this.props.form.validateFields((err, values) => {
  if (!err) {
    const data = new URLSearchParams(values);
    }
})



if (newOptions.method === "POST" || newOptions.method === "PUT") {
if (!(newOptions.body instanceof FormData) && !(newOptions.body instanceof URLSearchParams)) {
  newOptions.headers = {
    Accept: "application/json",
    "Content-Type": "application/json; charset=utf-8",
    ...newOptions.headers
  };
  newOptions.body = JSON.stringify(newOptions.body);
} else {
  // newOptions.body is FormData
  newOptions.headers = {
    Accept: "application/json",
    "Content-Type": "application/x-www-form-urlencoded;charset=utf-8",
    ...newOptions.headers
  };
}

}