How to pass dynamic parameters when requesting a data API

Preview

Procedure

1. Log on to the DataV console.

2. Select a visualization application and click Edit to open the canvas editor.

3. Add a Tab List widget and a Basic Flat Map widget to the canvas.

4. Click the Tab List widget, select the Data panel, and modify the static data.

   [
     {
       "id": 1,
       "content": "610000"
     },
     {
       "id": 2,
       "content": "330000"
     },
     {
       "id": 3,
       "content": "320000"
     }
   ]

5. Click the choropleth layer of the Basic Flat Map widget. On the Data panel, for the Geo-border GeoJSON API, set Data Source to API and enter the URL.

   https://geo.datav.aliyun.com/areas_v3/bound/geojson?code=:code

6. In the Layers panel, select all widgets, right-click, and select Export to Blueprint Editor.

7. Connect the widgets.

8. Configure the processing method for the serial data processing node.

   return { code: data.content };

9. Click the icon in the upper-right corner of the page to preview the results.