first commit

server.py

@@ -0,0 +1,41 @@
+import json
+import socket
+
+# 创建socket
+sk = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+sk.bind(("0.0.0.0", 9000))
+active = []
+db = {}
+chat_msg = {}
+
+while 1:
+    print(f"当前活跃用户：{active}   当前注册用户：{db}")
+    data, addr = sk.recvfrom(2048)
+    data = json.loads(data)
+    res = {"status": 0}
+    if data["option"] == "login":
+        username = data["username"]
+        password = data["password"]
+        if username in db:
+            if db[username] == password:
+                res = {"status": 1}
+                active.append(data["username"])
+            else:
+                res = {"status": 0}
+        else:
+            res = {"status": 0}
+    elif data["option"] == "register":
+        username = data["username"]
+        password = data["password"]
+        if username in db:
+            res = {"status": 0, "msg": "用户名已存在"}
+        else:
+            db[username] = password
+            res = {"status": 1, "msg": "注册成功"}
+    elif data["option"] == "chat":
+        # 接受聊天信息，并且存入聊天临时字典
+        pass
+    elif data["option"] == "hello":
+        # 接受客户端的存活状态，如果发现临时聊天字典有该用户的未收消息，发送过去
+        pass
+    sk.sendto(json.dumps(res).encode("utf-8"), addr)