class:dialog · Puppeteer 中文文檔

# class:dialog ### class: Dialog v0.9.0 [Dialog](#?product=Puppeteer&version=v1.11.0&show=api-class-dialog "Dialog") 對象通過 ['dialog'](#?product=Puppeteer&version=v1.11.0&show=api-event-dialog) 事件的頁面分發。一個使用 `Dialog` 類的例子： ``` const puppeteer = require('puppeteer');puppeteer.launch().then(async browser => { const page = await browser.newPage(); page.on('dialog', async dialog => { console.log(dialog.message()); await dialog.dismiss(); await browser.close(); }); page.evaluate(() => alert('1'));}); ``` #### Methods - [dialog.accept(\[promptText\])](#?product=Puppeteer&version=v1.11.0&show=api-dialogacceptprompttext)v0.9.0 - [dialog.defaultValue()](#?product=Puppeteer&version=v1.11.0&show=api-dialogdefaultvalue)v0.9.0 - [dialog.dismiss()](#?product=Puppeteer&version=v1.11.0&show=api-dialogdismiss)v0.9.0 - [dialog.message()](#?product=Puppeteer&version=v1.11.0&show=api-dialogmessage)v0.9.0 - [dialog.type()](#?product=Puppeteer&version=v1.11.0&show=api-dialogtype)v0.9.0 ### Methods #### dialog.accept(\[promptText\])v0.9.0 - `promptText` <[string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type "String")> 提示中輸入的文本。如果對話框的`類型`不提示，不會產生任何影響。 - returns: <[Promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise "Promise")> Promise which resolves when the dialog has been accepted. #### dialog.defaultValue()v0.9.0 - returns: <[string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type "String")> 如果對話框出現提示，則返回默認提示值。否則，返回空字符串。 #### dialog.dismiss()v0.9.0 - returns: <[Promise](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise "Promise")> Promise which resolves when the dialog has been dismissed. #### dialog.message()v0.9.0 - returns: <[string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type "String")> 顯示在對話框中的信息。 #### dialog.type()v0.9.0 - returns: <[string](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type "String")> 對話框類型，可以是 `alert` ，`beforeunload` ，`confirm` 或 `prompt` 中的一個。 ![](images/pptr.png) puppeteer.js中文網|class:dialog puppeteer.js中文文檔, puppeteer chrome, puppeteer firefox, puppeteer api 中文文檔 puppeteer.js中文網包含了Puppeteer中文文檔，最新資訊，應用案例等。Puppeteer 是一個 Node 庫，它提供了一個高級 API 來通過 DevTools 協議控制 Chromium 或 Chrome。