apijson-table: add _fields for multiple table case

Author: zhangchunlin

uliweb_apijson/apijson/templates/vue/inc_apijson_table.html

@@ -196,7 +196,9 @@
                     if (data.code==200) {
                         var arr = data["[]"]
                         for (var i=0;i<arr.length;i++) {
-                            arr[i] = arr[i][thisp.table.model_name]
+                            var o = JSON.parse(JSON.stringify(arr[i][thisp.table.model_name]))
+                            o._fields = JSON.parse(JSON.stringify(arr[i]))
+                            arr[i] = o
                         }
 
                         if (!thisp.tcolumns_init) {