vue router.back() 返回上一页时带参数

子组件

this.$route.params.pageIndex = 0
this.$router.back()

父组件

 

beforeRouteEnter(to, from, next) {
    if (Object.prototype.hasOwnProperty.call(from.params, 'pageIndex')) {
      pageIndex = from.params.pageIndex
    }
    next()
  }

 

 

 

 

 

 

 

 

参考：https://blog.csdn.net/Guoyu1_/article/details/132405942