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我測試這個代碼:無法加載CSS
LayoutSample.java
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.layout.FlowPane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;
public class LayoutSample extends Application
{
public static void main(String[] args)
{
launch(LayoutSample.class, args);
}
@Override
public void start(Stage stage)
{
FlowPane flow = new FlowPane();
flow.setPadding(new Insets(5, 5, 5, 5));
flow.setVgap(5);
flow.setHgap(5);
flow.setPrefWrapLength(170); // preferred width allows for two columns
flow.setStyle("-fx-background-color: white;");
//ImageView pages[] = new ImageView[8];
for (int i = 0; i < 28; i++)
{
// pages[i] = new ImageView(
// new Image(LayoutSample.class.getResourceAsStream(
// "graphics/chart_" + (i + 1) + ".png")));
flow.getChildren().add(generateRectangle());
}
Scene scene = new Scene(flow);
/////
String cssURL = "ButtonsDemo.css";
String css = this.getClass().getResource(cssURL).toExternalForm();
scene.getStylesheets().add(css);
////
stage.setScene(scene);
stage.setTitle("Layout Sample");
stage.show();
}
public Rectangle generateRectangle()
{
Rectangle rect2 = new Rectangle(10, 10, 10, 10);
rect2.setId("app");
rect2.setArcHeight(8);
rect2.setArcWidth(8);
rect2.setFill(Color.AZURE);
//rect2.setX(10);
//rect2.setY(160);
rect2.setStrokeWidth(1);
rect2.setStroke(Color.BLACK);
rect2.setWidth(220);
rect2.setHeight(180);
return rect2;
}
}
ButtonsDemo.css
#app {
-fx-background-color:
linear-gradient(to bottom, #f2f2f2, #d4d4d4);
}
但CSS代碼不在Rectangle上呈現。你能告訴我這是正確的Java代碼。我懷疑我不是設置矩形標識。