code: def viewinfo(self, postinfo):
          '''
          View the info
          '''
          out_json = {
              'uid': postinfo.uid,
              'time_update': postinfo.time_update,
              'title': postinfo.title,
              'cnt_html': tornado.escape.xhtml_unescape(postinfo.cnt_html),
  
          }
          self.write(json.dumps(out_json)f viewinfo(self, postinfo):
          '''
          View the info
          '''
          out_json = {
              'uid': postinfo.uid,
              'time_update': postinfo.time_update,
              'title': postinfo.title,
              'cnt_html': tornado.escape.xhtml_unescape(postinfo.cnt_html),
  
          }
          self.write(json.dumps(out_json))
docs: View the info