Welcome to WuJiGu Developer Q&A Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
1.5k views
in Technique[技术] by (71.8m points)

vue router的Cannot read property '$router' of undefined"问题

这是debug时候看到的好像是有东西吧
image.png
然后走下去就报错了
image.png
下面是代码里的
image.png
image.png
image.png

这是什么问题呢


补充一下, 刚才的新发现
把this给另一个变量赋值, 她竟然是undefined
image.png
用鼠标把this圈起来看的话它又是有内容的
image.png


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

你需要这样写:

methods:{
    menuClick({item,key,keyPath}){
        ...
    }
}

看文档:
https://cn.vuejs.org/v2/api/#methods
image.png


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to WuJiGu Developer Q&A Community for programmer and developer-Open, Learning and Share
...