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ee.FeatureCollection.propertyNames
使用集合让一切井井有条
根据您的偏好保存内容并对其进行分类。
返回此元素上属性的名称。
用法 | 返回 |
---|
FeatureCollection.propertyNames() | 列表 |
示例
代码编辑器 (JavaScript)
// A global power plant FeatureCollection.
var fc = ee.FeatureCollection('WRI/GPPD/power_plants');
// View a list of FeatureCollection property names.
print(fc.propertyNames());
Python 设置
如需了解 Python API 和如何使用 geemap
进行交互式开发,请参阅
Python 环境页面。
import ee
import geemap.core as geemap
Colab (Python)
# A global power plant FeatureCollection.
fc = ee.FeatureCollection('WRI/GPPD/power_plants')
# View a list of FeatureCollection property names.
print(fc.propertyNames().getInfo())
如未另行说明,那么本页面中的内容已根据知识共享署名 4.0 许可获得了许可,并且代码示例已根据 Apache 2.0 许可获得了许可。有关详情,请参阅 Google 开发者网站政策。Java 是 Oracle 和/或其关联公司的注册商标。
最后更新时间 (UTC):2025-07-26。
[null,null,["最后更新时间 (UTC):2025-07-26。"],[[["\u003cp\u003eReturns a list of property names present in a FeatureCollection.\u003c/p\u003e\n"],["\u003cp\u003eThis function is applied to a FeatureCollection element and requires no arguments.\u003c/p\u003e\n"],["\u003cp\u003eExamples are provided in JavaScript, Python, and Colab to demonstrate its usage for viewing property names in a FeatureCollection.\u003c/p\u003e\n"]]],[],null,["# ee.FeatureCollection.propertyNames\n\nReturns the names of properties on this element.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|-------------------------------------|---------|\n| FeatureCollection.propertyNames`()` | List |\n\n| Argument | Type | Details |\n|-----------------|---------|---------|\n| this: `element` | Element | |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// A global power plant FeatureCollection.\nvar fc = ee.FeatureCollection('WRI/GPPD/power_plants');\n\n// View a list of FeatureCollection property names.\nprint(fc.propertyNames());\n```\nPython setup\n\nSee the [Python Environment](/earth-engine/guides/python_install) page for information on the Python API and using\n`geemap` for interactive development. \n\n```python\nimport ee\nimport geemap.core as geemap\n```\n\n### Colab (Python)\n\n```python\n# A global power plant FeatureCollection.\nfc = ee.FeatureCollection('WRI/GPPD/power_plants')\n\n# View a list of FeatureCollection property names.\nprint(fc.propertyNames().getInfo())\n```"]]