Ability to support connection on OpenHarmonyOS

const connection = thrift.createOhosConnection(http.createHttp, host, 80, {
                protocol: TJSONProtocol,
                header: {
                    'Content-Type': 'application/json'
                },
                createHttp: http.createHttp
            }),
                client = thrift.createOhosClient(TAccountService, connection);
            const account = {
                uid: 1,
                name: 'hello'
            }
            console.info('requesting...')

            client.createAccount(account).then(() => {
                console.info('client createAccount:', account.uid);
                client.getAccount(account.uid).then((resp) => {
                    console.info(`client getAccount: uid=${resp.uid}, name=${resp.name}`);
                    this.user = resp
                }).catch(e => {
                    console.info(e)
                })
            }).catch(e => {
                console.info(e)
            })