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2025 年 4 月 15 日之前注册使用 Earth Engine 的非商业项目都必须
验证是否符合非商业性质的资格条件,才能继续使用 Earth Engine。如果您在 2025 年 9 月 26 日之前未完成验证,您的访问权限可能会被暂停。
  
        
 
       
     
  
  
  
    
  
  
  
    
      ee.FeatureCollection.get
    
    
      
    
    
      
      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。
    
  
  
      
    
  
  
  
  
  
    
  
  
    
    
    
  
  
从功能中提取属性。
| 用法 | 返回 | 
|---|
| FeatureCollection.get(property) |  | 
| 参数 | 类型 | 详细信息 | 
|---|
| 此: object | 元素 | 要从中提取属性的要素。 | 
| property | 字符串 | 要提取的属性。 | 
  
  
  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());
// Get the value of a listed property.
print('Global power plant data provider as ee.ComputedObject',
      fc.get('provider'));
// The returned value is an ee.ComputedObject which has no methods available for
// further processing; cast to the relevant Earth Engine object class for use.
print('Global power plant data provider as ee.String',
      ee.String(fc.get('provider')));
  
    
  
  
    
  
  
  
  
    
  
    
  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.
display(fc.propertyNames())
# Get the value of a listed property.
display('Global power plant data provider as ee.ComputedObject:',
        fc.get('provider'))
# The returned value is an ee.ComputedObject which has no methods available for
# further processing; cast to the relevant Earth Engine object class for use.
display('Global power plant data provider as ee.String:',
        ee.String(fc.get('provider')))
  
  
  
  
  
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):2025-10-30。
  
  
  
    
      [null,null,["最后更新时间 (UTC):2025-10-30。"],[],["The core functionality involves extracting a specific property from a FeatureCollection using the `get(property)` method. This method requires the feature itself and the property name as input. The returned value is initially an `ee.ComputedObject`, which must be cast to the appropriate Earth Engine object type (e.g., `ee.String`) for further use. Examples demonstrate accessing property names via `propertyNames()` and extracting the 'provider' property from a power plant FeatureCollection in both JavaScript and Python.\n"]]