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RFID讀寫器函數(shù)JAVA調(diào)用示例

北京友我科技RFID讀寫器 轉(zhuǎn)載請注明出處,本篇地址:http://www.1118gp.net/ywdn/NoteDetails.asp?id=15

RFID讀寫器函數(shù)中java聲明中有很多Pointer類型的參數(shù),對于此類參數(shù)的調(diào)用方法示例如下:

if(NFCReader.YW_SearchCardModeEx(ReaderID, NFCReader.SEARCHMODE_14443A,0)<0)return;

//按照參數(shù)的實際大小,聲明一個與之對應的大小的Pointer類型 

Pointer pCardType = new Pointer(MemoryBlockFactory.createMemoryBlock(2));

if(NFCReader.YW_RequestCard(ReaderID, NFCReader.REQUESTMODE_ALL, pCardType)<0)return;

//CardType 作為short類型,從類型Pointer中取出的辦法

CardType = pCardType.getAsShort(0);

Pointer pCardMem = new Pointer(MemoryBlockFactory.createMemoryBlock(1));

Pointer pLengthUID = new Pointer(MemoryBlockFactory.createMemoryBlock(1));

Pointer pUID = new Pointer(MemoryBlockFactory.createMemoryBlock(20));

               if(NFCReader.YW_AntiCollideAndSelect(ReaderID,Mode,pCardMem,pLengthUID,pUID)<0)return;

CardMem = pCardMem.getAsByte(0);

LengthUID = pLengthUID.getAsByte(0);

//UID數(shù)組從Pointer中取出的辦法

UID=pUID.getMemory();

edtS50UID.setText(HexToStr(UID, LengthUID));


支持的RFID讀寫器: