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在HTTP协议消息头中，使用Content-Type来表示媒体类型信息，设置该参数值为“application/x-www-form-urlencoded”。

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

let options: http.HttpRequestOptions = {
  method: http.RequestMethod.GET,
  extraData: 'send message',
  header: { 'Content-Type': 'application/x-www-form-urlencoded' },
  readTimeout: 50000,
  connectTimeout: 50000
}

SetForm.ets

extraData表示发送请求的数据，目前支持string、Object和ArrayBuffer三种类型。

let httpRequest = http.createHttp();
let data = "user=Query&password=Admin123";
httpRequest.request(
  'https:xxx',
  {
    method: http.RequestMethod.POST,
    // Optional, default is http.RequestMethod.GET//Developers can add header fields according to their own business needs
    header: { 'Content-Type': 'application/x-www-form-urlencoded' }, // This field is used to pass content when using POST requests
    extraData: data,
    connectTimeout: 60000, // Optional, default is 60000ms
    readTimeout: 60000, // Optional, default is 60000ms
  }, (err, data) => {
  if (!err) {
    // Data.read is the HTTP response content, which can be parsed according to business needs
    console.info('Result:' + JSON.stringify(data.result));
    console.info('code:' +
    JSON.stringify(data.responseCode)); // Data.reader is an HTTP response header that can be parsed according to business needs
    console.info('header:' + JSON.stringify(data.header));
    console.info('cookies:' +
    JSON.stringify(data.cookies)); // Starting from API8
  } else {
    console.info('error:' + JSON.stringify(err)); // Unsubscribe from HTTP response header events
    httpRequest.off('headersReceive'); // When the request is exhausted, call the destroy method to actively destroy it.
    httpRequest.destroy();
  }
})

http请求如何以表单形式进行传输