我想将 Console 中的输出重定向到 JavaFX TextArea,我在这里遵循一个建议:JavaFX: Redirect console output to TextArea that is created in SceneBuilder
我试图在 printstream() 中将字符集设置为 UTF-8,但是 it does not look so well。将字符集设置为 UTF-16 会有所改善,但 it is still illegible。
在 eclipse IDE 中,控制台中假设的文本输出结果很好:
KHA khởi đầu phiên giao dịch sáng nay ở mức 23600 điểm,khối lượng giao dịch trong ngày đạt 765 cổ phiếu,tương đương khoảng 18054000 đồng.
Controller.java
public class Controller {
@FXML
private Button button;
public Button getButton() {
return button;
}
@FXML
private TextArea textArea;
public TextArea getTextArea() {
return textArea;
}
private printstream printstream;
public printstream getprintstream() {
return printstream;
}
public void initialize() {
textArea.setwraptext(true);
printstream = new printstream(new UITextOutput(textArea),true,StandardCharsets.UTF_8);
} // Encoding set to UTF-8
public class UITextOutput extends OutputStream {
private TextArea text;
public UITextOutput(TextArea text) {
this.text = text;
}
public void appendText(String valueOf) {
Platform.runLater(() -> text.appendText(valueOf));
}
public void write(int b) throws IOException {
appendText(String.valueOf((char) b));
}
}
}
UI.java
public class UI extends Application {
@Override
public void start(Stage stage) {
try {
FXMLLoader loader = new FXMLLoader(getclass().getResource("Sample.fxml"));
Parent root = loader.load();
Controller control = loader.getcontroller();
stage.setTitle("Title");
stage.setScene(new Scene(root));
stage.show();
control.getButton().setOnaction(new EventHandler<actionEvent>() {
public void handle(actionEvent event) {
try {
System.setOut(control.getprintstream());
System.setErr(control.getprintstream());
System.out.println(
"KHA khởi đầu phiên giao dịch sáng nay ở mức 23600 điểm,tương đương khoảng 18054000 đồng.");
} catch (Exception e) {
e.printStackTrace();
}
}
});
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
launch(args);
}
}
示例.fxml
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.TextArea?>
<?import javafx.scene.layout.BorderPane?>
<BorderPane prefHeight="339.0" prefWidth="468.0" xmlns:fx="http://javafx.com/fxml/1" xmlns="http://javafx.com/javafx/11.0.1" fx:controller="main.Controller">
<center>
<TextArea fx:id="textArea" prefHeight="200.0" prefWidth="200.0" BorderPane.alignment="CENTER" />
</center>
<right>
<Button fx:id="button" mnemonicParsing="false" onaction="#getButton" text="Button" BorderPane.alignment="CENTER" />
</right>
</BorderPane>
我还是 Java 新手,所以我不熟悉 printstream 或 OutputStream 的工作原理。请原谅我的无知。
感谢每一个建议。