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# 航线导出

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用这页导出受支持的航线数据。

本页统一使用 `航线导出` 作为主名称。

你也可能看到这个 API 被称为 `City Pairs API`。

### 主要 API

* `route/export.do`

### 适用场景

* 导出航线数据
* 内部分析支持
* 运营侧检查航线覆盖

### 调用前先确认

这个 API 面向生产航线数据集。

必填：

* `routeType`

只在需要时再加可选筛选：

* `fromCity`
* `fromCountry`
* `toCity`
* `toCountry`
* `airlines`
* `pageNumber`
* `pageSize`

### 航线类型

* `1`：airline routes
* `2`：Atlas routes

### 响应可能包含什么

返回的航线记录可能包含：

* 航司列表
* 出发地和目的地城市或国家
* 直飞或中转标记
* 航班时间窗口
* 最后更新时间

`isDirect` 与 Atlas 路线导出有关。

### 最佳实践

* 用筛选条件减少数据量
* 大批量导出时使用分页
* 根据 `updateDate` 刷新本地航线数据
* 在数据管道中区分 airline-route 和 Atlas-route

### 注意事项

* 接入前先确认环境可用性
* 航线数据是运营参考，不构成可预订保证
* 返回班期会随时间变化
* 直飞和中转覆盖取决于路线类型和来源数据

### 完整 API 参考

完整 schema 和示例见：

[航线导出](/api-wen-dang/api-can-kao/gong-ju-api/hang-xian-dao-chu.md)


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