blockly >FieldDropdown >createTextArrow_
FieldDropdown.createTextArrow_() 方法
创建一个基于 tspan 的箭头。
Signature:
protected createTextArrow_(): void;
返回：
void
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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 `createTextArrow_()` method, part of the `FieldDropdown` class, is responsible for creating a text-based arrow. This method, denoted as `protected`, does not accept any arguments and returns nothing (`void`). Its sole function is to generate a `tspan` element that represents an arrow within the dropdown field.\n"]]