B: page
uni.$emit('updateData', 1)
uni.navigateBack({
delta: 1
})
A: page
let that = this
uni.$on('updateData', function(data) {
that.cut = data
})
B: page
uni.$emit('updateData', 1)
uni.navigateBack({
delta: 1
})
A: page
let that = this
uni.$on('updateData', function(data) {
that.cut = data
})