topfans/frontend/App.vue
2026-06-16 15:19:53 +08:00

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Vue
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<script>
import { getGlobalSocket } from '@/utils/socket'
import { emitAppReturnFromBackground } from '@/utils/backgroundRefreshBus.js'
// 记录上次隐藏时间的 storage key
const HIDE_TIME_KEY = 'app_last_hide_time'
export default {
onLaunch: function() {
console.log('App Launch')
// 不在这里初始化 AI Chat 连接,由各页面自行管理
},
onShow: function() {
console.log('App Show')
this.handleBackgroundReturn()
},
onHide: function() {
console.log('App Hide')
// 关闭所有 WebSocket 连接
this.closeWebSocket()
// 记录切到后台的时间,用于 onShow 时判断是否"从后台返回"
uni.setStorageSync(HIDE_TIME_KEY, Date.now())
},
methods: {
initWebSocket() {
const token = uni.getStorageSync('access_token')
if (token) {
console.log('初始化全局 WebSocket 连接')
const globalSocket = getGlobalSocket()
globalSocket.init(token)
}
},
closeWebSocket() {
console.log('关闭全局 WebSocket 连接')
const globalSocket = getGlobalSocket()
globalSocket.closeAll()
},
/**
* 处理"从后台切回前台"事件
* 通过 storage 中的上次隐藏时间判断本次 onShow 是否由后台返回触发
* 若是,则通知所有订阅了 useBackgroundRefresh 的页面执行刷新
*/
handleBackgroundReturn() {
const lastHide = uni.getStorageSync(HIDE_TIME_KEY) || 0
if (!lastHide) return
// 清理标记,避免下次普通 onShow如首次启动误触发
uni.removeStorageSync(HIDE_TIME_KEY)
// 时间异常保护
if (Date.now() - lastHide < 0) return
emitAppReturnFromBackground()
}
}
}
</script>
<template>
<view class="app-container">
</view>
</template>
<style>
/*每个页面公共css */
/* 引入 TheMiladiatorRegular 字体 */
@font-face {
font-family: 'TheMiladiatorRegular';
src: url('/static/fonts/The Miladiator Regular.ttf') format('truetype');
font-weight: normal;
font-style: normal;
font-display: swap;
}
/* 引入 ZaoZiGongFangJianHei-1 字体 */
@font-face {
font-family: 'ZaoZiGongFangJianHei-1';
src: url('/static/fonts/ZaoZiGongFangJianHei-1.ttf') format('truetype');
font-weight: normal;
font-style: normal;
font-display: swap;
}
/* 引入 ZaoZiGongFangJianHei-1 字体 */
@font-face {
font-family: 'JDLTYuanTiJian';
src: url('/static/fonts/JDLTYuanTiJian.ttf') format('truetype');
font-weight: normal;
font-style: normal;
font-display: swap;
}
/* 圆体 JDLTYuanTiJian.ttf 在部分 Android WebView 上报 OTS/cmap 解析失败,暂不 @font-face 加载,避免控制台告警与渲染异常 */
/* 全局字体设置 */
body {
font-family:
'JDLTYuanTiJian',
-apple-system,
BlinkMacSystemFont,
'PingFang SC',
'Hiragino Sans GB',
'Microsoft YaHei',
'Noto Sans SC',
sans-serif;
}
/* App 容器 */
.app-container {
width: 100%;
min-height: 100vh;
position: relative;
}
.page-content {
width: 100%;
min-height: 100vh;
}
</style>