记录跨域一些资料
node简单服务器apicors包设置请求头方法header("Access-Control-Allow-Origin: *"); // 允许任意域名发起的跨域请求
header('Access-Control-Allow-Headers: X-Requested-With,X_Requested_With');Vue中psot请求后台node接收不到参数 let pars = new URLSearchParams();
pars.append("user","yhm");
this.$axios.post("/...