完成基本功能转移

src/main/java/com/yutou/napcat/QQDatabase.java

@@ -0,0 +1,54 @@
+package com.yutou.napcat;
+
+import com.yutou.napcat.model.FriendBean;
+import com.yutou.napcat.model.GroupBean;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class QQDatabase {
+    private static Map<Long, Object> data = new HashMap<>();
+
+    @Getter
+    @Setter
+    private static FriendBean me;
+
+    public static void addUser(Long qq, FriendBean bean) {
+        data.put(qq, bean);
+    }
+
+    public static void addGroup(Long qq, GroupBean bean) {
+        data.put(qq, bean);
+    }
+
+    public static boolean checkFriend(Long qq) {
+        if (data.containsKey(qq)) {
+            return data.get(qq) instanceof FriendBean;
+        }
+        return false;
+    }
+
+    public static boolean checkGroup(Long qq) {
+        if (data.containsKey(qq)) {
+            return data.get(qq) instanceof GroupBean;
+        }
+        return false;
+    }
+
+    public static List<GroupBean> getGroups() {
+        List<GroupBean> numbers = new ArrayList<>();
+        for (Long qq : data.keySet()) {
+            if (data.get(qq) instanceof GroupBean) {
+                {
+                    numbers.add((GroupBean) data.get(qq));
+                }
+            }
+        }
+        return numbers;
+    }
+
+}