68 lines
1.9 KiB
JavaScript
68 lines
1.9 KiB
JavaScript
import updateManager from './common/updateManager';
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var util = require('utils/util.js');
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var api = require('config/api.js');
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App({
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onLaunch: function () {
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wx.$api = api
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wx.$util = util
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// 展示本地存储能力
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var logs = wx.getStorageSync('logs') || []
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logs.unshift(Date.now())
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wx.setStorageSync('logs', logs)
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// 登录
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wx.login({
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success: (res) => {
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util.request(api.AuthLoginByWeixin, {
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code: res.code
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}, 'POST').then(function (res) {
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console.log('App Launch')
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if (res.code === 1) {
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let userInfo = res.data.userinfo;
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wx.setStorageSync('token', res.data.token);
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wx.setStorageSync('userInfo', userInfo);
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}
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});
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},
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});
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//启动未读消息轮询（tabbar红点）
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this.startUnreadPolling();
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},
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onShow: function () {
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updateManager();
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//从后台切回前台，立即刷新未读红点
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this.refreshUnread();
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},
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onHide: function () {},
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globalData: {
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unread: 0, //未读消息数（tabbar红点共享缓存）
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},
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/**
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* 未读消息轮询：小程序前台每10s刷新一次底部tabbar红点
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* （切后台后JS执行会被系统挂起，定时器自然暂停，回前台由onShow立即补一次）
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*/
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startUnreadPolling: function () {
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if (this.unreadTimer) {
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return;
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}
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this.unreadTimer = setInterval(() => {
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this.refreshUnread();
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}, 10000);
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},
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/**
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* 刷新当前 tab 页 tabbar 实例的红点（非tab页无tabbar实例，自动跳过）
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*/
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refreshUnread: function () {
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if (!wx.getStorageSync('token')) {
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return;
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}
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const page = getCurrentPages().pop();
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const tabBar = page && typeof page.getTabBar === 'function' ? page.getTabBar() : null;
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if (tabBar && typeof tabBar.refreshUnread === 'function') {
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tabBar.refreshUnread();
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}
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},
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});
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