defines a message type object, corresponding to key and value.
typeTexts: {
"task": "",
"item":"",
"system": "",
"schedule": "",
"people": ""
}
key, will come from the background, such as
"go_task","task_start","task_step_01","task_end","close_task",typeTexts tasktasktask
The item and system that follow are similar. How does the front end judge the data coming from the background?