 1;//待确认 const State_two = 2;//已确认 public static $state = [ self::State_minus_one => '驳回', self::State_zero => '未提交', self::State_one => '待审核', self::State_two => '已审核', ]; public static $prefix = [ self::Model_type_one => 'TH', self::Model_type_two => 'HH', self::Model_type_three => 'TK', ]; const range_function = 'returnExchangeOrderRange'; const is_check_function = 'returnExchangeOrderCheck'; }