Smart class data acquisition method based on xAPI and system thereof
A smart classroom and data acquisition technology, applied in transmission systems, data processing applications, instruments, etc., can solve problems such as difficult data fusion and sharing, poor data versatility, and data isolation, and achieve power saving, easy expansion, and traffic saving Effect
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[0143] S1, the teacher-side application logs in, establishes a connection with the MQTT server, subscribes to the topic "teacher", and monitors the messages sent by the MQTT server. The teacher end communicates with the student end by sending a message to the topic "all students".
[0144] S2, the student-side application logs in, establishes a connection with the MQTT server, subscribes to the topic "all students", and monitors the messages sent by the MQTT server. The student end communicates with the teacher end by sending a message to the topic "teacher".
[0145] S3, the teacher terminal initiates the classroom activity to start the class, and collects the information at the beginning of the class, and reports it to the data statistics server after the package is completed.
[0146] S4, if the teacher end initiates a classroom roll call activity, the teacher end first sends a roll call message through the MQTT server, and then the student end obtains the roll call messag...
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