app.vue

<script>
    import {
        baseUrl,
        cms_version
    } from '@/api/api.js';
    export default {
        onLaunch: function() {
            console.log('App Launch');
            let that = this
            // #ifdef APP-PLUS
            plus.runtime.getProperty(plus.runtime.appid, wgtinfo => {
                let version = wgtinfo.version;
                let type = '';
                if (uni.getSystemInfoSync().platform == 'ios') {
                    type = 1;
                } else if (uni.getSystemInfoSync().platform == 'android') {
                    type = 2;
                }
                cms_version({}).then(res => {
                    if (res.code == 200 && res.data.appVersion != version) {
                        if (res.data.isForcedUpdate == 1) {
                            that._install(res.data);
                        } else {
                            uni.showModal({
                                title: '提示',
                                content: '检测到系统有更新，是否升级？',
                                success: function(r) {
                                    if (r.confirm) {
                                        that._install(res.data);
                                    } else if (r.cancel) {
                                        console.log('用户点击取消');
                                    }
                                }
                            });
                        }
                    }
                    // else {
                    //      uni.showToast({
                    //          title: '已经是最新版本',
                    //          icon: 'none'
                    //      });
                    //  }
                });
            });
            // #endif
        },
        onShow: function() {
            console.log('App Show')
        },
        onHide: function() {
            console.log('App Hide')
        },
        methods: {
            _install(item) {
                //安装新版本
                console.log('安装新版本', item);
                plus.nativeUI.showWaiting('更新中...');
                var url = item.downUrl; //更新包地址
                // var url = "http://qlty.jidnfei.cn/file/apk/app.wgt"; //更新包地址
                let that = this;
                var dtask = plus.downloader.createDownload(url, {}, function(d, status) {
                    plus.nativeUI.closeWaiting();
                    if (status == 200) {
                        uni.showToast({
                            icon: 'none',
                            title: '正在准备环境，请稍后！',
                            duration: 2000
                        });
                        setTimeout(function() {
                            var path = d.filename; //下载apk
                            //plus.runtime.install()
                            plus.runtime.install(
                                path, {
                                    force: true
                                },
                                function() {
                                    var str = '更新成功,请手动重启';
                                    if (plus.os.name.toLowerCase() == 'ios') {
                                        str = '更新成功，将自动重启';
                                    }
                                    plus.nativeUI.alert(str, function() {
                                        if (plus.os.name.toLowerCase() == 'ios') {
                                            plus.runtime.restart();
                                        } else {
                                            plus.runtime.quit();
                                        }
                                    });
                                },
                                function(ttt) {
                                    plus.nativeUI.toast('更新失败', {
                                        verticalAlign: 'center'
                                    });
                                }
                            ); // 自动安装apk文件
                        }, 100);
                    } else {
                        plus.downloader.clear();
                        plus.nativeUI.alert('资源包下载失败:' + status);
                    }
                });
                dtask.start();
            },
        }
    }
</script>

<style lang="scss">
    /* 官方uni.css */
    @import '/common/uni.css';
    /* 动画库 */
    @import '/common/animate.min.css';
    /* icon. */
    @import '/common/icon.css';
    /* 自定义css */
    @import '/common/common.scss';
    @import "uview-ui/index.scss";

    page {
        background: #F4F4F4;
    }
</style>