Getters参数列表

getters:{
  count(state, getters, rootState, rootGetters){
    //...
    return 
  }
}

Mutations参数列表

mutations:{
  doMutation(state, payload){
      //...
      state.someData = payload.someData
  }
}

Actions参数列表

actions:{
  doSth({state, rootState, getters, rootGetters, dispatch, commit}, ...args){
    //args为调用该函数传入的参数列表
    dispatch("moduleName/moduleAction", {...args}, {root:true});
  }
}