Gui按钮不会单击javaFX
我的项目是计算器。我提供了0按钮函数,将0注册到TextField,但它不起作用。有些聪明人有解决办法Gui按钮不会单击javaFX,java,button,javafx,Java,Button,Javafx,我的项目是计算器。我提供了0按钮函数,将0注册到TextField,但它不起作用。有些聪明人有解决办法 public void start(Stage primaryStage) throws Exception{ primaryStage.setTitle("This is a caculator"); TextArea result = new TextArea("This is where the result will be"); result.setPrefSize(
public void start(Stage primaryStage) throws Exception{
primaryStage.setTitle("This is a caculator");
TextArea result = new TextArea("This is where the result will be"); result.setPrefSize(480,50); result.setLayoutX(10); result.setLayoutY(65);
TextField textField = new TextField(); textField.setPrefSize(480,50); textField.setLayoutX(10); textField.setLayoutY(10);
Button button1 = new Button("1"); button1.setPrefSize(100,50); button1.setTranslateX(30); button1.setTranslateY(140);
Button button2 = new Button("2"); button2.setPrefSize(100,50); button2.setTranslateX(150); button2.setTranslateY(140);
Button button3 = new Button("3"); button3.setPrefSize(100,50); button3.setTranslateX(270); button3.setTranslateY(140);
Button button4 = new Button("4"); button4.setPrefSize(100,50); button4.setTranslateX(30); button4.setTranslateY(210);
Button button5 = new Button("5"); button5.setPrefSize(100,50); button5.setTranslateX(150); button5.setTranslateY(210);
Button button6 = new Button("6"); button6.setPrefSize(100,50); button6.setTranslateX(270); button6.setTranslateY(210);
Button button7 = new Button("7"); button7.setPrefSize(100,50); button7.setTranslateX(30); button7.setTranslateY(280);
Button button8 = new Button("8"); button8.setPrefSize(100,50); button8.setTranslateX(150); button8.setTranslateY(280);
Button button9 = new Button("9"); button9.setPrefSize(100,50); button9.setTranslateX(270); button9.setTranslateY(280);
Button button0 = new Button("0"); button0.setPrefSize(100,50); button0.setTranslateX(150); button0.setTranslateY(350);
Button buttonPlus = new Button("+"); buttonPlus.setPrefSize(100,50); buttonPlus.setTranslateX(390); buttonPlus.setTranslateY(210);
Button buttonMinus = new Button("-"); buttonMinus.setPrefSize(100,50); buttonMinus.setTranslateX(390); buttonMinus.setTranslateY(280);
Button buttonMulti = new Button("*"); buttonMulti.setPrefSize(100,50); buttonMulti.setTranslateX(390); buttonMulti.setTranslateY(350);
Button buttonDivide = new Button("/"); buttonDivide.setPrefSize(100,50); buttonDivide.setTranslateX(270);buttonDivide.setTranslateY(350);
Button buttonClear = new Button("C"); buttonClear.setPrefSize(100,50); buttonClear.setTranslateX(390); buttonClear.setTranslateY(140);
Button buttonResult = new Button("="); buttonResult.setPrefSize(100,50); buttonResult.setTranslateX(30); buttonResult.setTranslateY(350);
Button virus = new Button("Install the deadly virus"); virus.setPrefSize(450,50); virus.setTranslateX(30);virus.setTranslateY(430);
Pane pane = new Pane(textField,result,button1,button2,button3,buttonClear,button4,button5,button6,buttonPlus,button7,button8,button9,buttonMinus,buttonMulti,buttonDivide,button0,buttonResult,virus);
button0.setOnAction(event -> textField.setText("0"));
Scene scene = new Scene(pane,500,500);
scene.getStylesheets().add("sample/css/Style.css");
primaryStage.setScene(scene);
primaryStage.show();
}
好吧,我假设你想要附加它,连接它,将它添加到末尾(所有的意思都一样)
两者都会产生相同的结果,但我更喜欢第一个,更优雅。好吧,我假设您想要附加它,连接它,将它添加到末尾(所有的意思都一样)
两者的效果相同,但我更喜欢第一个,更优雅。你必须继续“但它不起作用”。。。据我所见,它完全按照你的要求去做。它对我来说就像预期的那样工作。按
按钮0
将文本字段的文本设置为“0”。您的意思是它不会连续添加0吗?例如,您必须执行textField.setText(textField.getText()+“0”)
您必须展开“但它不工作”。。。据我所见,它完全按照你的要求去做。它对我来说就像预期的那样工作。按按钮0
将文本字段的文本设置为“0”。您的意思是它不会连续添加0吗?例如,您必须执行textField.setText(textField.getText()+“0”)
button0.setOnAction(e -> button0.appendText("0");
// // // OR // // //
button0.setOnAction(e -> button0.setText(button0.getText() + "0");