uniapp 在App端和微信小程序端热更新

hotUpdate() {
                //热更新 plus只适合于手机上 不能用于h5,小程序
                // 热更新不会更新app的版本号
                // 这里用一个常量定义（每次修改版本号将设置里面的版本号手动更新）
 
                //plus.runtime.getProperty(),获取本机安装的版本，具体使用请参照如下链接    
                //https://www.html5plus.org/doc/zh_cn/runtime.html#plus.runtime.WidgetInfo
                // plus.runtime.getProperty(plus.runtime.appid, function(widgetInfo) {
 
                // });  
                // #ifdef APP-PLUS
                 
                uni.downloadFile({
                    url: "http://10.128.5.64:8082/104.wgt",
                    success: (res) => {
                        if (res.statusCode === 200) {
                            //console.log("下载完毕,临时保存路径是", res.tempFilePath);
                            uni.saveFile({
                                tempFilePath: res.tempFilePath,
                                success: (res) => {
                                    //console.log("文件已保存至", res.savedFilePath);
 
                                    plus.runtime.install(res.savedFilePath, null, (res) => {
 
                                        uni.showModal({
                                            title: '安装成功！',
                                            content: '已重新进入应用',
                                            success: function(res) {
                                                if (res.confirm) {
                                                    // 应用热重启，重新启动进入首页。
                                                    plus.runtime.restart();
                                                    //console.log('用户点击确定');
                                                } else if (res.cancel) {
                                                    //console.log('用户点击取消');
                                                }
                                            }
                                        });
                                    }, (err) => {
                                        console.log(err);
                                        uni.showToast({
                                            title: '安装失败',
                                            icon: 'none'
                                        });
                                    });
                                },
                                fail: (err) => {
                                    console.log("文件保存失败" + err);
                                }
                            })
                        }
 
                    },
                    fail: (err) => {
                        console.log("下载失败");
                        console.log(err);
                    }
                })
                // #endif
 
                // #ifdef MP-WEIXIN || H5
                /////////////////////////////小程序上传新的版本后 代码自动触发，不需要开发者触发//////////
                if (wx.canIUse('getUpdateManager')) {
                    const updateManager = wx.getUpdateManager()
                    updateManager.onCheckForUpdate(function(res) {
                        // console.log('onCheckForUpdate====', res)
                        // 请求完新版本信息的回调
                        if (res.hasUpdate) {
                            // console.log('res.hasUpdate====')
                            updateManager.onUpdateReady(function() {
                                wx.showModal({
                                    title: '更新提示',
                                    content: '新版本已经准备好，是否重启应用？',
                                    success: function(res) {
                                        // console.log('success====', res)
                                        // res: {errMsg: "showModal: ok", cancel: false, confirm: true}
                                        if (res.confirm) {
                                            // 新的版本已经下载好，调用 applyUpdate 应用新版本并重启
                                            updateManager.applyUpdate()
                                        }
                                    }
                                })
                            })
                            updateManager.onUpdateFailed(function() {
                                // 新的版本下载失败
                                wx.showModal({
                                    title: '已经有新版本了哟~',
                                    content: '新版本已经上线啦~，请您删除当前小程序，重新搜索打开哟~'
                                })
                            })
                        }
                    })
                }
                // #endif
            }