export function useFetch() {
  let backData = ref([])
  let error = ref(null)


 async  function  request(url,param){
     const tempData = ref([])
     tempData.value =  await  this.$http.get(url,{params:param}).then( res => {
          return res.data.data.rows
     })

    return tempData.value
}
  return { backData, error, request }
}