link scenarios to backend

src/plugins/api.js

@@ -2,7 +2,18 @@ import axios from 'axios';
 
 const $ax = axios.create({
     baseURL: '/api/',
-    //transformRequest: data=>
+    transformRequest: [
+        (data, headers)=>{
+            if (data && !(data instanceof FormData)){
+                data = JSON.stringify(data, (k, v)=>{
+                    return k.startsWith('__') ? undefined : v;
+                });
+                headers['Content-Type'] = 'application/json;charset=utf-8';
+            }
+            return data;
+        }
+        , ...axios.defaults.transformRequest
+    ]
 })
 
 export default {