编写如下:
1、首先打开自己安装的Eclipse软件。
2、然后选择File->New->JavaProject。
3、然后找到工程打开,右击src选择->New->Class。
4、填入类名,选择下面的publicstaticvoidmain(String[]args)。
5、然后写入代码publicclassDemo{publicstaticvoidmain(String[]args){//TODOAuto-generatedmethodstubSystem.out.println(HelloWorld)。
6、点击上面的运行按钮,点击确认,可以看到代码运行结果。
等等我写下。你看看怎么样
import javafx.application.Applicationimport javafx.geometry.Pos
import javafx.scene.Scene
import javafx.scene.control.Button
import javafx.scene.control.ComboBox
import javafx.scene.control.TextField
import javafx.scene.layout.BorderPane
import javafx.scene.layout.GridPane
import javafx.scene.layout.HBox
import javafx.scene.layout.Pane
import javafx.scene.layout.VBox
import javafx.stage.Stage
public class Login extends Application{
public static void main(String[] args) {
Application.launch(args)
}
@Override
public void start(Stage primaryStage) throws Exception {
BorderPane loginPane = new BorderPane()
HBox btnBox = new HBox()
VBox content = new VBox()
ComboBox<String> loginType = new ComboBox<>()
loginType.getItems().addAll("student", "teacher")
loginType.setStyle("-fx-color: red")
loginType.setValue("student")
loginType.autosize()
ComboBox<String> classNum = new ComboBox<>()
classNum.getItems().addAll("班级一", "新建班级")
classNum.setStyle("-fx-color: red")
classNum.setValue("班级一")
ComboBox<String> chanelNum = new ComboBox<>()
chanelNum.getItems().addAll("01", "02","03", "04"
,"05", "06","07", "08","09", "10","11", "12"
,"13", "14","15", "16","17", "18","19", "20"
,"21", "22","23", "24","25", "26","27", "28"
,"29", "30","31")
chanelNum.setStyle("-fx-color: red")
chanelNum.setValue("01")
TextField loginName = new TextField()
TextField loginPassword = new TextField()
Button btnLogin = new Button("登录")
Button btnCancel = new Button("取消")
content.getChildren().add(loginType)
content.getChildren().add(loginName)
content.getChildren().add(loginPassword)
content.getChildren().add(classNum)
content.getChildren().add(chanelNum)
btnBox.getChildren().add(btnLogin)
btnBox.getChildren().add(btnCancel)
btnBox.setAlignment(Pos.CENTER)
loginPane.setCenter(content)
loginPane.setBottom(btnBox)
primaryStage.setScene(new Scene(loginPane,400,400))
primaryStage.setTitle("登录")
primaryStage.show()
}
}