質問編集履歴
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訂正
test
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test
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### ファイル構造
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testパッケージ直下に以下のファイル
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Login.java
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LoginController.java
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MenuController.java
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Login.fxml
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Menu.fxml
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(Login.javaのようにMenu.javaも作ったほうがいいんでしょうか・・・?)
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### プログラムソース(Login.java)
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```Java
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package testSystem;
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import javafx.application.Application;
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import javafx.fxml.FXMLLoader;
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import javafx.scene.Parent;
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import javafx.scene.Scene;
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import javafx.stage.Stage;
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public class Login extends Application {
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@Override
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public void start(Stage primaryStage) {
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try {
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//FXMLからのシーングラフの読み込み
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FXMLLoader loader = new FXMLLoader(getClass().getResource("Login.fxml"));
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Parent root = loader.load();
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//シーングラフのルートノードを設定したシーンの作成
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Scene scene = new Scene(root,600,400);
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//ステージへのシーンの設定
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primaryStage.setScene(scene);
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primaryStage.setTitle("ログイン画面");
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primaryStage.show();
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} catch(Exception e) {
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e.printStackTrace();
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}
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}
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public static void main(String[] args) {
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launch(args);
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}
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}
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```
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### プログラムソース(LoginController.java)
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```Java
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package testSystem;
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import java.net.URL;
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import java.util.ResourceBundle;
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import javafx.beans.binding.BooleanBinding;
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import javafx.event.ActionEvent;
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import javafx.fxml.FXML;
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import javafx.scene.control.Button;
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import javafx.scene.control.Hyperlink;
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import javafx.scene.control.Label;
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import javafx.scene.control.PasswordField;
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import javafx.scene.control.TextField;
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public class LoginController {
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@FXML
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private ResourceBundle resources;
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@FXML
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private URL location;
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@FXML
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private TextField id;
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@FXML
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private PasswordField passwd;
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@FXML
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private Button loginButton;
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@FXML
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private Hyperlink createLink;
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@FXML
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private Label warning;
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@FXML
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void initialize() {
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assert id != null : "fx:id=\"id\" was not injected: check your FXML file 'Login.fxml'.";
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assert passwd != null : "fx:id=\"passwd\" was not injected: check your FXML file 'Login.fxml'.";
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assert loginButton != null : "fx:id=\"loginButton\" was not injected: check your FXML file 'Login.fxml'.";
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assert createLink != null : "fx:id=\"createLink\" was not injected: check your FXML file 'Login.fxml'.";
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assert warning != null : "fx:id=\"warning\" was not injected: check your FXML file 'Login.fxml'.";
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BooleanBinding idIsEmpty = id.textProperty().isEmpty();
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BooleanBinding passwdIsEmpty = passwd.textProperty().isEmpty();
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loginButton.disableProperty().bind(idIsEmpty.or(passwdIsEmpty));
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}
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@FXML
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public void OnClick(ActionEvent event) {
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String idNumber = id.getText();
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String password = passwd.getText();
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if(idNumber.equals("test")&&password.equals("test")) {
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System.out.print("id:"+idNumber+" pass:"+password+" → ");
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System.out.println("成功");
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id.setText("");
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passwd.setText("");
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warning.setText("OK");//確認用,通常はここで画面遷移
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}
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else {
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System.out.print("id:"+idNumber+" pass:"+password+" → ");
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System.out.println("失敗");
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id.setText("");
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passwd.setText("");
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warning.setText("※正しいアカウント情報を入力してください");
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}
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}
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}
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```
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### プログラムソース(MenuController.java)
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まあ,テスト用なので遷移先の画面はまだ作っていません.
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ただ,ログイン状態からログアウトもできるようにしたいので,こちらからログイン画面(Login.fxml)へ遷移できるようにもしたいです.
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```Java
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package testSystem;
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import java.net.URL;
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import java.util.ResourceBundle;
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import javafx.fxml.FXML;
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public class MenuController {
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@FXML
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private ResourceBundle resources;
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@FXML
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private URL location;
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@FXML
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void initialize() {
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}
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}
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```
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