ADD file via upload

SecurityCamera.java

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+/**
+ * 安全摄像头类
+ * 实现了Monitored和Alarmable接口，具有监控和报警功能
+ */
+public class SecurityCamera implements Monitored, Alarmable {
+    private String name;
+    private boolean isMonitoring;
+    private int alarmSensitivity;
+    private boolean isAlarmTriggered;
+    
+    /**
+     * 构造函数
+     * @param name 摄像头名称
+     */
+    public SecurityCamera(String name) {
+        this.name = name;
+        this.isMonitoring = false;
+        this.alarmSensitivity = 5; // 默认灵敏度为5
+        this.isAlarmTriggered = false;
+    }
+    
+    @Override
+    public void startMonitoring() {
+        if (!isMonitoring) {
+            isMonitoring = true;
+            System.out.println(name + " 开始监控");
+        } else {
+            System.out.println(name + " 已经在监控中");
+        }
+    }
+    
+    @Override
+    public void stopMonitoring() {
+        if (isMonitoring) {
+            isMonitoring = false;
+            System.out.println(name + " 停止监控");
+        } else {
+            System.out.println(name + " 已经停止监控");
+        }
+    }
+    
+    @Override
+    public String getMonitoringStatus() {
+        return name + " 监控状态: " + (isMonitoring ? "正在监控" : "未监控");
+    }
+    
+    @Override
+    public void triggerAlarm() {
+        if (!isAlarmTriggered) {
+            isAlarmTriggered = true;
+            System.out.println(name + " 报警已触发! 灵敏度级别: " + alarmSensitivity);
+        } else {
+            System.out.println(name + " 报警已经在触发状态");
+        }
+    }
+    
+    @Override
+    public void stopAlarm() {
+        if (isAlarmTriggered) {
+            isAlarmTriggered = false;
+            System.out.println(name + " 报警已停止");
+        } else {
+            System.out.println(name + " 报警已经停止");
+        }
+    }
+    
+    @Override
+    public void setAlarmSensitivity(int level) {
+        if (level >= 1 && level <= 10) {
+            this.alarmSensitivity = level;
+            System.out.println(name + " 报警灵敏度已设置为: " + level);
+        } else {
+            System.out.println("灵敏度必须在1-10之间");
+        }
+    }
+    
+    /**
+     * 获取摄像头名称
+     * @return 摄像头名称
+     */
+    public String getName() {
+        return name;
+    }
+}