YW_Purse_Decrease
钱包扣款

参数列表：

int stdcall YW_Purse_Decrease (

int ReaderID,

int BlockAddr,

int Decrement);


参数含义：

参数

类型

方向

含义

ReaderID

int

IN

所要获取的设备标示ID，范围0x0000-0xFFFF，如果未知，则ReaderID=0

BlockAddr

int

IN

绝对块号地址

Decrement

int

IN

扣款值

返 回 值：大于0为命令发送成功，小于0为命令发送失败


C++声明（VC++和C++ Builder）：

int stdcall YW_Purse_Decrease (int ReaderID,int BlockAddr,int Decrement);


Delphi声明：

function YW_Purse_Decrease(ReaderID: Integer;BlockAddr: Integer;Decrement: Integer): Integer;stdcall;external YOWOREADERDLL; //17


VB声明：

Public Declare Function YW_Purse_Decrease Lib "YW60x.dll" (ByVal ReaderID As Long, ByVal BlockAddr As Long, ByVal Decrement As Long) As Long


JAVA声明：

public int YW_Purse_Decrease(int ReaderID,int BlockAddr, int Decrement)

{

int ret;

try

{

JNative fuc = new JNative("YW60x.dll", "YW_Purse_Decrease");

fuc.setRetVal(Type.INT);

fuc.setParameter(0, ReaderID);

fuc.setParameter(1,BlockAddr);

fuc.setParameter(2,Decrement);

fuc.invoke();

ret = fuc.getRetValAsInt();

}

catch(NativeException e)

{

ret = -1;

}

catch(IllegalAccessException e)

{

ret = -2;

}

return ret;

}


C#声明：

[DllImport("YW60x.dll")]

public static extern int YW_Purse_Decrease(int ReaderID,int BlockAddr, int Decrement); //17


Power Builder 9 声明：

public FUNCTION long YW_Purse_Decrease (long lReaderID , long BlockAddr , long Decrement ) library "YW60x.dll"


支持的RFID读写器：
SDT-HA, YW-605RA, YW-605RB, YW-605RC, YW-605SA, YW-605SB, YW-605SC, YW-605UA, YW-605UB, YW-605UC, YW-605HA, YW-605HB, YW-605HC, YW-620HA, YW-620HB, YW-620HC, YW-608RA, YW-608RB, YW-608RC, YW-608SA, YW-608SB, YW-608SC, YW-608UA, YW-608UB, YW-608UC, YW-608HA, YW-608HB, YW-608HC, YW-610SA, YW-610SB, YW-610SC, YW-607