减少App.vue的代码依赖，优化获取顶部自定义导航栏的高度信息

App.vue

@@ -1,79 +1,8 @@
 <script>
   import Vue from 'vue'
-  import store from './store/index.js'
-  import updateCustomBarInfo from './tuniao-ui/libs/function/updateCustomBarInfo.js'
   
 	export default {
 		onLaunch: function() {
-			uni.getSystemInfo({
-			  success: function(e) {
-			    // #ifndef H5
-			    // 获取手机系统版本
-			    const system = e.system.toLowerCase()
-			    const platform = e.platform.toLowerCase()
-			    // 判断是否为ios设备
-			    if (platform.indexOf('ios') != -1 && (system.indexOf('ios') != -1 || system.indexOf('macos') != -1)) {
-			      Vue.prototype.SystemPlatform = 'apple'
-			    } else if (platform.indexOf('android') != -1 && (system.indexOf('android') != -1)) {
-			      Vue.prototype.SystemPlatform = 'android'
-			    } else {
-			      Vue.prototype.SystemPlatform = 'devtools'
-			    }
-			    // #endif
-			  }
-			})
-      
-      // 获取设备的状态栏信息和自定义顶栏信息
-      // store.dispatch('updateCustomBarInfo')
-      updateCustomBarInfo().then((res) => {
-        store.commit('$tStore', {
-          name: 'vuex_status_bar_height',
-          value: res.statusBarHeight
-        })
-        store.commit('$tStore', {
-          name: 'vuex_custom_bar_height',
-          value: res.customBarHeight
-        })
-      })
-			
-			// #ifdef MP-WEIXIN
-			//更新检测
-			if (wx.canIUse('getUpdateManager')) {
-			  const updateManager = wx.getUpdateManager();
-			  updateManager && updateManager.onCheckForUpdate((res) => {
-			    if (res.hasUpdate) {
-			      updateManager.onUpdateReady(() => {
-			        uni.showModal({
-			          title: '更新提示',
-			          content: '新版本已经准备就绪，是否需要重新启动应用？',
-			          success: (res) => {
-			            if (res.confirm) {
-			              uni.clearStorageSync() // 更新完成后刷新storage的数据
-			              updateManager.applyUpdate()
-			            }
-			          }
-			        })
-			      })
-			
-			      updateManager.onUpdateFailed(() => {
-			        uni.showModal({
-			          title: '已有新版本上线',
-			          content: '小程序自动更新失败，请删除该小程序后重新搜索打开哟~~~',
-                showCancel: false
-			        })
-			      })
-			    } else {
-			      //没有更新
-			    }
-			  })
-			} else {
-			  uni.showModal({
-			    title: '提示',
-			    content: '当前微信版本过低，无法使用该功能，请更新到最新的微信后再重试。',
-          showCancel: false
-			  })
-			}
-      // #endif
 		},
 		onShow: function() {
 			// console.log('App Show')

tuniao-ui/components/tn-nav-bar/tn-nav-bar.vue

@@ -175,16 +175,7 @@
     },
     mounted() {
       // 获取vuex中的自定义顶栏的高度
-      let customBarHeight = this.vuex_custom_bar_height
-      let statusBarHeight = this.vuex_status_bar_height
-      // 如果获取失败则重新获取
-      if (!customBarHeight) {
-        this.$t.updateCustomBar()
-        customBarHeight = this.vuex_custom_bar_height
-        statusBarHeight = this.vuex_status_bar_height
-      }
-      this.customBarHeight = customBarHeight
-      this.statusBarHeight = statusBarHeight
+      this.updateNavBarInfo()
     },
     created() {
       // 获取胶囊信息
@@ -196,6 +187,32 @@
       // #endif
     },
     methods: {
+      // 更新导航栏的高度
+      async updateNavBarInfo() {
+        // 获取vuex中的自定义顶栏的高度
+        let customBarHeight = this.vuex_custom_bar_height
+        let statusBarHeight = this.vuex_status_bar_height
+        // 如果获取失败则重新获取
+        if (!customBarHeight) {
+          try {
+            const navBarInfo = await this.$t.updateCustomBar()
+            customBarHeight = navBarInfo.customBarHeight
+            statusBarHeight = navBarInfo.statusBarHeight
+          } catch(e) {
+            setTimeout(() => {
+              this.updateNavBarInfo()
+            }, 10)
+            return
+          }
+        }
+        
+        // 更新vuex中的导航栏信息
+        this && this.$t.vuex('vuex_status_bar_height', statusBarHeight)
+        this && this.$t.vuex('vuex_custom_bar_height', customBarHeight)
+        
+        this.customBarHeight = customBarHeight
+        this.statusBarHeight = statusBarHeight
+      },
       // 处理返回事件
       async handlerBack() {
         if (this.beforeBack && typeof(this.beforeBack) === 'function') {

tuniao-ui/libs/function/updateCustomBarInfo.js

@@ -1,8 +1,8 @@
 /**
  * 更新自定义顶部导航栏的高度
  */
-async function updateCustomBarInfo () {
-  return await new Promise((resolve, reject) => {
+function updateCustomBarInfo () {
+  return new Promise((resolve, reject) => {
     uni.getSystemInfo({
       success: (e) => {
         let statusBarHeight = 0
@@ -27,8 +27,6 @@ async function updateCustomBarInfo () {
         statusBarHeight = e.statusBarHeight
         customBarHeight = e.statusBarHeight + e.titleBarHeight
         // #endif
-        this && this.$t.vuex('vuex_status_bar_height', statusBarHeight)
-        this && this.$t.vuex('vuex_custom_bar_height', customBarHeight)
         resolve({
           statusBarHeight,
           customBarHeight
@@ -36,8 +34,6 @@ async function updateCustomBarInfo () {
       },
       fail: (err) => {
         console.log("获取设备信息失败", err);
-        this && this.$t.vuex('vuex_status_bar_height', 0)
-        this && this.$t.vuex('vuex_custom_bar_height', 0)
         reject()
       }
     })