title: How to dynamically upload image in vue.js?
body: <p>See the code: <a href="http://codepen.io/SmilePark/pen/yeoqPx" rel="nofollow">codepen</a></p>
  
  <p>I want to post the data by form;</p>
  
  <p>There is a add-image button,When I click the button first time and select the image,then show the image info in the page. When I click the button again,then show the two images info in the page.</p>
  
  <p>The problem is: I can't set file value to the <code>&lt;input type='file' /&gt;</code></p>
  
  <p>How to do this?</p>