登录页面改为fxml

src/main/java/com/zhangmeng/online/exam/ui/OnlineExamApplication.java

@@ -22,7 +22,7 @@ public class OnlineExamApplication extends Application {
     public void start(Stage stage) throws IOException {
         FXMLLoader loader = new FXMLLoader(OnlineExamApplication.class.getResource("/fxml/login.fxml"));
         Parent root = loader.load();
-        LoginPage loginPage = loader.getController();
+
         Scene scene = new Scene(root);
 //        Scene scene = new Scene(new LoginPage());
         stage.setScene(scene);

src/main/java/com/zhangmeng/online/exam/ui/controller/LoginController.java

@@ -0,0 +1,208 @@
+package com.zhangmeng.online.exam.ui.controller;
+
+import com.alibaba.fastjson2.JSONObject;
+import com.zhangmeng.online.exam.ui.admin.IndexPage;
+import com.zhangmeng.online.exam.ui.admin.LoginPage;
+import com.zhangmeng.online.exam.ui.admin.PaperPage;
+import com.zhangmeng.online.exam.ui.api.ApiUtils;
+import com.zhangmeng.online.exam.ui.utils.AlertUtils;
+import com.zhangmeng.online.exam.ui.utils.HttpUtils;
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
+import javafx.concurrent.ScheduledService;
+import javafx.concurrent.Task;
+import javafx.fxml.FXML;
+import javafx.scene.Scene;
+import javafx.scene.control.Alert;
+import javafx.scene.control.Button;
+import javafx.scene.control.TextField;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
+import javafx.stage.Stage;
+import javafx.util.Duration;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author zm
+ * @date 2025/3/31 14:33
+ * @version: 1.0
+ */
+public class LoginController {
+
+    @FXML
+    public TextField username;
+
+    @FXML
+    public TextField password;
+
+    //验证码
+    @FXML
+    public ImageView captcha_image;
+
+    @FXML
+    public TextField verificationCode;
+
+    @FXML
+    public Button loginButton;
+
+    @FXML
+    public void initialize() {
+        captcha_image.setImage(new Image(ApiUtils.API_URL + "/verificationCode/generate"));
+        captcha_image.setFitHeight(30);
+        captcha_image.setFitWidth(140);
+
+        captcha_image.setOnMouseClicked(event -> {
+            captcha_image.setImage(new Image(ApiUtils.API_URL + "/verificationCode/generate"));
+        });
+
+        username.setText("admin");
+        password.setText("123456");
+
+        loginButton.setOnAction(event -> {
+            login();
+        });
+
+    }
+
+    private void login() {
+
+        //TODO 登录逻辑
+        Map<String, Object> params = new HashMap<>();
+        params.put("username", username.getText());
+        params.put("password", password.getText());
+        params.put("captcha", verificationCode.getText());
+        String response = HttpUtils.POST(ApiUtils.API_URL + "/login", params);
+        JSONObject jsonObject = JSONObject.parseObject(response);
+        if (jsonObject.getIntValue("code") == 2001) {
+            Map<String, Object> data = (Map<String, Object>) jsonObject.get("data");
+            Object token = data.get("token");
+            HttpUtils.USER_INFO.put("token", token);
+            new Thread(this::user_type).start();
+            Alert alert = AlertUtils.alert_msg(jsonObject.getString("message"));
+
+            LoginController.MyScheduledService myService = new LoginController.MyScheduledService();
+            //myService.setDelay(Duration.seconds(5));//延迟
+            myService.setPeriod(Duration.millis(500));//时间周期
+            myService.setRestartOnFailure(true);
+            myService.setMaximumFailureCount(4);//设置最大失败次数
+
+            myService.progressProperty().addListener(new ChangeListener<Number>() {
+                @Override
+                public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {
+                    System.out.println("progressProperty:" + newValue.intValue());
+                }
+            });
+
+            myService.valueProperty().addListener(new ChangeListener<Number>() {
+                @Override
+                public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {
+                    if (newValue != null) {
+                        System.out.println("progressProperty:" + newValue.intValue());
+                    }
+                }
+            });
+
+            myService.lastValueProperty().addListener(new ChangeListener<Number>() {
+                @Override
+                public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {
+
+                    if (newValue != null) {
+                        System.out.println("lastValueProperty:" + newValue.intValue());
+                        if (newValue.intValue() == 3) {
+                            myService.cancel();
+                            alert.close();
+                            success();
+                        }
+                    }
+                }
+            });
+
+            myService.start();
+
+
+        } else {
+            AlertUtils.alert_warning(jsonObject.getString("message"));
+        }
+    }
+
+    private void user_type() {
+        Map<String, Object> params = new HashMap<>();
+        params.put("token", HttpUtils.USER_INFO.get("token"));
+        String response = HttpUtils.GET(ApiUtils.API_URL + "/user/getUserInfo", params);
+        JSONObject jsonObject = JSONObject.parseObject(response);
+        if (jsonObject.getIntValue("code") == 200) {
+            Map<String, Object> data = (Map<String, Object>) jsonObject.get("data");
+            String type = data.get("type").toString();
+            HttpUtils.USER_INFO.put("type", type);
+        }
+    }
+
+    private void success() {
+        String type = HttpUtils.USER_INFO.get("type").toString();
+
+        switch (type) {
+            case "STUDENT" -> user_page();
+            case "ADMIN" -> admin_page();
+        }
+    }
+
+    private void user_page() {
+        Scene scene = loginButton.getScene();
+        Stage window = (Stage) scene.getWindow();
+        window.close();
+
+        Stage stage = new Stage();
+
+        //判断
+        PaperPage paperPage = new PaperPage();
+        scene = new Scene(paperPage, 1280, 720);
+        stage.setScene(scene);
+        stage.setTitle("在线考试系统");
+        stage.show();
+    }
+
+    private void admin_page() {
+        Scene scene = loginButton.getScene();
+        Stage window = (Stage) scene.getWindow();
+        window.close();
+
+        Stage stage = new Stage();
+        IndexPage indexPage = new IndexPage();
+
+        scene = new Scene(indexPage, 1280, 720);
+        stage.setScene(scene);
+        stage.setTitle("在线考试系统");
+        stage.show();
+    }
+
+    class MyScheduledService extends ScheduledService<Number> {
+
+        int sum = 0;
+
+        @Override
+        protected Task<Number> createTask() {
+
+            return new Task<Number>() {
+                @Override
+                protected Number call() throws Exception {
+                    sum = sum + 1;
+
+                    return sum;
+                }
+
+                @Override
+                protected void updateValue(Number value) {
+
+                    super.updateValue(value);
+//                    System.out.println("updateValue");
+                    if (value.intValue() == 10) {
+                        LoginController.MyScheduledService.this.cancel();
+                    }
+
+                }
+            };
+        }
+    }
+}

src/main/java/module-info.java

@@ -8,6 +8,8 @@ module com.zhangmeng.onlineexamui {
     requires PaginationPicker;
 
 
-    opens com.zhangmeng.online.exam.ui to javafx.fxml;
+    opens com.zhangmeng.online.exam.ui to javafx.graphics;
-    exports com.zhangmeng.online.exam.ui;
+    opens com.zhangmeng.online.exam.ui.controller to javafx.fxml;
+
+    exports com.zhangmeng.online.exam.ui.controller;
 }

src/main/resources/fxml/login.fxml

@@ -8,15 +8,15 @@
 <?import javafx.scene.layout.AnchorPane?>
 <?import javafx.scene.layout.ColumnConstraints?>
 <?import javafx.scene.layout.GridPane?>
+<?import javafx.scene.layout.HBox?>
 <?import javafx.scene.layout.RowConstraints?>
 
-<AnchorPane prefHeight="315.0" prefWidth="527.0" xmlns="http://javafx.com/javafx/19" xmlns:fx="http://javafx.com/fxml/1" >
+<AnchorPane prefHeight="354.0" prefWidth="613.0" xmlns="http://javafx.com/javafx/19" xmlns:fx="http://javafx.com/fxml/1" fx:controller="com.zhangmeng.online.exam.ui.controller.LoginController">
     <children>
-        <GridPane layoutX="485.0" layoutY="59.0" prefHeight="159.0" prefWidth="364.0" AnchorPane.bottomAnchor="97.0" AnchorPane.leftAnchor="125.0" AnchorPane.rightAnchor="42.0" AnchorPane.topAnchor="59.0">
+        <GridPane layoutX="485.0" layoutY="78.0" prefHeight="179.0" prefWidth="327.0" AnchorPane.bottomAnchor="97.0" AnchorPane.leftAnchor="125.0" AnchorPane.rightAnchor="161.0" AnchorPane.topAnchor="78.0">
             <columnConstraints>
-                <ColumnConstraints hgrow="SOMETIMES" maxWidth="229.0" minWidth="10.0" prefWidth="54.0" />
+                <ColumnConstraints hgrow="SOMETIMES" maxWidth="229.0" minWidth="10.0" prefWidth="81.0" />
-                <ColumnConstraints hgrow="SOMETIMES" maxWidth="423.0" minWidth="10.0" prefWidth="236.0" />
+                <ColumnConstraints hgrow="SOMETIMES" maxWidth="458.0" minWidth="10.0" prefWidth="276.0" />
-            <ColumnConstraints hgrow="SOMETIMES" maxWidth="423.0" minWidth="10.0" prefWidth="80.0" />
             </columnConstraints>
             <rowConstraints>
                 <RowConstraints maxHeight="174.0" minHeight="10.0" prefHeight="60.0" vgrow="SOMETIMES" />
@@ -26,14 +26,17 @@
             <children>
                 <Label text="账号" />
                 <Label text="密码" GridPane.rowIndex="1" />
-                <TextField prefHeight="23.0" prefWidth="100.0" GridPane.columnIndex="1" />
+                <TextField fx:id="username" prefHeight="26.0" prefWidth="306.0" GridPane.columnIndex="1" />
-                <PasswordField prefHeight="22.0" prefWidth="159.0" GridPane.columnIndex="1" GridPane.rowIndex="1" />
+                <PasswordField fx:id="password" prefHeight="26.0" prefWidth="266.0" GridPane.columnIndex="1" GridPane.rowIndex="1" />
             <Label text="验证码" GridPane.rowIndex="2" />
-            <TextField prefHeight="23.0" prefWidth="121.0" GridPane.columnIndex="1" GridPane.rowIndex="2" />
+            <HBox alignment="CENTER_LEFT" prefHeight="25.0" prefWidth="306.0" spacing="5.0" GridPane.columnIndex="1" GridPane.rowIndex="2">
+               <children>
+                  <TextField fx:id="verificationCode" prefHeight="27.0" prefWidth="165.0" />
+                  <ImageView fx:id="captcha_image" fitHeight="40.0" fitWidth="136.0" pickOnBounds="true" preserveRatio="true" />
+               </children>
+            </HBox>
             </children>
         </GridPane>
-          <Button layoutX="175.0" layoutY="231.0" mnemonicParsing="false" prefHeight="23.0" prefWidth="178.0" text="登录" />
+          <Button fx:id="loginButton" layoutX="213.0" layoutY="266.0" mnemonicParsing="false" prefHeight="26.0" prefWidth="188.0" text="登录" />
-      <ImageView fitHeight="23.0" fitWidth="107.0" layoutX="424.0" layoutY="183.0" pickOnBounds="true" preserveRatio="true" />
-      <ImageView fitHeight="22.0" fitWidth="107.0" layoutX="442.0" layoutY="183.0" pickOnBounds="true" preserveRatio="true" />
     </children>
 </AnchorPane>