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UploadFile

 
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#!/usr/bin/python
#-*- encoding:utf-8 -*-

import tornado.ioloop
import tornado.web
import shutil
import os

PORT = 8091

class UploadFileHandler(tornado.web.RequestHandler):
    def get(self):
        self.write('''
<html>
  <head><title>Upload File</title></head>
  <body>
    <form action='file' enctype="multipart/form-data" method='post'>
    <input type='file' name='file'/><br/>
    <input type='submit' value='submit'/>
    </form>
  </body>
</html>
''')

    def post(self):
        upload_path=os.path.join(os.path.dirname(__file__), 'files')  #文件的暂存路径
        file_metas=self.request.files['file']    #提取表单中‘name’为‘file’的文件元数据
        for meta in file_metas:
            filename=meta['filename']
            filepath=os.path.join(upload_path,filename)
            with open(filepath,'wb') as up:      #有些文件需要已二进制的形式存储,实际中可以更改
                up.write(meta['body'])
            self.write('finished!')

app=tornado.web.Application([
    (r'/file',UploadFileHandler),
])

if __name__ == '__main__':
    app.listen(PORT)
    print('server started at {0}'.format(PORT))
    tornado.ioloop.IOLoop.instance().start()

 

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