nanohttpd 跨域

import fi.iki.elonen.NanoHTTPD;

public class MyHttpServer extends NanoHTTPD {

    public MyHttpServer(int port) {
        super(port);
    }

    @Override
    public Response serve(IHTTPSession session) {
        String msg = "Hello, CORS!";
        Response response = newFixedLengthResponse(msg);

        // 添加CORS头
        response.addHeader("Access-Control-Allow-Origin", "*"); // 允许所有域
        response.addHeader("Access-Control-Allow-Methods", "GET, POST, OPTIONS"); // 允许的方法
        response.addHeader("Access-Control-Allow-Headers", "Content-Type, Authorization"); // 允许的头

        return response;
    }

    public static void main(String[] args) {
        try {
            new MyHttpServer(8080).start(NanoHTTPD.SOCKET_READ_TIMEOUT, false);
            System.out.println("Server started on port 8080.");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

response.addHeader("Access-Control-Allow-Origin", "https://example.com"); // 指定特定域