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在用户界面中引用数据(Referencing data in the UI)#

数据映射是指引用前一个节点的数据。它不包括更改（转换）数据，只是引用数据。

🌐 Data mapping means referencing data from previous nodes. It doesn't include changing (transforming) data, just referencing it.

当你需要从工作流中的特定节点获取数据时，你可以按名称引用节点。当你的工作流有多个分支或需要访问几步之前的数据时，这很有用。

🌐 When you need data from a particular node in your workflow, you can reference nodes by name. This is useful when your workflow has multiple branches or when you need to access data from several steps back.

你可以通过以下方式映射数据：

🌐 You can map data in the following ways:

  • 使用表达式编辑器。
  • 通过将数据从 输入 面板拖放到节点参数中。这会为你生成表达式。

Creating expressions in the UI

有关映射和关联项目错误的信息，请参阅 项目关联错误。

🌐 For information on errors with mapping and linking items, refer to Item linking errors.

参见 常用引用方式。

🌐 See Common ways of referencing.