公告:凡是在
2025 年 4 月 15 日前註冊使用 Earth Engine 的非商業專案,都必須
驗證非商業用途資格,才能繼續存取 Earth Engine。
ee.Dictionary.fromLists
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
從兩個平行的鍵和值清單建構字典。
用量 | 傳回 |
---|
ee.Dictionary.fromLists(keys, values) | 字典 |
引數 | 類型 | 詳細資料 |
---|
keys | 清單 | 索引鍵清單。 |
values | 清單 | 值清單。 |
範例
程式碼編輯器 (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 設定
請參閱
Python 環境頁面,瞭解 Python API 和如何使用 geemap
進行互動式開發。
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())
除非另有註明,否則本頁面中的內容是採用創用 CC 姓名標示 4.0 授權,程式碼範例則為阿帕契 2.0 授權。詳情請參閱《Google Developers 網站政策》。Java 是 Oracle 和/或其關聯企業的註冊商標。
上次更新時間:2025-07-26 (世界標準時間)。
[null,null,["上次更新時間:2025-07-26 (世界標準時間)。"],[[["\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```"]]