JNA

import com.sun.jna.Library;
import com.sun.jna.Memory;
import com.sun.jna.Native;
import com.sun.jna.Pointer;
import com.sun.jna.ptr.IntByReference;
public class LYTest {
    public interface CLibrary extends Library {
        CLibrary INSTANCE = (CLibrary)Native.loadLibrary("ly_icparse",CLibrary.class);
        int Parse(String databuf,IntByReference ickh,IntByReference quantity,IntByReference fc,Pointer cid);
        int Build(int ickh, int quantity, int fc, String cid, Pointer databuf);
    }
    public static void main(String[] args) throws Exception {
        //用于接收输出的char*
        Pointer databuf = new Memory(512);  
        CLibrary.INSTANCE.Build(20133058, 11, 3, "201013000285", databuf);
        byte[] byteArray = databuf.getByteArray(0, 512);
        String data = new String(byteArray,"UTF-8");
        System.out.println("data:"+data);
        //构建读卡数据
        String databufstr = "A2131091FFFF8115FFFF201013000285FFFFFFFFFFD27600000400FFFFFFFFFF"+data.substring(64,512);

        IntByReference ickh = new IntByReference();
        IntByReference quantity = new IntByReference();
        IntByReference fc = new IntByReference();
        Pointer cid = new Memory(12);
        int result = CLibrary.INSTANCE.Parse(databufstr, ickh, quantity, fc, cid);
        String cidstr =  new String(cid.getByteArray(0, 12),"UTF-8");
        System.out.println("ickh:"+ickh.getValue());
        System.out.println("quantity:"+quantity.getValue());
        System.out.println("fc:"+fc.getValue());
        System.out.println("cid:"+cidstr);
        System.out.println("result:"+result);
    }
}