■ WebView 클래스의 EvaluateJavaScriptAsync 메소드를 사용해 자바 스크립트를 실행하는 방법을 보여준다.
▶ MainPage.xaml
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<?xml version="1.0" encoding="utf-8" ?> <ContentPage x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/dotnet/2021/maui" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"> <Grid Margin="10" RowDefinitions="Auto,10,*"> <Grid Grid.Row="0" ColumnDefinitions="*,10,Auto"> <Entry x:Name="valueEntry" Grid.Column="0" /> <Button x:Name="calculateButton" Grid.Column="2" WidthRequest="100" Text="계산" /> </Grid> <WebView x:Name="webView" Grid.Row="2"> <WebView.Source> <HtmlWebViewSource> <HtmlWebViewSource.Html> <![CDATA[ <html> <body> <script type="text/javascript"> function factorial(num) { if(num === 0 || num === 1) { return 1; } for(var i = num - 1; i >= 1; i--) { num *= i; } return num; } </script> <h1>.NET MAUI</h1> <p>Welcome to WebView.</p> </body> </html> ]]> </HtmlWebViewSource.Html> </HtmlWebViewSource> </WebView.Source> </WebView> </Grid> </ContentPage> |
▶ MainPage.xaml.cs
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namespace TestProject; /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : ContentPage { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); this.calculateButton.Clicked += calculateButton_Clicked; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 계산 버튼 클릭시 처리하기 - calculateButton_Clicked(sender, e) /// <summary> /// 계산 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private async void calculateButton_Clicked(object sender, EventArgs e) { int value = int.Parse(this.valueEntry.Text); string result = await this.webView.EvaluateJavaScriptAsync($"factorial({value})"); await DisplayAlert("INFORMATION", $"Factorial of {value} is {result}.", "확인"); } #endregion } |
