Solve the problem that El radio group cannot be edited after echo

For deep structure data

First of all, we know that in vue in , We don't need to worry about data binding , For example, in data There is one of them. msg The variable of , You can modify it , So on the page ,msg The content of will change automatically . But if for a complex object , For example, an array of objects , You can directly add attributes to an element in the array , Or just put the... Of the array length become 0,vue You can't know what has changed .

VUE Project use this.$forceUpdate(); Solution page v-for Revision in China item Property value page v-if The problem of not changing . add to this.$forceUpdate(); Force rendering , Effect of implementation . Search for information and get results ： Because there are so many levels of data ,render Function is not updated automatically , Manual forced refresh is required .