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| const userModule = { namespaced: true, state: { profile: null, preferences: {} }, getters: { fullName: function(state) { return state.profile ? state.profile.firstName + ' ' + state.profile.lastName : ''; }, isLoggedIn: function(state) { return !!state.profile; } }, mutations: { SET_PROFILE: function(state, profile) { state.profile = profile; }, UPDATE_PREFERENCES: function(state, preferences) { state.preferences = Object.assign({}, state.preferences, preferences); }, CLEAR_USER: function(state) { state.profile = null; state.preferences = {}; } }, actions: { login: function(context, credentials) { return fetch('/api/login', { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(credentials) }) .then(function(response) { return response.json(); }) .then(function(data) { context.commit('SET_PROFILE', data.user); localStorage.setItem('token', data.token); return data; }); }, logout: function(context) { context.commit('CLEAR_USER'); localStorage.removeItem('token'); }, updatePreferences: function(context, preferences) { context.commit('UPDATE_PREFERENCES', preferences); return fetch('/api/user/preferences', { method: 'PUT', headers: { 'Content-Type': 'application/json', 'Authorization': 'Bearer ' + localStorage.getItem('token') }, body: JSON.stringify(preferences) }); } } };
const productsModule = { namespaced: true, state: { items: [], loading: false }, getters: { availableProducts: function(state) { return state.items.filter(function(product) { return product.inventory > 0; }); } }, mutations: { SET_PRODUCTS: function(state, products) { state.items = products; }, SET_LOADING: function(state, loading) { state.loading = loading; }, DECREMENT_PRODUCT_INVENTORY: function(state, productId) { const product = state.items.find(function(p) { return p.id === productId; }); if (product) { product.inventory--; } } }, actions: { fetchProducts: function(context) { context.commit('SET_LOADING', true); return fetch('/api/products') .then(function(response) { return response.json(); }) .then(function(products) { context.commit('SET_PRODUCTS', products); context.commit('SET_LOADING', false); }) .catch(function(error) { console.error('获取产品失败:', error); context.commit('SET_LOADING', false); }); } } };
const store = new Vuex.Store({ modules: { user: userModule, products: productsModule } });
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