实现显示屏。

SystemHandler.py

@@ -69,8 +69,32 @@ class SystemHandler:
             return wlan.ifconfig()
         except Exception as e:
             print(f"连接 WiFi 时出错: {e}")
+            system.connect_to_stored_wifi()
             return None
-
+    def save_wifi_config(self,data):
+        """保存 WiFi 配置"""
+        ssid, password = data.get('ssid'), data.get('password')
+        try:
+            if ssid and password:
+                wifi_list = shared_vars.config_manager.get("wifi.list", [])
+                for wifi in wifi_list:
+                    if wifi['ssid'] == ssid:
+                        wifi['password'] = password
+                        print(f"更新 WiFi 配置: {ssid}, {password}")
+                        shared_vars.config_manager.set("wifi.list", wifi_list)
+                        break
+                else:
+                    shared_vars.config_manager.append_to_list("wifi.list", {'ssid': ssid, 'password': password})
+                    print(f"保存 WiFi 配置: {ssid}, {password}")
+                
+                return True
+            else:
+                print("SSID 或密码无效")
+                return False
+        except Exception as e:
+            print(f"保存 WiFi 配置时出错: {e}")
+            return False
+        
     def get_system_time(self,data):
         """获取系统时间"""
         try: