Field.getValidator() 方法
获取可编辑字段的验证函数；如果未设置，则返回 null。
Signature:
getValidator(): FieldValidator<T> | null;
返回：
FieldValidator<T>|null
验证函数或 null。
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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 `Field.getValidator()` method retrieves the validation function for editable fields. If a validation function is set, it returns a `FieldValidator\u003cT\u003e`. If no validation function is set, it returns `null`. The validation function is used to validate the input of the editable fields. The method itself does not perform any validation, only retrieves it.\n"]]