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@baodinh
Created August 26, 2020 20:24
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Convert data:image/png;base64,iVBORw0KGgoAAA to []byte
func streamToByte(stream io.Reader) []byte {
buf := new(bytes.Buffer)
buf.ReadFrom(stream)
return buf.Bytes()
}
// pass reader to NewDecoder
dec := base64.NewDecoder(base64.StdEncoding, strings.NewReader(base64string[i+1:]))
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