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ee.Dictionary.fromLists
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。
从两个平行的键和值列表中构造一个字典。
| 用法 | 返回 |
|---|
ee.Dictionary.fromLists(keys, values) | 字典 |
| 参数 | 类型 | 详细信息 |
|---|
keys | 列表 | 键列表。 |
values | 列表 | 一个值列表。 |
示例
代码编辑器 (JavaScript)
// Corresponding lists of keys and values.
var keys = ['B1', 'B2', 'B3'];
var values = [182, 219, 443];
print('Dictionary from lists of keys and values',
ee.Dictionary.fromLists(keys, values));
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)
# Corresponding lists of keys and values.
keys = ['B1', 'B2', 'B3']
values = [182, 219, 443]
print('Dictionary from lists of keys and values:',
ee.Dictionary.fromLists(keys, values).getInfo())
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最后更新时间 (UTC)：2025-07-26。
[null,null,["最后更新时间 (UTC)：2025-07-26。"],[[["\u003cp\u003e\u003ccode\u003eee.Dictionary.fromLists()\u003c/code\u003e creates an Earth Engine Dictionary object from two parallel lists, where the first list provides the keys and the second list provides the corresponding values.\u003c/p\u003e\n"],["\u003cp\u003eThis function is useful for organizing data in a key-value structure, allowing for easy access to values using their associated keys within the Earth Engine environment.\u003c/p\u003e\n"],["\u003cp\u003eThe function accepts two arguments: \u003ccode\u003ekeys\u003c/code\u003e (a list of keys) and \u003ccode\u003evalues\u003c/code\u003e (a list of values), which must be of the same length to ensure proper pairing.\u003c/p\u003e\n"]]],["The function `ee.Dictionary.fromLists(keys, values)` creates a dictionary from two lists. The `keys` list provides the dictionary's keys, while the `values` list supplies the corresponding values. Both arguments require list types. The function returns a dictionary. In the provided examples, a dictionary is created using keys `['B1', 'B2', 'B3']` and corresponding values `[182, 219, 443]`.\n"],null,["# ee.Dictionary.fromLists\n\nConstruct a dictionary from two parallel lists of keys and values.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|-----------------------------------------|------------|\n| `ee.Dictionary.fromLists(keys, values)` | Dictionary |\n\n| Argument | Type | Details |\n|----------|------|-------------------|\n| `keys` | List | A list of keys. |\n| `values` | List | A list of values. |\n\nExamples\n--------\n\n### Code Editor (JavaScript)\n\n```javascript\n// Corresponding lists of keys and values.\nvar keys = ['B1', 'B2', 'B3'];\nvar values = [182, 219, 443];\nprint('Dictionary from lists of keys and values',\n ee.Dictionary.fromLists(keys, values));\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# Corresponding lists of keys and values.\nkeys = ['B1', 'B2', 'B3']\nvalues = [182, 219, 443]\nprint('Dictionary from lists of keys and values:',\n ee.Dictionary.fromLists(keys, values).getInfo())\n```"]]
