[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["缺少我需要的資訊","missingTheInformationINeed","thumb-down"],["過於複雜/步驟過多","tooComplicatedTooManySteps","thumb-down"],["過時","outOfDate","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["示例/程式碼問題","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-07-26 (世界標準時間)。"],[[["\u003cp\u003eThe Lock service in Apps Script helps prevent conflicts when multiple users or processes access shared resources.\u003c/p\u003e\n"],["\u003cp\u003eIt provides different types of locks: Document Lock, Script Lock, and User Lock, each controlling access at various levels.\u003c/p\u003e\n"],["\u003cp\u003eLocks can be acquired, released, and checked for status using methods like \u003ccode\u003etryLock\u003c/code\u003e, \u003ccode\u003ereleaseLock\u003c/code\u003e, and \u003ccode\u003ehasLock\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eTimeouts can be set while acquiring locks to avoid indefinite waiting using methods like \u003ccode\u003etryLock\u003c/code\u003e and \u003ccode\u003ewaitLock\u003c/code\u003e.\u003c/p\u003e\n"]]],["The service provides a mechanism to prevent concurrent code access, crucial for shared resource modification. `LockService` offers methods like `getDocumentLock`, `getScriptLock`, and `getUserLock` to acquire different types of locks. The `Lock` class manages the lock itself, with methods like `hasLock` to check if a lock has been obtained, `releaseLock` to release it, and `tryLock` and `waitLock` to acquire a lock with a timeout.\n"],null,[]]