#鸿蒙通关秘籍#如何在HarmonyOS中处理HTTP流式响应？

import { http } from '@kit.NetworkKit';

let httpRequest = http.createHttp();

httpRequest.on('headersReceive', (header) => {
  console.info('header: ' + JSON.stringify(header));
});

let res = new ArrayBuffer(0);
httpRequest.on('dataReceive', (data) => {
   const newRes = new ArrayBuffer(res.byteLength + data.byteLength);
   const resView = new Uint8Array(newRes);
   resView.set(new Uint8Array(res));
   resView.set(new Uint8Array(data), res.byteLength);
   res = newRes;
});

httpRequest.on('dataEnd', () => {
  console.info('No more data in response, data receive end');
});

httpRequest.requestInStream("EXAMPLE_URL", {
  method: http.RequestMethod.POST,
  header: {
    'Content-Type': 'application/json'
  },
  extraData: "data to send"
}).then((data) => {
  console.info("requestInStream OK!");
  httpRequest.off('headersReceive');
  httpRequest.off('dataReceive');
  httpRequest.off('dataEnd');
  httpRequest.destroy();
}).catch((err) => {
  console.info("requestInStream ERROR : " + JSON.stringify(err));
});
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