public class CustomStringRequest extends StringRequest {
    private Map<String, String> headers;
    private String csrfToken;

    public CustomStringRequest(int method, String url, Response.Listener<String> listener, Response.ErrorListener errorListener) {
        super(method, url, listener, errorListener);
    }

    public void setHeaders(Map<String, String> headers) {
        this.headers = headers;
    }

    public void setCsrfToken(String token) {
        this.csrfToken = token;
    }

    @Override
    public Map<String, String> getHeaders() throws AuthFailureError {
        Map<String, String> headers = this.headers != null ? this.headers : super.getHeaders();
        if (csrfToken != null) {
            headers.put("X-CSRF-Token", csrfToken);
        }
        return headers;
    }
}

String url = "https://example.com/api";
String csrfToken = "your_csrf_token_here"; // 从服务器获取或存储的CSRF令牌

CustomStringRequest stringRequest = new CustomStringRequest(Request.Method.POST, url,
    new Response.Listener<String>() {
        @Override
        public void onResponse(String response) {
            // 处理响应
        }
    },
    new Response.ErrorListener() {
        @Override
        public void onErrorResponse(VolleyError error) {
            // 处理错误
        }
    }) {

    @Override
    protected Map<String, String> getParams() throws AuthFailureError {
        Map<String, String> params = new HashMap<>();
        params.put("param1", "value1");
        params.put("param2", "value2");
        return params;
    }
};

// 设置CSRF令牌
stringRequest.setCsrfToken(csrfToken);

// 可选：设置其他请求头
Map<String, String> headers = new HashMap<>();
headers.put("Content-Type", "application/x-www-form-urlencoded");
stringRequest.setHeaders(headers);

// 将请求添加到请求队列
RequestQueue queue = Volley.newRequestQueue(this);
queue.add(stringRequest);