uni-app 统计2.0配置微信小程序平台导致内存耗尽崩溃

uni-app 统计2.0配置微信小程序平台导致内存耗尽崩溃

产品分类

uniapp/小程序/微信

开发环境信息

示例代码

async onLoad(options) {
    let that = this;
    uni.hideTabBar(); //隐藏原生tabbar  
    // uni.getNetworkType({  
    //  success: function(res) {  
    //      console.log("network:", res.networkType);  
    //  }  
    // });  

    // uni.onNetworkStatusChange(this.onNetworkStatusChange)  

    // #ifdef MP-WEIXIN  
    // wx.onBackgroundFetchData(() => {  

    // })  
    wx.getBackgroundFetchData({
        fetchType: 'pre',  
        success(res) {  
            // console.log("fetchedData:",res) // 缓存数据  
            that.record = JSON.parse(res.fetchedData).data  
        },  
        fail(err){  
            console.log("err:",err)   
        }  
    })  
    // #endif  

},  
onReachBottom() { //滚动到底翻页  
    // this.$refs.udb.loadMore()  
},  
onReady() {  
    // #ifdef MP-WEIXIN  
    const windowInfo = wx.getWindowInfo()  
    this.windowWidth = windowInfo.screenWidth  
    // console.log("windowWidth：", windowInfo)  
    // #endif  
    // #ifndef MP-WEIXIN              
    uni.getSystemInfo({  
        success: (res) => {  
            let cha = res.screenWidth - 1320  
            // #ifdef H5  
            this.windowWidth = res.screenWidth - cha;  
            // #endif  
            // #ifndef H5  
            this.windowWidth = res.screenWidth  
            // #endif  

        },  
    });  
    // #endif  
},  
async onShow() {  
    let that = this;
    // this.tabBerLists = uni.getStorageSync('tabBarList') // 自定义的tabbar赋值  
    // console.log("hasmore", that.hasMore)  
    let token = uni.getStorageSync('uni_id_token')  
    // console.log("Token", token)  
    if (token) {  
        let resuser = await db.collection("uni-id-users").where({  
                token: token  
            })  
            .field({  
                username: true,  
                userType: true,  
                realName: true,  
                wx_openid: true,  
                identitycard: true  
            })  
            .get()  
        // console.log("resuser", resuser)  

        if (resuser.data.length == 1) {  
            let userdata = resuser.data[0]  
            getApp().globalData.userName = userdata.username  
            getApp().globalData.realName = userdata.realName  
            getApp().globalData.userType = userdata.userType  
            getApp().globalData.adminType = userdata.userType  
            getApp().globalData.openid = userdata.wx_openid ? userdata.wx_openid.mp : ''  
            //未读消息  
            // console.log("userName:", getApp().globalData.userName)  
            var count = await db.collection('Messages')  
                .where({  
                    messageSend: getApp().globalData.userName,  
                    isRead: false  
                }).count()  
            // console.log("count:", count)  
            getApp().globalData.unreadMessages = count.total  
            //通过manager更新  
            let resmanager = await db.collection("Managers").where({  
                    userName: userdata.username  
                })  
                .get()  
            if (resmanager.data.length > 0) {  
                resmanager = resmanager.data[0]  
                getApp().globalData.adminType = resmanager.adminType  
                getApp().globalData.userDept = resmanager.department  
                getApp().globalData.adminLevel = resmanager.adminType  
                getApp().globalData.scopeCompany = resmanager.scopeCompany  
                getApp().globalData.division = resmanager.division  
                getApp().globalData.position = resmanager.position  
            }  

            if (resuser.data[0].userType == '供应商') {  
                getApp().globalData.userDept = '供应商'  

            }  
            if (resuser.data[0].userType == '管理员') {  
                that.$store.commit('setRoleId', 1)  
                getApp().globalData.setRoleId = 1  
                that.tabBerLists = uni.getStorageSync('tabBarList') // 自定义的tabbar赋值  
                if (that.tabBerLists.length == 4) {  
                    that.currenttab = 3  
                    that.tabBerLists[2].mark = getApp().globalData.unreadMessages  

                }  
            } else {  
                that.$store.commit('setRoleId', 0)  
                getApp().globalData.setRoleId = 0  
                that.tabBerLists = uni.getStorageSync('tabBarList')  
                if (that.tabBerLists.length == 4) {  
                    that.currenttab = 3  
                    that.tabBerLists[1].mark = getApp().globalData.unreadMessages  
                }  
            }  
        } else if (resuser.data.length == 0) {  
            uni.navigateTo({  
                url: "/pagessub/ucenter/pages/login/login-withpwd"  
            })  
        }  

    } else {  
        console.log("user has no token")  
        uni.showToast({  
            title: "未登录",  
            icon: 'none'  
        })  
        that.$store.commit('setRoleId', 0)  
        getApp().globalData.setRoleId = 0  
        that.tabBerLists = uni.getStorageSync('tabBarList')  
        if (that.tabBerLists.length == 4) {  
            that.currenttab = 3  
        }  
    }  

    // #ifndef MP-WEIXIN  
    let resp = await db.collection('Projects')  
        .where({  
            isShow: true  
        })  
        .orderBy('flag', 'desc')  
        .get()  

    if (resp.data) {  
        that.record = resp.data  
    } else {  
        uni.showToast({  
            title: "没有数据"  
        })  
    }  
    // #endif  

    // this.$refs.udb.loadData() //udb为unicloud-db组件的ref属性值  

}

操作步骤

打开uni统计2.0

预期结果

正确处理报错，不陷入死循环

实际结果

内存耗尽，首页无法打开

bug描述

升级到最新版HBuilderX4.45 正式版与alpha版发现的问题，编译到微信开发者工具测试内存很快耗尽，经排查发现，是uni统计代码造成的。关闭微信平台后，一切正常。首页代码很正常，没有死循环。目前只能暂时关闭统计。