jihe-hs/ruoyi-ui/src/store/modules/menu.js

const state = {
  recentPages: [],
  isRecentOpen:"",
  }
  
  const mutations = {
    saveRecent(state){
      localStorage.setItem("recentPages", JSON.stringify(state.recentPages));
    },

    addRecent(state, item) {
      if(state.recentPages.length == 0 ){
        state.recentPages = JSON.parse(localStorage.getItem("recentPages") || "[]");
      }
      let temp;
      state.recentPages.forEach((unit,index)=>{
        if(unit.path == item.path){
          temp = unit;
          temp.active = true;
        }else{
          unit.active = false;
        }
      });
      if (!temp){
        item.active = true;
        state.recentPages.push(item);
      }

      mutations.saveRecent(state);

    },
    openRecent(state){
      state.isRecentOpen = true;
      localStorage.setItem("isRecentOpen", true);
    },
    closeRecent(state){
      state.isRecentOpen = false;
      localStorage.setItem("isRecentOpen", false);
    },
    removeRecent(state, item) {
      let i = state.recentPages.findIndex(unit => unit.path == item.path);
      state.recentPages.splice(i, 1);
      mutations.saveRecent(state);
    }

  }
  
const getters = {
  isRecentOpen(state){
    if (state.isRecentOpen === ""){
      state.isRecentOpen = localStorage.getItem("isRecentOpen") || false;
    }
    console.log(state.isRecentOpen);
    return state.isRecentOpen;
  }
}

  export default {
    namespaced: true,
    state,
    getters,
    mutations,
  }