vue链接 sse 接口 实现实施通讯

sendSSEMessage(){
      fetch(
          'http://152.xxx.xx.76:xxxxx/api/v1/chat/message/send?prompt=什么是Python&chat_session_id=1',
          {
            headers: {
              token:"abbb78cbbdde1727ac43bd7770497eee6d598310"
            }
          }
      ).then(response => {
        const reader = response.body.getReader();
        const decoder = new TextDecoder();
        function processText({ done, value }) {
          if (done) {
            console.log('Stream finished');
            return;
          }
          console.log(decoder.decode(value));
          // data.testData += decoder.decode(value).substring(6)
          return reader.read().then(processText);
        }
        return reader.read().then(processText);
      }).catch(console.error);
    },