Class Choice
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
Choice
與支援選項的 Item
類型 (例如 CheckboxItem
、ListItem
或 MultipleChoiceItem
) 相關聯的單一選項。
// Create a new form and add a multiple-choice item.
const form = FormApp.create('Form Name');
const item = form.addMultipleChoiceItem();
item.setTitle('Do you prefer cats or dogs?').setChoices([
item.createChoice('Cats', FormApp.PageNavigationType.CONTINUE),
item.createChoice('Dogs', FormApp.PageNavigationType.RESTART),
]);
// Add another page because navigation has no effect on the last page.
form.addPageBreakItem().setTitle('You chose well!');
// Log the navigation types that each choice results in.
const choices = item.getChoices();
for (let i = 0; i < choices.length; i++) {
Logger.log(
'If the respondent chooses "%s", the form will %s.',
choices[i].getValue(),
choices[i].getPageNavigationType(),
);
}
內容詳盡的說明文件
getValue()
取得選項的值,作答者在查看表單時會看到該值做為標籤。
回攻員
String
- 選擇的值
授權
使用這個方法的腳本需要具備下列一或多個範圍的授權:
-
https://www.googleapis.com/auth/forms.currentonly
-
https://www.googleapis.com/auth/forms
isCorrectAnswer()
取得選擇是否為問題的正確答案。這個方法只適用於測驗中的題目;如果是測驗以外的表單,則會傳回 false。
回攻員
Boolean
:選擇的選項是否為正確答案。
授權
使用這個方法的腳本需要具備下列一或多個範圍的授權:
-
https://www.googleapis.com/auth/forms.currentonly
-
https://www.googleapis.com/auth/forms
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上次更新時間:2025-07-26 (世界標準時間)。
[null,null,["上次更新時間:2025-07-26 (世界標準時間)。"],[[["\u003cp\u003eA Choice object represents a single selection option within Google Forms items like checkboxes, lists, and multiple-choice questions.\u003c/p\u003e\n"],["\u003cp\u003eChoices can be associated with specific navigation actions, like continuing to the next page or restarting the form, using \u003ccode\u003ePageNavigationType\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eYou can retrieve a choice's display value (what the user sees) and determine if it's marked as a correct answer (for quizzes) using dedicated methods.\u003c/p\u003e\n"],["\u003cp\u003eChoice objects are integral for defining response options and controlling form flow based on user selections.\u003c/p\u003e\n"]]],[],null,["# Class Choice\n\nChoice\n\nA single choice associated with a type of [Item](/apps-script/reference/forms/item) that supports choices, like [CheckboxItem](/apps-script/reference/forms/checkbox-item), [ListItem](/apps-script/reference/forms/list-item), or [MultipleChoiceItem](/apps-script/reference/forms/multiple-choice-item).\n\n```javascript\n// Create a new form and add a multiple-choice item.\nconst form = FormApp.create('Form Name');\nconst item = form.addMultipleChoiceItem();\nitem.setTitle('Do you prefer cats or dogs?').setChoices([\n item.createChoice('Cats', FormApp.PageNavigationType.CONTINUE),\n item.createChoice('Dogs', FormApp.PageNavigationType.RESTART),\n]);\n\n// Add another page because navigation has no effect on the last page.\nform.addPageBreakItem().setTitle('You chose well!');\n\n// Log the navigation types that each choice results in.\nconst choices = item.getChoices();\nfor (let i = 0; i \u003c choices.length; i++) {\n Logger.log(\n 'If the respondent chooses \"%s\", the form will %s.',\n choices[i].getValue(),\n choices[i].getPageNavigationType(),\n );\n}\n``` \n\n### Methods\n\n| Method | Return type | Brief description |\n|-----------------------------------------------------|-------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| [getGotoPage()](#getGotoPage()) | [PageBreakItem](/apps-script/reference/forms/page-break-item) | Gets the [PageBreakItem](/apps-script/reference/forms/page-break-item) set as a [GO_TO_PAGE](/apps-script/reference/forms/page-navigation-type) destination if the responder selects this choice and completes the current page. |\n| [getPageNavigationType()](#getPageNavigationType()) | [PageNavigationType](/apps-script/reference/forms/page-navigation-type) | Gets the [PageNavigationType](/apps-script/reference/forms/page-navigation-type) that occurs if the responder selects this choice and completes the current page. |\n| [getValue()](#getValue()) | `String` | Gets the choice's value, which respondents see as a label when viewing the form. |\n| [isCorrectAnswer()](#isCorrectAnswer()) | `Boolean` | Gets whether the choice is a correct answer for the question. |\n\nDetailed documentation\n----------------------\n\n### `get``Goto``Page()`\n\nGets the [PageBreakItem](/apps-script/reference/forms/page-break-item) set as a [GO_TO_PAGE](/apps-script/reference/forms/page-navigation-type) destination\nif the responder selects this choice and completes the current page. This method applies only\nto choices associated with [MultipleChoiceItems](/apps-script/reference/forms/multiple-choice-item); for other choices,\nit returns `null`.\n\n#### Return\n\n\n[PageBreakItem](/apps-script/reference/forms/page-break-item) --- the [GO_TO_PAGE](/apps-script/reference/forms/page-navigation-type) destination for this choice, or `null` if there is none\n\n#### Authorization\n\nScripts that use this method require authorization with one or more of the following [scopes](/apps-script/concepts/scopes#setting_explicit_scopes):\n\n- `https://www.googleapis.com/auth/forms.currentonly`\n- `https://www.googleapis.com/auth/forms`\n\n*** ** * ** ***\n\n### `get``Page``Navigation``Type()`\n\nGets the [PageNavigationType](/apps-script/reference/forms/page-navigation-type) that occurs if the responder selects this choice and\ncompletes the current page. This method applies only to choices associated with [MultipleChoiceItems](/apps-script/reference/forms/multiple-choice-item); for other choices, it returns `null`.\n\n#### Return\n\n\n[PageNavigationType](/apps-script/reference/forms/page-navigation-type) --- the navigation action for this choice, or `null` if there is none\n\n#### Authorization\n\nScripts that use this method require authorization with one or more of the following [scopes](/apps-script/concepts/scopes#setting_explicit_scopes):\n\n- `https://www.googleapis.com/auth/forms.currentonly`\n- `https://www.googleapis.com/auth/forms`\n\n*** ** * ** ***\n\n### `get``Value()`\n\nGets the choice's value, which respondents see as a label when viewing the form.\n\n#### Return\n\n\n`String` --- the choice's value\n\n#### Authorization\n\nScripts that use this method require authorization with one or more of the following [scopes](/apps-script/concepts/scopes#setting_explicit_scopes):\n\n- `https://www.googleapis.com/auth/forms.currentonly`\n- `https://www.googleapis.com/auth/forms`\n\n*** ** * ** ***\n\n### `is``Correct``Answer()`\n\nGets whether the choice is a correct answer for the question. This method only applies to\nquestions that are part of a quiz; for non-quiz forms, it returns false.\n\n#### Return\n\n\n`Boolean` --- Whether the choice is a correct answer.\n\n#### Authorization\n\nScripts that use this method require authorization with one or more of the following [scopes](/apps-script/concepts/scopes#setting_explicit_scopes):\n\n- `https://www.googleapis.com/auth/forms.currentonly`\n- `https://www.googleapis.com/auth/forms`"]]