添加工具类

App.vue

@@ -1,14 +1,8 @@
 <script>
 export default {
-  onLaunch: function() {
-    console.log('App Launch')
-  },
-  onShow: function() {
-    console.log('App Show')
-  },
-  onHide: function() {
-    console.log('App Hide')
-  }
+  onLaunch: function() {},
+  onShow: function() {},
+  onHide: function() {}
 }
 </script>
 

common/expands/Route.js

@@ -0,0 +1,9 @@
+function Back (duration = 1500) {
+  setTimeout(() => {
+    uni.navigateBack()
+  }, duration)
+}
+
+export default {
+  Back
+}

common/expands/Toast.js

@@ -0,0 +1,9 @@
+function Toast(title, icon = 'none', options) {
+  uni.showToast({
+    title,
+    icon,
+    ...options
+  })
+}
+
+export default Toast

common/expands/index.js

@@ -0,0 +1,8 @@
+import Toast from './Toast.js'
+import Route from './Route.js'
+
+export default function install (Vue) {
+  Vue.prototype.$toast = Toast
+  for (let key in Route) Vue.prototype[`$${key}`.toLowerCase()] = Route[key]
+}
+

common/mixins/readme.txt

@@ -0,0 +1 @@
+mixin 放这里

main.js

@@ -1,20 +1,23 @@
 import App from './App'
 
-import uView from 'uview-ui';
-Vue.use(uView);
+import uView from 'uview-ui'
+Vue.use(uView)
+
+import Expands from '@/common/expands/index.js'
+Vue.use(Expands)
 
 // #ifndef VUE3
 import Vue from 'vue'
 Vue.config.productionTip = false
 App.mpType = 'app'
 const app = new Vue({
-    ...App
+  ...App
 })
 app.$mount()
 // #endif
 
 // #ifdef VUE3
-import { createSSRApp } from 'vue'
+import {createSSRApp} from 'vue'
 export function createApp() {
   const app = createSSRApp(App)
   return {