get-train-no-by-train-code
Convert train codes (including three-letter codes or full names) to official train numbers for China railway queries. Use this tool before checking train schedules or stops.
Instructions
车次号转官方唯一编号（train_no），支持三字码/全名。常用于经停站查询前置转换。
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| train_code | Yes | 车次号 | |
| from_station | Yes | 出发站 | |
| to_station | Yes | 到达站 | |
| train_date | Yes | 出发日期，格式：YYYY-MM-DD |