### 检测升级 ``` data() { return { platform: '', version: '' }; }, onLaunch: function() { // #ifdef APP-PLUS // 锁定屏幕方向 // plus.screen.lockOrientation('portrait-primary'); //锁定 // 检测升级 var self = this; uni.getSystemInfo({ success: function(res) { self.platform = res.platform; } }); plus.runtime.getProperty(plus.runtime.appid, function(inf) { global.version = inf.version }); var data = { version: global.version, os: this.platform }; var url = global.host + '/update/checkversion'; // console.log(data); // console.log(url); uni.request({ url: url, //检查更新的服务器地址 // dataType:"GET", data: data, success: res => { // console.log(res); if (res.data.code == 1 && res.data.isUpdate) { // 提醒用户更新 uni.showModal({ // title: '当前版本' + this.version, content: res.data.note ? res.data.note : '是否更新', success: showResult => { if (showResult.confirm) { plus.runtime.openURL(res.data.data.url); } } }); } } }); // #endif } ```