记录用户在线时长

src/app.ts

@@ -1,6 +1,4 @@
-import Taro, { setGlobalDataPlugin, useDidShow, useLaunch, useLoad, usePullDownRefresh } from '@tarojs/taro'
-import { Component, PropsWithChildren, useEffect, useState } from 'react'
-// import 'taro-ui/dist/style/index.scss'
+import Taro, { useDidShow, useLaunch, useDidHide } from '@tarojs/taro'
 import "taro-ui/dist/style/components/accordion.scss";
 import "taro-ui/dist/style/components/icon.scss";
 import './app.less'
@@ -8,6 +6,7 @@ import './app.less'
 export default function App(props: any) {
   useDidShow(()=>{
     console.log('进入小程序并登录')
+    Taro.setStorageSync('EntryTime', Date.now()) // 记录进入小程序的时间
     Taro.login({
       success:function(res) {
         console.log('微信登录成功', res.code)
@@ -38,6 +37,27 @@ export default function App(props: any) {
     })
   })
 
+  useDidHide(() => {
+    const time = Taro.getStorageSync('EntryTime')
+    if (time) {
+      const duration = parseInt(((Date.now() - time) / 1000).toString())
+      Taro.request({
+        method: 'POST',
+        url: 'https://interapi.jm-kid.com/api/user/online/duration',
+        header: {
+          authorization: `bearer ${Taro.getStorageSync('UserToken')}`
+        },
+        data: {
+          timestamp: Date.now(),
+          duration
+        },
+        success: (res: any) => {
+          console.log('小程序离开：', res, duration)
+        }
+      })
+    }
+  })
+
   useLaunch(()=>{
     const updateManager = Taro.getUpdateManager()
     updateManager.onCheckForUpdate(function (res) {