我下载了Ace editor并将其放入我的本地计算机。我使用JavaFX使用WebView
加载它。这是非常好的,但我如何检索编写的代码? (致Java String
)
答案 0 :(得分:4)
只需通过调用
执行Javascripteditor.getValue()
即可
String code = (String)webView.getEngine().executeScript("editor.getValue()");
完整示例:
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.BorderPane;
import javafx.scene.web.WebView;
import javafx.stage.Stage;
public class AceEditorExample extends Application {
@Override
public void start(Stage primaryStage) {
WebView webView = new WebView();
webView.getEngine().load(getClass().getResource("Ace.html").toExternalForm());
Button saveButton = new Button("Save");
saveButton.setOnAction(e -> {
String code = (String) webView.getEngine().executeScript("editor.getValue()");
System.out.println(code);
});
BorderPane.setAlignment(saveButton, Pos.CENTER);
BorderPane.setMargin(saveButton, new Insets(10));
primaryStage.setScene(new Scene(new BorderPane(webView, null, null, saveButton, null), 800, 600));
primaryStage.show();
}
public static void main(String[] args) {
launch(args);
}
}
使用Ace.html(例如):
<!DOCTYPE html>
<html lang="en">
<head>
<title>ACE in Action</title>
<style type="text/css" media="screen">
#editor {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
}
</style>
</head>
<body>
<h2>Edit code</h2>
<div id="editor">
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.BorderPane;
import javafx.scene.web.WebView;
import javafx.stage.Stage;
public class AceEditorExample extends Application {
@Override
public void start(Stage primaryStage) {
WebView webView = new WebView();
webView.getEngine().load(getClass().getResource("Ace.html").toExternalForm());
Button saveButton = new Button("Save");
saveButton.setOnAction(e -> {
String code = (String) webView.getEngine().executeScript("editor.getValue()");
System.out.println(code);
});
BorderPane.setAlignment(saveButton, Pos.CENTER);
BorderPane.setMargin(saveButton, new Insets(10));
primaryStage.setScene(new Scene(new BorderPane(webView, null, null, saveButton, null), 800, 600));
primaryStage.show();
}
public static void main(String[] args) {
launch(args);
}
}
</div>
<script src="ace-builds/src-noconflict/ace.js" type="text/javascript" charset="utf-8"></script>
<script>
var editor = ace.edit("editor");
editor.getSession().setMode("ace/mode/java");
</script>
</body>
</html>