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vuex mutations 怎么使用公用方法

input绑定v-model,先通过state赋值给v-model,修改后重新保存到v-model中, mutations里面写的保存方法,怎样使3个input框公用一个方法呢

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使用展开运算符

  update (state, obj) {
    state.runner= {...state.runner, ...obj}
  }

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