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使用angular时，使用循环拿到配置数据时，
会报错
是因为ui-sref初始化为空，要怎么修改？
用ui-state
https://ui-router.github.io/n...
ui-serf='item.url'
First of all, take a look at this item.url 的值是什么， 路由配置那里有 没有配置这个 值对应的 state
item.url
state
Let’s post the picture below
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
用ui-state
https://ui-router.github.io/n...
ui-serf='item.url'
First of all, take a look at this
item.url的值是什么， 路由配置那里有 没有配置这个 值对应的stateLet’s post the picture below