Lesson16 BorderPane方位布局类

BorderPane在上，左，右，底部和中间位置摆放孩子

方位布局类 BorderPane 如果其中的某个方位没有组件,会被其他组件挤占空间

中间优先挤占四周,顶部和底部会优先挤占左右;

    AnchorPane ap1 = new AnchorPane();
    ap1.setPrefWidth(100);
    ap1.setPrefHeight(100);
    ap1.setStyle("-fx-background-color: #7FFFD4");

    AnchorPane ap2 = new AnchorPane();
    ap2.setPrefWidth(100);
    ap2.setPrefHeight(100);
    ap2.setStyle("-fx-background-color: #C1FFC1");

    AnchorPane ap3 = new AnchorPane();
    ap3.setPrefWidth(100);
    ap3.setPrefHeight(100);
    ap3.setStyle("-fx-background-color: #458B00");

    AnchorPane ap4 = new AnchorPane();
    ap4.setPrefWidth(100);
    ap4.setPrefHeight(100);
    ap4.setStyle("-fx-background-color:#EE82EE");

    AnchorPane ap5 = new AnchorPane();
    ap5.setPrefWidth(100);
    ap5.setPrefHeight(100);
    ap5.setStyle("-fx-background-color: #FFDAB9");
    
    BorderPane bor = new BorderPane();
    bor.setTop(ap1);//设置顶部
    bor.setBottom(ap2);//设置底部
    bor.setLeft(ap3);//设置左边
    bor.setRight(ap4);//设置右边
    bor.setCenter(ap5);//设置中间

    Scene scene = new Scene(bor);
    primaryStage.setScene(scene);
    primaryStage.setTitle("lesson16");
    primaryStage.setWidth(800);
    primaryStage.setHeight(800);
    primaryStage.show();