Upload image not to preview when beforeUpload was false

[didmehh]

Version

3.0.0

Environment

react 16.2.0
antd 3.0.0
ubuntu 14.04
node 6.1.0

Reproduction link

Upload within codepen

Steps to reproduce

redirect to the codepen

What is expected?

could be show thumbnail

What is actually happening?

1. Always show Uploading, no thumbnails.
   I am try to console log the file when handleChange. not to see url of status columns.

handleCardChange = ({fileList}) => {
    console.log("file list id change", fileList);
    this.setState({ cardImgList: fileList })
  }

2. All right, I try to search this issue, but not helpful.
   #8020

[didmehh]

Hi, i was solve it by #830.

    let reader = new FileReader();
    reader.readAsDataURL(logoFile);

set file url from reader.result
Ps: this issue was a feature?

[afc163]

I think it is better not doing anything if beforeUpload return false, let user decide what need to be done.

[didmehh]

i don't known how to set header Content-Type for submit form within file input and use the fetch, or don't do anything.

[kamkyi]

could you please show the complete codes @didmehh