import com.sun.jna.Library;
import com.sun.jna.Memory;
import com.sun.jna.Native;
import com.sun.jna.Pointer;


public class Program 
{
	public interface TdxLibrary extends Library 
	{
	    public  int Logon(String QS, String IP, short  Port, String Version, short  YybID, byte LoginMode, String AccountNo, String TradeAccount, String JyPassword, String TxPassword, byte[] ErrInfo);
	    public  void Logoff(int ClientID);
	    public  void QueryData(int ClientID, int Category,  byte[] Result,  byte[] ErrInfo);
	    public  void SendOrder(int ClientID, int Category, int PriceType, String Gddm, int Zhlb, String Zqdm, String Price, int Quantity, byte[] Result,  byte[] ErrInfo);
	    public  void CancelOrder(int ClientID, String Gddm, int Zhlb, String hth,  byte[] Result,  byte[] ErrInfo);
	    public  void GetQuote(int ClientID, String Zqdm,  byte[] Result,  byte[] ErrInfo);
	    public  void Repay(int ClientID, String Amount, String OrderNo, byte[] Result,  byte[] ErrInfo);
        public  void GetTradableQuantity(int ClientID, int Category, int PriceType, String Gddm, int Zhlb, String Zqdm, String Price,  byte[] Result,  byte[] ErrInfo);

    }
	
	public static void main(String[] args) 
	{
		try
		{
		    	//本软件详细信息请见网站 http://tdxjy.com/
			//DLL是32位的,因此必须使用jdk32位开发,才能调用DLL;
			//必须把TJyaid.dll等全部DLL复制到jdk\bin目录下,类似C:\Program Files (x86)\Java\jdk-1.8\bin;
			//java工程必须添加引用 jna.jar, 在 https://github.com/twall/jna 下载 jna.jar
            			//无论用什么语言编程，都必须仔细阅读VC版内的关于DLL导出函数的功能和参数含义说明，不仔细阅读完就提出问题者因时间精力所限，恕不解答。
			byte[] Result=new byte[1024*1024];
			byte[] ErrInfo=new byte[256];
			
			System.setProperty("jna.encoding", "GBK");
			
			TdxLibrary TdxLibrary1 = (TdxLibrary)Native.loadLibrary("TJyaid",TdxLibrary.class);
			

			
			
			//登录
			int ClientID=TdxLibrary1.Logon("招商证券", "202.106.83.206", (short)443, "0", (short)0, (byte)9, "0109541703", "0109541703", "123456", "", ErrInfo);
            			if (ClientID==-1)
			{
				System.out.println(Native.toString(ErrInfo, "GBK"));
				return;
			}
			
			System.out.println("登录成功");
			
			//查询资金
			TdxLibrary1.QueryData(ClientID, 0, Result, ErrInfo);
			System.out.println(Native.toString(Result, "GBK"));
			
			
			
			
			//注销
			TdxLibrary1.Logoff(ClientID);		
					

			
			System.out.println("end");
			
		}
		catch(Exception e)
		{
			
		}
	}

}