Java云喇叭云打印协议编码
<h1>调用示例</h1>
<pre><code class="language-java">public static void main(String[] args) {
String imeiStr=&quot;352736082440754&quot;;//设备IMEI
String printText=&quot;1234\r\n&quot;;//打印文本
String voiceMsgId=&quot;2019022611153312312345&quot;;//消息ID
String voiceMsgMoney=&quot;1234&quot;;//播报金额
//获取打印内容
byte[] printData = getPrinterBytes(printText, 1, &quot;&quot;);
System.out.println(bytes2Hex(printData));
//获取播报字符串
System.out.println(getStaticVoiceStr(imeiStr,voiceMsgId,voiceMsgMoney,PAYTYPE_VOICE_ALI));
//获取播报打印机指令
printData=getPrinterVoiceBytes(printText,1,&quot;&quot;,imeiStr,voiceMsgId,voiceMsgMoney,PAYTYPE_VOICE_ALI);
System.out.println(bytes2Hex(printData));
}</code></pre>
<h1>协议帮助类</h1>
<pre><code class="language-java">public class CloudPrinter {
public static final int PAYTYPE_VOICE_NULL=2000;
public static final int PAYTYPE_VOICE_ALI=2001;
public static final int PAYTYPE_VOICE_QQ=2002;
public static final int PAYTYPE_VOICE_WECHAT=2003;
public static final int PAYTYPE_VOICE_JD=2004;
public static final int PAYTYPE_VOICE_UNION=2005;
public static final int PAYTYPE_VOICE_DIY7570=7570;
public static final int PAYTYPE_VOICE_DIY7571=7571;
public static final int PAYTYPE_VOICE_DIY7572=7572;
public static final int PAYTYPE_VOICE_DIY7573=7573;
public static final int PAYTYPE_VOICE_DIY7574=7574;
public static final int PAYTYPE_VOICE_DIY7575=7575;
public static final int PAYTYPE_VOICE_DIY7576=7576;
public static final int PAYTYPE_VOICE_DIY7577=7577;
public static final int PAYTYPE_VOICE_DIY7578=7578;
public static final int PAYTYPE_VOICE_DIY7579=7579;
/**
* 支付播报固定语音字节数组
* @param imeiStr IMEI设备唯一标识
* @param msgId 交易序列号，不大于32字节，保证唯一
* @param moneyStr 播报金额，最多两位小数
* @param payType 支付类型
* @return
*/
public static byte[] getStaticVoiceBytes(String imeiStr,String msgId,String moneyStr,int payType){
return getStaticVoiceStr(imeiStr,msgId,moneyStr,payType).getBytes();
}
/**
* 支付播报固定语音字符串
* @param imeiStr IMEI设备唯一标识
* @param msgId 交易序列号，不大于32字节，保证唯一
* @param moneyStr 播报金额，最多两位小数
* @param payType 支付类型
* @return
*/
public static String getStaticVoiceStr(String imeiStr,String msgId,String moneyStr,int payType){
String str=imeiStr+&quot;|1007|&quot;+msgId+&quot;|&quot;+moneyStr+&quot;|&quot;+payType;
return str;
}
/**
* 获取打印内容，适用于云打印机
* @param printText 打印文本
* @param pageCount 打印联数
* @param encodingStr 编码方式，默认UTF-8
* @return
*/
public static byte[] getPrinterBytes(final String printText,
final int pageCount, String encodingStr) {
try {
if(encodingStr.equals(&quot;&quot;)){
encodingStr=&quot;UTF-8&quot;;
}
byte[] msgByte = printText.getBytes(encodingStr);
// 消息数组
final byte[] dataByte = new byte[msgByte.length + 9];
dataByte[0] = 0x1E;
dataByte[1] = 0x10;
dataByte[2] = (byte) pageCount;// 打印多联
// 有效数据长度
final int len = dataByte.length - 5;
dataByte[3] = (byte) (len &gt;&gt; 8);
dataByte[4] = (byte) (len &amp; 0xff);
// 数据内容
System.arraycopy(msgByte, 0, dataByte, 5, msgByte.length);
// 标识字节
dataByte[dataByte.length - 4] = 0x1b;
dataByte[dataByte.length - 3] = 0x63;
// 打印内容CRC校验
final byte[] dtCRC = getCRC(msgByte);
dataByte[dataByte.length - 2] = (byte) (dtCRC[0]);
dataByte[dataByte.length - 1] = (byte) (dtCRC[1]);
msgByte = dataByte;
return msgByte;
} catch (Exception ex) {
System.out.println(ex.getStackTrace());
}
return null;
}
public static byte[] getPrinterVoiceBytes(String printTxt,int pageCount,String encodingStr,String imeiStr,String msgId,String moneyStr,int payType){
byte[] voiceArray=getStaticVoiceBytes(imeiStr, msgId, moneyStr, payType);
byte[] printerArray=getPrinterBytes(printTxt,pageCount,encodingStr);
byte[] data=new byte[voiceArray.length+printerArray.length];
System.arraycopy(printerArray, 0, data, 0, printerArray.length);
System.arraycopy(voiceArray, 0, data, printerArray.length, voiceArray.length);
return data;
}
private static int[] CRC16Table = { 0x0000, 0x1189, 0x2312, 0x329b, 0x4624,
0x57ad, 0x6536, 0x74bf, 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c,
0xdbe5, 0xe97e, 0xf8f7, 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5,
0x472c, 0x75b7, 0x643e, 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed,
0xcb64, 0xf9ff, 0xe876, 0x2102, 0x308b, 0x0210, 0x1399, 0x6726,
0x76af, 0x4434, 0x55bd, 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e,
0xfae7, 0xc87c, 0xd9f5, 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7,
0x662e, 0x54b5, 0x453c, 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef,
0xea66, 0xd8fd, 0xc974, 0x4204, 0x538d, 0x6116, 0x709f, 0x0420,
0x15a9, 0x2732, 0x36bb, 0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868,
0x99e1, 0xab7a, 0xbaf3, 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1,
0x0528, 0x37b3, 0x263a, 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9,
0x8960, 0xbbfb, 0xaa72, 0x6306, 0x728f, 0x4014, 0x519d, 0x2522,
0x34ab, 0x0630, 0x17b9, 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a,
0xb8e3, 0x8a78, 0x9bf1, 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3,
0x242a, 0x16b1, 0x0738, 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb,
0xa862, 0x9af9, 0x8b70, 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c,
0xd3a5, 0xe13e, 0xf0b7, 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64,
0x5fed, 0x6d76, 0x7cff, 0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad,
0xc324, 0xf1bf, 0xe036, 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5,
0x4f6c, 0x7df7, 0x6c7e, 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e,
0xf2a7, 0xc03c, 0xd1b5, 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66,
0x7eef, 0x4c74, 0x5dfd, 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af,
0xe226, 0xd0bd, 0xc134, 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7,
0x6e6e, 0x5cf5, 0x4d7c, 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028,
0x91a1, 0xa33a, 0xb2b3, 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60,
0x1de9, 0x2f72, 0x3efb, 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9,
0x8120, 0xb3bb, 0xa232, 0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1,
0x0d68, 0x3ff3, 0x2e7a, 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a,
0xb0a3, 0x8238, 0x93b1, 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62,
0x3ceb, 0x0e70, 0x1ff9, 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab,
0xa022, 0x92b9, 0x8330, 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3,
0x2c6a, 0x1ef1, 0x0f78 };
private static byte[] getCRC(byte[] bytes) {
int crc = 0xFFFF; // 初始值
for (byte b : bytes) {
crc = (crc &gt;&gt; 8) ^ CRC16Table[(crc ^ b) &amp; 0xff];
}
byte[] b = new byte[2];
b[0] = (byte) ((crc &gt;&gt; 8)^0xff);
b[1] = (byte) ((crc &amp; 0xff)^0xff);
return b;
}
private static final char[] HEXES = { '0', '1', '2', '3', '4', '5', '6',
'7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
/**
* byte数组 转换成 16进制小写字符串
*/
private static String bytes2Hex(byte[] bytes) {
if (bytes == null || bytes.length == 0) {
return null;
}
StringBuilder hex = new StringBuilder();
for (byte b : bytes) {
hex.append(HEXES[(b &gt;&gt; 4) &amp; 0x0F]);
hex.append(HEXES[b &amp; 0x0F]);
}
return hex.toString();
}
}</code></pre>