https://stackoverflow.com/questions/35588699/response-to-preflight-request-doesnt-pass-access-control-check
let storeId = Number(localStorage.getItem('snailStoreNum')); //storeId用来做标识，不返回当前店铺的信息
this.storeList = arr.map(ele => {
if(ele.store_id != storeId){
return { name: ele.store_name, id: ele.store_id }
}
})
