方式一：
data(){
return{
      searchData: {
          conditions: {
            name: '',
            able: 1,
          },
          page: {
            page: 1,
            num: 10,
            listTotal: 0
          }
        },
  }
}
   created () {
      this.init()
    },
    methods: {
      init () {
        let page = this.$route.query.page
        if (page) {
          this.getData(parseInt(page))
        } else {
          this.getData(1)
        }
      },
}

util.toUrl = function (url, params) {
  var paramsArr = []
  if (params) {
    for (prop in params) {
      var val = params[prop]
      if (val) {
        if (typeof (val) != 'function') {
          paramsArr.push(prop + '=' + val)
        }
      }
    }
    if (url.search(/\?/) === -1) {
      url += '?' + paramsArr.join('&')
    } else {
      url += '&' + paramsArr.join('&')
    }
    return url
  }
}


   edit (item) {
        // let url = '/shop/useradd/' + item.storeUser.id+"?page="+this.searchData.page.page
        let url = '/shop/useradd/' + item.storeUser.id
        url = util.toUrl(url, this.searchData.conditions)
        url = util.toUrl(url, this.searchData.page)
        this.$router.push({
          path: url
        })
      }

    goBack () {
        console.log(this.$route.query); // this.$route.query 是拿取路由上面的值
        this.$router.push({
          path: '/user/custom',
          query: this.$route.query
        })
      },

方式二
data(){
return{
      searchData: {
          conditions: {
            name: '',
            able: 1,
          },
          page: {
            page: 1,
            num: 10,
            listTotal: 0
          }
        },
  }
}
   created () {
      this.init()
    },
    methods: {
      init () {
        let page = this.$route.query.page
        if (page) {
          this.getData(parseInt(page))
        } else {
          this.getData(1)
        }
      },
}

   edit (item) {
        let url = '/shop/useradd/' + item.storeUser.id+"?page="+this.searchData.page.page
        // let url = '/shop/useradd/' + item.storeUser.id
        // url = util.toUrl(url, this.searchData.conditions)
        // url = util.toUrl(url, this.searchData.page)
        this.$router.push({
          path: url
        })
      }
    goBack () {
        console.log(this.$route.query); // this.$route.query 是拿取路由上面的值
        this.$router.push({
          path: '/user/custom',
          query: this.$route.query
        })
      },