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  | import Vue from 'vue' 
 |  import Vuex from 'vuex' 
 |    
 |  Vue.use(Vuex) 
 |  const userInfo = uni.getStorageSync('userInfo'); 
 |    
 |  const store = new Vuex.Store({ 
 |       
 |      state: { 
 |          userInfo: userInfo || null      // 用户信息 
 |      }, 
 |      mutations: { 
 |          // 设置用户信息 
 |          setUserInfo(state, val) { 
 |              state.userInfo = val 
 |              uni.setStorageSync('userInfo', val); 
 |          } 
 |      }, 
 |       
 |      actions: { 
 |          // 获取状态高度 
 |          getHeight(context) { 
 |              let res = uni.getMenuButtonBoundingClientRect() 
 |              let status = uni.getSystemInfoSync() 
 |              var height = res.height 
 |              let statusbarHeight = status.statusBarHeight 
 |              let navHeight = res.height + (res.top - statusbarHeight) * 2; 
 |              context.commit('setHeight', { statusbarHeight, navHeight, height }) 
 |          } 
 |      } 
 |       
 |  }) 
 |    
 |  export default store; 
 |  
  |