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。
blockly >屏蔽 >getParent
Block.getParent() 方法
返回父块;如果此块位于顶层,则返回 null。父块可以是连接到前一个连接的块(对于语句块),也可以是连接到输出连接的块(对于值块)。
Signature:
getParent(): this | null;
返回:
本次 |null
用于存放当前块的块(如果有)。
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):2025-07-25。
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC):2025-07-25。"],[],["The `Block.getParent()` method retrieves the parent block of a given block. It returns either the parent block instance or `null` if the block is at the top level. The parent is determined by the block's connection: the previous connection for statement blocks or the output connection for value blocks. The method's signature indicates it returns either `this` (the parent block) or `null`.\n"]]