This Vuejs shopping cart demo cannot display the value of the selected dropdown list, please God help to see how to modify it?

This Vuejs shopping cart demo, in v-text="item.quantity || n "This line does not know how to display the value of the drop-down list option to the button's v-text, please God help to see how to modify?

Html:

    
  
   
      
  
   
      
  
   
      
  
   
      
  
   
      
  
   
      
  
   
      
  
               
 
    ☰ laravel-cart 
    
  

    @if (Auth::guest ()) 
   
Login
 
   
Register
@else 
   
{{Auth::user ()->name}}  Logout
@endif 
  
             

   
              
Cart
                                                                                                            Select                           AllGoods Quantity Unit Price Subtotal

Reply content:

This Vuejs shopping cart demo, in v-text="item.quantity || n " this line do not know how to display the value of the drop-down list of options to the button v-text, please God help to see how to modify?

Html:

    
  
   
      
  
   
      
  
   
      
  
   
      
  
   
      
  
   
      
  
   
      
  
               
 
    ☰ laravel-cart 
    
  

    @if (Auth::guest ()) 
   
Login
 
   
Register
@else 
   
{{Auth::user ()->name}}  Logout
@endif 
  
             

   
              
Cart
                                                                                                            Select                           AllGoods Quantity Unit Price Subtotal

Mobile phone to see this code really tired ...

1. v-model="items", which is wrong in writing here;

2. After Ajax obtains the data, manually add the required properties before selected assigning the value toitems

