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ee.Join.saveAll
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
傳回的聯結會將第一個集合中的每個元素，與第二個集合中相符的元素群組配對。系統會將相符項目清單新增至每個結果，做為額外屬性。如果指定 measureKey，每個相符項目都會附加其聯結指標的值。使用 withinDistance 或 maxDifference 篩選器做為聯結條件時，系統會產生聯結度量。
| 用量 | 傳回 |
|---|
ee.Join.saveAll(matchesKey, ordering, ascending, measureKey, outer) | 加入 |
| 引數 | 類型 | 詳細資料 |
|---|
matchesKey | 字串 | 用於儲存相符項目清單的屬性名稱。 |
ordering | 字串，預設值為空值 | 用於排序相符項目清單的屬性。 |
ascending | 布林值，預設值為 true | 排序是否為遞增。 |
measureKey | 字串，預設值為空值 | 用於儲存每個相符項目聯結條件測量的選用屬性名稱。 |
outer | 布林值，預設值為 false | 如果設為 true，結果會包含沒有相符項目的主要資料列。 |
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：2025-07-27 (世界標準時間)。
[null,null,["上次更新時間：2025-07-27 (世界標準時間)。"],[[["\u003cp\u003ePairs elements from the first collection with matching elements from the second, adding the matches as a new property.\u003c/p\u003e\n"],["\u003cp\u003eOptionally sorts the list of matches based on a specified property and order.\u003c/p\u003e\n"],["\u003cp\u003eAllows for saving the measure of the join condition (e.g., distance or difference) on each match if specified.\u003c/p\u003e\n"],["\u003cp\u003eCan include primary elements without matches in the results by setting the \u003ccode\u003eouter\u003c/code\u003e parameter to true.\u003c/p\u003e\n"]]],["The `ee.Join.saveAll` function creates a join between two collections, pairing each element from the first with matching elements from the second. Matched elements are stored as a list under a specified `matchesKey`. Optionally, this list can be sorted by a given property (`ordering`) in ascending or descending order. If a join condition with distance or difference measures is used, the measurement values are attached using the `measureKey`. If `outer` is set to true elements from first collection without matches will be included in the result.\n"],null,["# ee.Join.saveAll\n\nReturns a join that pairs each element from the first collection with a group of matching elements from the second collection. The list of matches is added to each result as an additional property. If measureKey is specified, each match has the value of its join measure attached. Join measures are produced when withinDistance or maxDifference filters are used as the join condition.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|------------------------------------------------------------------------------------------|---------|\n| `ee.Join.saveAll(matchesKey, `*ordering* `, `*ascending* `, `*measureKey* `, `*outer*`)` | Join |\n\n| Argument | Type | Details |\n|--------------|-------------------------|-----------------------------------------------------------------------------------------|\n| `matchesKey` | String | The property name used to save the matches list. |\n| `ordering` | String, default: null | The property on which to sort the matches list. |\n| `ascending` | Boolean, default: true | Whether the ordering is ascending. |\n| `measureKey` | String, default: null | An optional property name used to save the measure of the join condition on each match. |\n| `outer` | Boolean, default: false | If true, primary rows without matches will be included in the result. |"]]
