查询是否需要热更新
getupdate() {
            var that = this;
            this.$minApi
                .updateconf()
                .then(res => {
                    console.log(res);
                    console.log('检测更新');
                    if (res.data) {
                        that.getHotUpdate(res.data);
                    }
                })
                .catch(err => {
                    console.log(err);
                });
        },

Version uniapp 版本号对比判断是否更新

        // 热更新
        getHotUpdate(data) {
        //对比版本号
            let test_v = Version(plus.runtime.version, data.hotupdate_version);
            console.log(plus.runtime.version)
            if (!test_v && data.android_download2_url) {
                console.log('有热更新下载热更新文件')
                uni.downloadFile({
                    url: data.android_download2_url,
                    success: downloadResult => {
                        if (downloadResult.statusCode === 200) {
                            plus.runtime.install(
                                downloadResult.tempFilePath,
                                {
                                    force: false
                                },
                                function() {
                                    console.log('install success...');
                                    // 记录热更新文件的版本号
                                    uni.setStorageSync('version2', data.hotupdate_version);
                                    uni.showModal({
                                        title: 'app更新已就绪是否立即更新',
                                        content: '',
                                        success: showResult => {
                                            if (showResult.confirm) {
                                                plus.runtime.restart();
                                            }
                                        }
                                    });
                                },
                                function(e) {
                                    console.error('install fail...');
                                }
                            );
                        }
                    }
                });
            }
        },