setWrapText（true）不适用于JavaFX中的Label

问题描述

我在javafx中创建了一个标签，其中包含大量文字。

I created a Label in javafx which has a contains a lot of text.

Label l1 = new Label("\t\tC-Mark and Attendance Calculator is a simple "
            + "software to find both the C-Mark and monthly attendance "
            + "of students. Inorder to use the features of this software,"
            + " user has to create an account for him first. Then he should "
            + "login using the username and password. He will be able to "
            + "perform all the operations then. Further details are mentioned"
            + " in the 'HELP' section in the user home page.");
l1.setWrapText(true);
l1.setTextAlignment(TextAlignment.JUSTIFY);

在此代码中 setWrapText（true）是不工作为什么？我怎样才能使它工作？

In this code setWrapText(true) is not working. Why? How can I make it work?

推荐答案

Label l1 = new Label("\t\tC-Mark and Attendance Calculator is a simple "
                + "software to find both the C-Mark and monthly attendance "
                + "of students. Inorder to use the features of this software,"
                + " user has to create an account for him first. Then he should "
                + "login using the username and password. He will be able to "
                + "perform all the operations then. Further details are mentioned"
                + " in the 'HELP' section in the user home page.");
        l1.setWrapText(true);
        l1.setTextAlignment(TextAlignment.JUSTIFY);

这是一个SSCCE：

import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.layout.StackPane;
import javafx.scene.text.TextAlignment;
import javafx.stage.Stage;

public class WrappedLabelExample extends Application {

    @Override
    public void start(Stage primaryStage) {
        Label l1 = new Label("\t\tC-Mark and Attendance Calculator is a simple "
                + "software to find both the C-Mark and monthly attendance "
                + "of students. Inorder to use the features of this software,"
                + " user has to create an account for him first. Then he should "
                + "login using the username and password. He will be able to "
                + "perform all the operations then. Further details are mentioned"
                + " in the 'HELP' section in the user home page.");
        l1.setWrapText(true);
        l1.setTextAlignment(TextAlignment.JUSTIFY);

        StackPane root = new StackPane(l1);
        root.setPadding(new Insets(10));
        Scene scene = new Scene(root, 400, 400);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}

导致

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