front-end/jdApp/src/mixins/autoUpdate.js

import { getApkVersion } from '@/api/auth'
import { IMGHOST } from '@/config'
export default {
	data() {
		return {
            version:0
		};
	},
    onLoad(){
        // #ifdef APP-PLUS
        plus.runtime.getProperty(plus.runtime.appid,(wgtinfo)=>{
            this.version = wgtinfo.versionCode
        });
        uni.getSystemInfo({
            success:(res) => {
                //检测当前平台，如果是安卓则启动安卓更新
                if(res.platform=="android"){
                    this.androidCheckUpdate()
                }
            }
        })
        // #endif
    },
	methods: {
        androidCheckUpdate(){
            getApkVersion().then(res=>{
                console.log(res)
                if(res.code == 1){
                    let version = res.data.version
                    let mustUpdate = res.data.mustUpdate
                    let updateText = res.data.updateText ? res.data.updateText : '现在更新？'
                    let singer = mustUpdate == 1 ? true : false
                    if(version <= this.version){
                        return false
                    }
                    if(plus.networkinfo.getCurrentType()!=3){
                        let that = this
                        that.$util.confirmModal({content:updateText,title:'有新版本可更新',cancelText:'稍后',okText:'用流量更新'},() => {
                          this.install(version)
                        })
                    }else{
                        let that = this
                        that.$util.confirmModal({content:updateText,title:'有新版本可更新',singer:singer,okText:'更新'},() => {
                          this.install(version)
                        })
                    }
                }
            })
        },
        install(version){
            uni.showToast({ title: '后台下载中...', mask: false, duration: 1200,icon:"none"})
            console.log(IMGHOST+'/apk/ghs/'+version+'.apk')
            var dtask = plus.downloader.createDownload( IMGHOST+'/apk/ghs/'+version+'.apk', {}, function ( d, status ) {
                // 下载完成
                if ( status == 200 ) {
                    plus.runtime.install(plus.io.convertLocalFileSystemURL(d.filename),{},{},function(error){
                        uni.showToast({ title: '安装失败', mask: false, duration: 1500,icon:"none" })
                    })
                } else {
                    uni.showToast({ title: '更新失败', mask: false, duration: 1500,icon:"none" })
                }
            });
            dtask.start()
        }
	}
}