#最简单的http文件上传 文件名 up.rb , 执行 ruby up.rb
require "webrick"
$port = 8080
class PostSampleServlet < WEBrick::HTTPServlet::AbstractServlet
def initialize(server, limit)
@max_content_length = limit
super
end
def do_GET(req, res)
content_length = req['content-length'].to_i
if content_length > @max_content_length
raise WEBrick::HTTPStatus::BadRequest, "body is too large"
end
if data = req.query["data"]
filename = data.filename
puts filename
end
res.body =<<-_end_of_html_
<html>
<form method="POST" enctype="multipart/form-data">
<input type="file" name="data" /><input type="submit" /></form>
filename = #{WEBrick::HTMLUtils.escape(filename.inspect)}
<pre>#{
if filename
p filename
a=File.new(filename,'wb')
a.write data
a.close
"#{data.size} 上传完成 #{Dir.pwd }/#{filename}"
end
}</pre>
</html>
_end_of_html_
res["content-type"] = "text/html"
end
def do_POST(req, res)
do_GET(req, res)
end
end
svr = WEBrick::HTTPServer.new(:Port=> $port)
svr.mount("/", PostSampleServlet, 50000000) #50MB
trap(:INT){ svr.shutdown }
svr.start
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