App({ globalData: { nonetwork: false //判斷是否有網(wǎng)絡(luò) }, onShow() { this.onNetworkStatusChange() //開啟檢測 }, onNetworkStatusChange() { var that = this //獲取網(wǎng)絡(luò)類型 wx.getNetworkType({ success: function (res) { const networkType = res.networkType //不為none代表有網(wǎng)絡(luò) if ('none' != networkType) { that.globalData.nonetwork = true //網(wǎng)絡(luò)狀態(tài)變化事件的回調(diào)函數(shù) 開啟網(wǎng)絡(luò)監(jiān)聽,監(jiān)聽小程序的網(wǎng)絡(luò)變化 wx.onNetworkStatusChange(function (res) { if (res.isConnected) { //網(wǎng)絡(luò)變?yōu)橛芯W(wǎng) that.globalData.nonetwork = true } else { //網(wǎng)絡(luò)變?yōu)闊o網(wǎng) that.globalData.nonetwork = false } }) } else { //無網(wǎng)狀態(tài) wx.onNetworkStatusChange(function (res) { if (res.isConnected) { that.globalData.nonetwork = true } else { that.globalData.nonetwork = false } }) } }, }) } }) |
app.js
const app = getApp() Page({ data: { nonetwork: false }, onLoad() { //判斷是否網(wǎng)絡(luò) if (app.globalData.nonetwork) { this.setData({ nonetwork: true }) //添加轉(zhuǎn)圈 wx.showLoading({ title: "獲取數(shù)據(jù)中!" }); } else { this.setData({ nonetwork: false }) wx.showToast({ title: '請連接網(wǎng)絡(luò)', icon: 'none', duration: 2000 }) } }, doRefresh() { //無網(wǎng)絡(luò)的刷新 this.onLoad() } }) |
index.js
<view wx:if="{{nonetwork}}"> 內(nèi)容 </view> <view wx:else> <button bindtap="doRefresh">刷新</button> </view> |
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