8. A real-time communication method for resource content, the method comprising: receiving from a subscriber device, by a resource content publishing device, identification information of the subscriber device and an event topic, wherein the identification information comprises path information defining a topic path for receiving a notification event related to the selected event topic and the event topic selected by the subscriber device is a complex event topic set constituted by at least two separate event topics; adding the identification information of the subscriber device and the selected event topic to an event topic subscription search table; determining, by the resource content publishing device, if new resource content is available, whether an event topic of the new resource content belongs to the complex event topic set; creating, by the resource content publishing device, if it is determined that the event topic of the new resource content belongs to the complex event topic set, a complex event by applying a predefined rule describing a relation between the separate events related to the complex event topic set onto the new resource content, so as to send the complex event to the subscriber device after obtaining the identification information of the subscriber device; obtaining by the resource content publishing device, the identification information of a subscriber device subscribing to an event topic related to new resource content, where the identification information is obtained from the event topic subscription search table, if new resource content is available; and sending, by the resource content publishing device, a notification event comprising the new resource content to the subscriber device according to the identification information of the subscriber device.
8. A real-time communication method for resource content, the method comprising: receiving from a subscriber device, by a resource content publishing device, identification information of the subscriber device and an event topic, wherein the identification information comprises path information defining a topic path for receiving a notification event related to the selected event topic and the event topic selected by the subscriber device is a complex event topic set constituted by at least two separate event topics; adding the identification information of the subscriber device and the selected event topic to an event topic subscription search table; determining, by the resource content publishing device, if new resource content is available, whether an event topic of the new resource content belongs to the complex event topic set; creating, by the resource content publishing device, if it is determined that the event topic of the new resource content belongs to the complex event topic set, a complex event by applying a predefined rule describing a relation between the separate events related to the complex event topic set onto the new resource content, so as to send the complex event to the subscriber device after obtaining the identification information of the subscriber device; obtaining by the resource content publishing device, the identification information of a subscriber device subscribing to an event topic related to new resource content, where the identification information is obtained from the event topic subscription search table, if new resource content is available; and sending, by the resource content publishing device, a notification event comprising the new resource content to the subscriber device according to the identification information of the subscriber device. 10. The real-time communication method for resource content according to claim 8 , further comprising: using the event topic as at least part of the path name of the topic path at the subscriber device and the resource content device for receiving the event related to the same event topic.