import {mapState} from 'vuex'export default { data(){ return { oldData: 0 } } computed: mapState({ count: state => state.count, newData(){ return this.oldData + 1; } })}
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import {mapState} from 'vuex'
export default {
data() {
return { //你这里少写了
oldData: 0
}
}
computed: {
...mapState(["count"]),
newData(){
return this.oldData + 1;
}
}
}
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