javafx gridpane显示网格线
时间: 2023-08-31 18:12:51 浏览: 122
要在JavaFX的GridPane中显示网格线,您可以使用CSS样式为单元格和行列设置边框。
以下是一个示例,它将为GridPane中的每个单元格设置边框和背景颜色,并在行和列之间添加灰色网格线:
```java
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.layout.GridPane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
public class GridPaneExample extends Application {
@Override
public void start(Stage primaryStage) {
GridPane gridPane = new GridPane();
gridPane.setPadding(new Insets(10));
gridPane.setHgap(10);
gridPane.setVgap(10);
// Add some labels to the grid
for (int row = 0; row < 4; row++) {
for (int col = 0; col < 4; col++) {
Label label = new Label("Cell (" + row + "," + col + ")");
label.setStyle("-fx-border-color: black; -fx-background-color: lightgray;");
gridPane.add(label, col, row);
}
}
// Add column and row constraints to show grid lines
for (int i = 0; i < 4; i++) {
gridPane.getColumnConstraints().add(new ColumnConstraints(100));
gridPane.getRowConstraints().add(new RowConstraints(50));
gridPane.setStyle("-fx-grid-lines: solid gray;");
}
primaryStage.setScene(new Scene(gridPane, 500, 300));
primaryStage.show();
}
public static void main(String[] args) {
launch(args);
}
}
```
在这个示例中,我们使用`-fx-border-color`和`-fx-background-color`属性为每个单元格设置边框和背景颜色。然后,我们添加列和行约束以显示网格线,并使用`-fx-grid-lines`属性为网格设置灰色实线。