tornado通过发送二进制流给前端,显示图片
#coding:utf-8
import tornado.ioloop
import tornado.web
from tornado.options import define,options,parse_command_line
from tornado.web import RequestHandler
define('port',default=8001,type=int,)
def main():
parse_command_line()
app=tornado.web.Application(
[
(r"/pic/*.*",PicHandles),
],
debug=True,
default_host="0.0.0.0",
)
app.listen(options.port)
tornado.ioloop.IOLoop.instance().start()
class PicHandles(RequestHandler):
def get(self):
data={}
data['pic_id']=self.request.uri.split('/')[-1:][0]
if int(data['pic_id'])==2:
pic=open('/home/wang/Desktop/canpin/1.jpg','r')
pics=pic.read()
self.write(pics)
self.set_header("Content-type", "p_w_picpath/png")
else:
self.write('no url')
if __name__=='__main__':
main()
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