为什么vue 检测路由变化无反应？

Question

 watch:{      '$route' (to, from) {        console.log(to)
      },      'page1.madName'(val){          console.log(val)
      }
    },

在组件里面监听路由跳转，跳转正常，但是检测不到任何变化

Answer 1

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

Answer 2

1.检查代码是否正确。watch语句有没重复定义，导致该段语句被屏蔽。2.检查页面的路由路径是否发生了跳转，而不是仅仅改变了参数