StringRequest stringRequest = new StringRequest(
    Request.Method.POST,
    url,
    new Response.Listener<String>() {
        @Override
        public void onResponse(String response) {
            // 处理成功响应
            Log.d("VolleyResponse", response);
        }
    },
    new Response.ErrorListener() {
        @Override
        public void onErrorResponse(VolleyError error) {
            // 处理错误
            Log.e("VolleyError", error.toString());
            if (error.networkResponse != null) {
                Log.e("VolleyError", "Status code: " + error.networkResponse.statusCode);
                Log.e("VolleyError", "Response data: " + new String(error.networkResponse.data));
            }
        }
    }
) {
    @Override
    public Map<String, String> getHeaders() throws AuthFailureError {
        // 添加与Postman相同的请求头
        Map<String, String> headers = new HashMap<>();
        headers.put("Content-Type", "application/json");
        headers.put("Accept", "application/json");
        return headers;
    }

    @Override
    public byte[] getBody() throws AuthFailureError {
        // 确保请求体与Postman一致
        try {
            return requestBody.getBytes("utf-8");
        } catch (UnsupportedEncodingException e) {
            return null;
        }
    }
};

// 使用自定义的解析器处理响应
RequestQueue queue = Volley.newRequestQueue(this);
queue.add(stringRequest);