<dependency>

            <groupId>net.java.dev.jna</groupId>

            <artifactId>jna</artifactId>

            <version>5.2.</version>

        </dependency>

public class Main {

    public static void main(String[] args) {

        String url = "http://********.htm?";

        String czqhnm = "0000000000";

        String dwbm = "05301";

        String ywlx = "000020";

        String codeno = "001";

        String msg = CLibrary.INSTANCE.getCheckCode(czqhnm, dwbm, ywlx, codeno);

        url = url + "czqhnm=" + czqhnm + "&dwbm=" + dwbm + "&ywlx=" + ywlx + "&codeno=" + codeno + "&" + msg;

        System.out.println(url);

    }

    public interface CLibrary extends Library {

        // FS_CheckCode是动态库名称，前面的d://test//是路径

        CLibrary INSTANCE = (CLibrary) Native.loadLibrary("d://test//FS_CheckCode", CLibrary.class);

        // 我们要调用的动态库里面的方法。

        String getCheckCode(String czqhnm, String dwbm, String ywlx, String codeno);

    }

}