本文为博主原创，未经允许不得转载：

异常展示：

[Vue warn]: Error in getter for watcher "filterAndSortData": "TypeError: Cannot read property 'length' of null"

found in

---> <UxTable>

       <UxCol>

         <UxRow>

           <CustomerDomainCofigDetail> at src/web/manage/customerManage/CustomerDomainCofigDetail.vue

             <ElMain>

               <ElContainer>

                 <MainAdmin> at src/web/manage/MainAdmin.vue

                   <App> at src/app.vue

                     <Root>

warn @ vue.esm.js?efeb:591

logError @ vue.esm.js?efeb:1737

globalHandleError @ vue.esm.js?efeb:1732

handleError @ vue.esm.js?efeb:1721

get @ vue.esm.js?efeb:3145

run @ vue.esm.js?efeb:3219

flushSchedulerQueue @ vue.esm.js?efeb:2981

(anonymous) @ vue.esm.js?efeb:1837

flushCallbacks @ vue.esm.js?efeb:1758

Promise.then (async)

microTimerFunc @ vue.esm.js?efeb:1806

nextTick @ vue.esm.js?efeb:1850

queueWatcher @ vue.esm.js?efeb:3068

update @ vue.esm.js?efeb:3209

notify @ vue.esm.js?efeb:697

reactiveSetter @ vue.esm.js?efeb:1014

proxySetter @ vue.esm.js?efeb:3300

(anonymous) @ CustomerDomainCofigDetail.vue?6300:488

Promise.then (async)

initData @ CustomerDomainCofigDetail.vue?6300:482

created @ CustomerDomainCofigDetail.vue?6300:627

callHook @ vue.esm.js?efeb:2921

Vue._init @ vue.esm.js?efeb:4630

VueComponent @ vue.esm.js?efeb:4798

createComponentInstanceForVnode @ vue.esm.js?efeb:4310

init @ vue.esm.js?efeb:4131

createComponent @ vue.esm.js?efeb:5608

createElm @ vue.esm.js?efeb:5555

updateChildren @ vue.esm.js?efeb:5845

patchVnode @ vue.esm.js?efeb:5936

patch @ vue.esm.js?efeb:6096

Vue._update @ vue.esm.js?efeb:2670

updateComponent @ vue.esm.js?efeb:2788

get @ vue.esm.js?efeb:3142

run @ vue.esm.js?efeb:3219

flushSchedulerQueue @ vue.esm.js?efeb:2981

(anonymous) @ vue.esm.js?efeb:1837

flushCallbacks @ vue.esm.js?efeb:1758

vue.esm.js?efeb:1741 TypeError: Cannot read property 'length' of null

    at recursiveRows (utils.js?8c28:43)

    at normalizeRows (utils.js?8c28:61)

    at VueComponent.normalizeData (table.js?7ae6:141)

    at Watcher.get (vue.esm.js?efeb:3142)

    at Watcher.evaluate (vue.esm.js?efeb:3249)

    at VueComponent.computedGetter [as normalizeData] (vue.esm.js?efeb:3507)

    at VueComponent.filterAndSortData (table.js?7ae6:180)

    at Watcher.get (vue.esm.js?efeb:3142)

    at Watcher.evaluate (vue.esm.js?efeb:3249)

    at VueComponent.computedGetter [as filterAndSortData] (vue.esm.js?efeb:3507)

logError @ vue.esm.js?efeb:1741

globalHandleError @ vue.esm.js?efeb:1732

handleError @ vue.esm.js?efeb:1721

get @ vue.esm.js?efeb:3145

run @ vue.esm.js?efeb:3219

flushSchedulerQueue @ vue.esm.js?efeb:2981

(anonymous) @ vue.esm.js?efeb:1837

flushCallbacks @ vue.esm.js?efeb:1758

Promise.then (async)

microTimerFunc @ vue.esm.js?efeb:1806

nextTick @ vue.esm.js?efeb:1850

queueWatcher @ vue.esm.js?efeb:3068

update @ vue.esm.js?efeb:3209

notify @ vue.esm.js?efeb:697

reactiveSetter @ vue.esm.js?efeb:1014

proxySetter @ vue.esm.js?efeb:3300

(anonymous) @ CustomerDomainCofigDetail.vue?6300:488

Promise.then (async)

initData @ CustomerDomainCofigDetail.vue?6300:482

created @ CustomerDomainCofigDetail.vue?6300:627

callHook @ vue.esm.js?efeb:2921

Vue._init @ vue.esm.js?efeb:4630

VueComponent @ vue.esm.js?efeb:4798

createComponentInstanceForVnode @ vue.esm.js?efeb:4310

init @ vue.esm.js?efeb:4131

createComponent @ vue.esm.js?efeb:5608

createElm @ vue.esm.js?efeb:5555

updateChildren @ vue.esm.js?efeb:5845

patchVnode @ vue.esm.js?efeb:5936

patch @ vue.esm.js?efeb:6096

Vue._update @ vue.esm.js?efeb:2670

updateComponent @ vue.esm.js?efeb:2788

get @ vue.esm.js?efeb:3142

run @ vue.esm.js?efeb:3219

flushSchedulerQueue @ vue.esm.js?efeb:2981

(anonymous) @ vue.esm.js?efeb:1837

flushCallbacks @ vue.esm.js?efeb:1758

vue.esm.js?efeb:591 [Vue warn]: Error in render: "TypeError: Cannot read property 'length' of null"

found in

---> <UxTable>

       <UxCol>

         <UxRow>

           <CustomerDomainCofigDetail> at src/web/manage/customerManage/CustomerDomainCofigDetail.vue

             <ElMain>

               <ElContainer>

                 <MainAdmin> at src/web/manage/MainAdmin.vue

                   <App> at src/app.vue

                     <Root>

warn @ vue.esm.js?efeb:591

logError @ vue.esm.js?efeb:1737

globalHandleError @ vue.esm.js?efeb:1732

handleError @ vue.esm.js?efeb:1721

Vue._render @ vue.esm.js?efeb:4546

updateComponent @ vue.esm.js?efeb:2788

get @ vue.esm.js?efeb:3142

run @ vue.esm.js?efeb:3219

flushSchedulerQueue @ vue.esm.js?efeb:2981

(anonymous) @ vue.esm.js?efeb:1837

flushCallbacks @ vue.esm.js?efeb:1758

Promise.then (async)

microTimerFunc @ vue.esm.js?efeb:1806

nextTick @ vue.esm.js?efeb:1850

queueWatcher @ vue.esm.js?efeb:3068

update @ vue.esm.js?efeb:3209

notify @ vue.esm.js?efeb:697

reactiveSetter @ vue.esm.js?efeb:1014

proxySetter @ vue.esm.js?efeb:3300

(anonymous) @ CustomerDomainCofigDetail.vue?6300:488

Promise.then (async)

initData @ CustomerDomainCofigDetail.vue?6300:482

created @ CustomerDomainCofigDetail.vue?6300:627

callHook @ vue.esm.js?efeb:2921

Vue._init @ vue.esm.js?efeb:4630

VueComponent @ vue.esm.js?efeb:4798

createComponentInstanceForVnode @ vue.esm.js?efeb:4310

init @ vue.esm.js?efeb:4131

createComponent @ vue.esm.js?efeb:5608

createElm @ vue.esm.js?efeb:5555

updateChildren @ vue.esm.js?efeb:5845

patchVnode @ vue.esm.js?efeb:5936

patch @ vue.esm.js?efeb:6096

Vue._update @ vue.esm.js?efeb:2670

updateComponent @ vue.esm.js?efeb:2788

get @ vue.esm.js?efeb:3142

run @ vue.esm.js?efeb:3219

flushSchedulerQueue @ vue.esm.js?efeb:2981

(anonymous) @ vue.esm.js?efeb:1837

flushCallbacks @ vue.esm.js?efeb:1758

vue.esm.js?efeb:1741 TypeError: Cannot read property 'length' of null

    at recursiveRows (utils.js?8c28:43)

    at normalizeRows (utils.js?8c28:61)

    at VueComponent.normalizeData (table.js?7ae6:141)

    at Watcher.get (vue.esm.js?efeb:3142)

    at Watcher.evaluate (vue.esm.js?efeb:3249)

    at VueComponent.computedGetter [as normalizeData] (vue.esm.js?efeb:3507)

    at VueComponent.spinClasses (table.js?7ae6:313)

    at Watcher.get (vue.esm.js?efeb:3142)

    at Watcher.evaluate (vue.esm.js?efeb:3249)

    at Proxy.computedGetter (vue.esm.js?efeb:3507)

该异常原因：由于在页面加载数据初始化的时候，定义了一个数组的数据类型，从后台获取数据初始化给该变量赋值，由于后台返回数据为null，将其赋值给数组的时候就报错了，

解决方法：在赋值的时候加一层为空的判断和校验即可解决

TypeError: Cannot read property 'length' of null的更多相关文章

  1. Uncaught TypeError: Cannot read property 'length' of null错误怎么处理？

    Uncaught TypeError: Cannot read property 'length' of null 错误怎么处理? 1.可能是返回的datagrid数据格式有问题,比如{"t ...

  2. Uncaught TypeError: Cannot read property 'insertAdjacentHTML' of null

    在开发Ext 项目中如果遇到 Uncaught TypeError: Cannot read property 'insertAdjacentHTML' of null 这个错误,检查下renderT ...

  3. Uncaught TypeError: Cannot set property 'innerHTML' of null

    学习Chrome插件时,要在弹出页面中显示当前时间,结果怎样也显示不出来 看了 http://www.cnblogs.com/mfryf/p/3701801.html 这篇文章后感悟颇深 通过调试发现 ...

  4. Three.js three.js Uncaught TypeError: Cannot read property 'getExtension' of null

    在调试Three.js执行加载幕布的时候,突然爆出这个错误three.js Uncaught TypeError: Cannot read property 'getExtension' of nul ...

  5. JavaScript Uncaught TypeError: Cannot read property 'value' of null

    用 JavaScript 操作 DOM 时出现如下错误: Uncaught TypeError: Cannot set property 'value' of null Uncaught TypeEr ...

  6. vue-cli +echarts-amap集成echarts和高德地图TypeError: Cannot read property 'dataToPoint' of null解决方案

    由于项目的需求,需要做一种迁徙效果, 最后我们采用了组件化开发,可以说这个坑自己一个人踩,有点累,但也收获不少. vue-cli +echarts-amap集成echarts和高德地图,出现报错,错误 ...

  7. vue v-if:"TypeError: Cannot read property 'length' of undefined"

    在使用v-if判断一个数组大小为0时,会出现 length 是undefined的错误:[Vue warn]: Error in render: "TypeError: Cannot rea ...

  8. 前台报错:Uncaught TypeError: Cannot read property '0' of null

    错误现象: var div1=mycss[0].style.backgroundColor;  //这一行提示360和chrome提示:Uncaught TypeError: Cannot read  ...

  9. Egret(白鹭引擎)——“TypeError: Cannot read property 'asCom' of null”

    前言 相信我,这个错误新手都不陌生:TypeError: Cannot read property 'asCom' of null 还有,一定要看我上一篇,哦不(人家应该是报了这个错,才找到看到这篇文 ...

随机推荐

  1. 防止vue文件中的样式出现‘污染’情况(html5 scoped特性)

    近期在项目中出现了vue样式污染的情况: 一个页面刚进去时样式不正常,刷新之后,样式才才达到预期那样 在vue中,如果把样式写在vue文件的 style中,可能会出现样式污染的情况,这是要把写样式的标 ...

  2. 个人小爱好：Operating System: three easy pieces第6章第5节——总结

    总结 我们讨论了实现CPU虚拟化的部分底层机制,及我们统称为直接执行(direct execution)的一组技术.基本的思想十分简单明了:直接在CPU上运行你想运行的代码,但是你先得确保将硬件设置好 ...

  3. sql server中的charindex函数用法解析（在一段字符中搜索字符或者字符串-----返回expression1在expression2出现的位置；反之，返回0）

    https://blog.csdn.net/xinghuo0007/article/details/70651358 知识点一:charindex()语法 CHARINDEX ( expression ...

  4. ng2-tree

    [转]https://github.com/valor-software/ng2-tree#eyes-demo  demo:http://valor-software.com/ng2-tree/

  5. MyBatisPlus忽略映射字段注解

    MyBatisPlus忽略映射字段注解 @TableField(exist = false):表示该属性不为数据库表字段,但又是必须使用的. @TableField(exist = true):表示该 ...

  6. LDO选型注意事项

    以前选择LDO时因为要求不高,只会考虑输入电压Vin,输出电压Vout以及最大输出电流Ioutmax,其他的参数基本不做考虑,后来发现,考虑的太不周到,现在做个笔记记录自己的一些心得. 1.考虑最大输 ...

  7. 图片居中table-cell

  8. Cocos Creator Slider（进度条）的三种实现

    实现原理: 方法一:动态计算,slider上增加背景图,根据滑动的进度动态计算背景图的大小:方法二:slider+progress,根据slider滑动的进度,动态改变progress的显示进度:方法 ...

  9. torch随机数 manual_seed

    import torch seed = 2018 torch.manual_seed(seed) torch.cuda.manual_seed(seed) a=torch.rand([1,5]) # ...

  10. 让hive的表注释和字段注释支持中文

    此处用的数据库类型为mysql.发现hive在初始化创建这些表的时候,大部分字段的字符集给设置成了latin1,然后collation设成了latin1_bin. 但是我们在hive中创建表时,表注释 ...