3c2353cd
 杜方
1、畅游通核销app源码提交；
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package com.eztlib;
public class COMPacket
{
static
{
try {
System.loadLibrary("EZTLIB");
} catch (Exception e) {
e.printStackTrace();
} catch (Throwable e) {
e.printStackTrace();
}
}
public static native int HexStringToBytes(byte[] mbyte, int mlen, String Text);
public static native String BytesToHexString(byte[] mbyte, int mlen);
///bytes转换成十六进制字符串
///@byte[] b 数组
///@int len 数组长度
//String addstr 每个Byte值之间 添加指定分隔字符
public static String BytesToHexString(byte[] b,int len,String addstr)
{
StringBuilder sb = new StringBuilder("");
for (int n=0;n<len;n++)
{
String stmp = Integer.toHexString(b[n]&0xff);
sb.append((stmp.length()==1)? "0"+stmp : stmp);
sb.append(addstr);
}
return sb.toString();
}
/// <summary>
/// 端口打开
/// </summary>
/// <param name="mMode">端口模式 mMode=0 串口端口，mMode=1 USB HID端口</param>
/// <param name="ComNumber">mMode=0 串口端口号，mMode=1 USB HID端口 VID</param>
/// <param name="Baudrate">mMode=0 串口波特率，mMode=1 USB HID端口 PID</param>
/// <returns>返回true表示成功，返回false表示失败</returns>
public static native boolean COMOpen(String Port, int baudrate, int flags);
/// <summary>
/// 端口关闭
/// </summary>
/// <returns>返回true表示成功，返回false表示失败</returns>
public static native boolean COMClose();
/// <summary>
/// 端口状态判断，是打开还是关闭
/// </summary>
/// <returns>返回true表示打开，返回false表示关闭</returns>
public static native boolean COMIsopen();
/// <summary>
/// 端口发送数据
/// </summary>
/// <param name="pDataIn">要写入的数据</param>
/// <param name="Inlen">数据长度</param>
/// <returns>返回写入的数据长度</returns>
public static native int COMSendBytes(byte[] pDataIn, int Inlen);
/// <summary>
/// 端口读取数据
/// </summary>
/// <param name="pDataOut">返回数据</param>
/// <param name="Outlen">想要读取长度</param>
/// <returns>返回读取到的数据长</returns>
public static native int COMReadBytes(byte[] pDataOut, int len);
/// <summary>
/// 端口查询是否有数据可读取
/// </summary>
/// <returns>返回可读取长度</returns>
public static native int COMBytesToRead();
/// <summary>
/// 端口获取缓冲区大小
/// </summary>
/// <returns>返回缓冲区大小</returns>
public static native int COMBufMaxSize();
/// <summary>
/// 端口清空缓冲区
/// </summary>
/// <returns>返回true表示成功，返回false表示失败</returns>
public static native boolean COMCleanBuf();
}
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