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Vuex:Computed property "comps" was assigned to but it has no setter.

书坊尚 2021-09-24 阅读 65

项目中控制台报错如下:


compsvuex里的全局状态:

computed: {
        ...mapGetters(["comps"])
}

查了半天,发现其他地方对comps进行了重新赋值操作:

 this.comps=[];

感谢大米的评论,确实是不能违背vuex的原则,state的改变只能在mutationsactions中完成,在 mutationsactions中分别加了changeComps方法:

   mutations: {
        changeComps(state, paramsObj) {
            state.comps = paramsObj.comps;
        }
    },
    actions: {
        changeComps({ commit, rootState }, paramsObj) {
            commit('changeComps', paramsObj)
        }
    }

通过dispatch分发就可以了:

     this.$store.dispatch("changeComps", {
            comps: this.comps,
     });
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