移动端列表点击跳转 返回保存原来高度

router.beforeEach((to, from, next) => {
  window.document.title = to.meta.title
  // pc端打开跳转处理
  // console.log('topath:', to.path)
  if (constant.ispc()) {
    if (to.path === '/law') {
      location.href = Api.pcUrl + 'index'
    }
    /* else if (to.path === '/rule') {
      location.href = Api.pcUrl
    } else if (to.path === '/affiche') {
      location.href = Api.share.affiche
    } else if (to.path === '/cases') {
      location.href = Api.share.cases
    } else if (to.path === '/report') {
      location.href = Api.share.report
    } */
    else if (to.path === '/rulesCount') {
      location.href = Api.pcUrl + 'ruleDetail?id=' + to.query.id
    } else if (to.path === '/afficheContent') {
      location.href = Api.pcUrl + 'afficheContent?id=' + to.query.id
    }
    // else if (to.path === '/caseDetail') {
    //   location.href = Api.pcUrl + to.query.id
    // }
    else if (to.path === '/detailReport') {
      location.href = Api.pcUrl + 'reportDetail?id=' + to.query.id
    }
    // else if (to.path === '/collect/collectDetails') {
    //   location.href = Api.pcUrl + to.query.id
    // }
    else {
      location.href = Api.pcUrl + 'index'
    }
  }

  if (from.name) {
    let contentElem = document.querySelector('.v-content')
    let scrollTop = contentElem ? contentElem.scrollTop : '0'
    // store.state.common.scrollPos[] = scrollTop;
    store.state.mutations.scrollValue[from.name] = scrollTop
    console.log('scrollValue:' + store.state.mutations.scrollValue[from.name])
  }
  next()
})
router.afterEach((to, from) => {
  if (from.name) {
    let scrollTop = store.state.mutations.scrollValue[to.name] || 0
    if (!scrollTop) {
      return
    }
    // 对scroll元素进行设置
    setTimeout(() => {
      let documentElem = document.querySelector('.v-content')
      if (documentElem) {
        documentElem.scrollTop = scrollTop
      }
    }, 0)
  }
})