// store/index.js export const state = () => ({ isMenuChecked: false, // 记录菜单是否展开的状态 }); export const mutations = { toggleMenu(state) { state.isMenuChecked = !state.isMenuChecked; console.log('state.isMenuChecked:', state.isMenuChecked); } }; export const actions = { toggleMenu({ commit }) { commit('toggleMenu'); // 调用 mutation 切换菜单状态 }, };