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wittawasw/app.rb

Forked from runemadsen/app.rb
Last active March 17, 2022 17:31
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Sinatra File Upload
Raw
app.rb
require 'sinatra'
get "/" do
erb :form
end
post '/save_image' do
@filename = params[:file][:filename]
file = params[:file][:tempfile]
File.open("./public/#{@filename}", 'wb') do |f|
f.write(file.read)
end
erb :show_image
end
Raw
form.erb
<html>
<head>
<title>Image Upload</title>
</head>
<body>
<h1>Upload Image</h1>
<form action="/save_image" method="POST" enctype="multipart/form-data">
<input type="file" name="file">
<input type="submit" value="Upload image">
</form>
</body>
</html>
Raw
show_image.erb
<html>
<head>
<title>Show Image</title>
</head>
<body>
<h1>See Image</h1>
<img src="/public/<%= @filename %>" />
</body>
</html>
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