tornado 响应json字符串
import json
from tornado.httpserver import HTTPServer
from tornado.ioloop import IOLoop
from tornado.options import define, parse_config_file, options
from tornado.web import Application, RequestHandler
define('port', type=int, default=8888, multiple=False)
parse_config_file('config')
class JsonRespHandler(RequestHandler):
def get(self, *args, **kwargs):
resp = {'key1': 'value1',
'key2': 'value2'}
self.write(resp)
def post(self, *args, **kwargs):
pass
url_list = [('/json', JsonRespHandler)]
app = Application(url_list)
server = HTTPServer(app)
server.listen(options.port)
IOLoop.current().start()
- 说明:
- 方式1:直接将python中的字典返回给客户端
- 方式2:
- 1、将python中的字典转化为json字符串 dicstr = json.dumps(dic)
- 2、将json字符串返回给客户端 self.write(dicstr)
- 3、self.set_header(‘Content-Type’, ‘application/json; charset=utf-8’) 修改响应头信息