javascript读取RFID卡号源码
2023-12-20 18:28:08
本示例使用的读卡器：Web浏览器JS网页可编程二次开发RFID读卡器Android Linux乐乐课堂-淘宝网 (taobao.com)?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>EM_TK4100_ID读卡器DEMO</title>
<script language="javascript">
var iswsrun = false;
var ws;
var received_msg = "";
var mytimer;
var strls = "";
var errorno = "";
var wsUri = "ws://127.0.0.1:39189"; //端口号必须与RFIDWebServer端口一致
function beep() { //驱动发卡器响声令
textarea.value = "";
WebSocketRun("idr_beep,30"); //30为响声时长豪秒，取值范围1-65535
}
function getdevicenumber() { //读取发卡器唯一出厂序号，可以当加密狗使用
textarea.value = "";
serialnumber.value="";
WebSocketRun("IDpcdgetdevicenumber");
}
function ReadID() { //卡片在感应区内可以连续读取卡号
textarea.value = "";
carduid.value="";
Vendorcode.value="";
card8h10dz.value="";
card8h10df.value="";
cardwg26z.value="";
cardwg34z.value="";
WebSocketRun("idr_read,");
}
function ReadIDOne() { //卡片进入感应区内只可读取一次卡号，再次读取需将卡片移开再次放入感应区
textarea.value = "";
carduid.value="";
Vendorcode.value="";
card8h10dz.value="";
card8h10df.value="";
cardwg26z.value="";
cardwg34z.value="";
WebSocketRun("idr_read_once,");
}
function DispErrInfo(errcode){
var errstr = "";
switch (errcode) {
case "ReturnCode:008":
errstr = "，未寻到卡，请重新将卡放到发卡器的感应区！";
break;
case "ReturnCode:021":
errstr = "，没有动态库！";
break;
case "ReturnCode:022":
errstr = "，动态库或驱动程序异常！";
break;
case "ReturnCode:023":
errstr = "，驱动程序错误或发卡器未连接！";
break;
case "ReturnCode:024":
errstr = "，操作超时，一般是动态库没有反映！";
break;
case "ReturnCode:025":
errstr = "，发送字数不够！";
break;
case "ReturnCode:026":
errstr = "，发送的CRC错！";
break;
case "ReturnCode:027":
errstr = "，接收的字数不够！";
break;
case "ReturnCode:028":
errstr = "，接收的CRC错！";
break;
case "ReturnCode:029":
errstr = "，函数输入参数格式错误！";
break;
case "ReturnCode:444":
errstr = "，RFIDWebServer系统文件错误！";
break;
default:
errstr = "，未知的错误！";
}
return errstr;
}
window.onerror = function (e) {
alert("不好意思，出错了!");
return true;//屏蔽系统事件
}
function timeoutevent() {
ws.close();
textarea.value = "websockket返回超时";
}
//websockket数据处理
function WebSocketRev(evt) {
clearTimeout(mytimer);
received_msg = evt.data;
ws.close();
//在这里解析返回数据
var strlist = received_msg.split(",");
if (strlist.length > 1) {
var dispstr = "";
switch (strlist[0]) {
case "idr_beep":
dispstr = "函数名称:" + strlist[0] + "\r\n";
if (strlist[1] == "ReturnCode:000") {
dispstr = dispstr + "操作结果:" + strlist[1];
dispstr = dispstr + "，已执行蜂鸣响声操作！\r\n"
} else {
dispstr = dispstr + "操作结果:" + strlist[1];
dispstr = dispstr + DispErrInfo(strlist[1]);
}
textarea.value = dispstr;
break;
case "pcdgetdevicenumber":
dispstr = "函数名称:" + strlist[0] + "\r\n";
if (strlist[1] == "ReturnCode:000") {
dispstr = dispstr + "操作结果:" + strlist[1];
dispstr = dispstr + "，已读取设备编号！\r\n"
serialnumber.value = strlist[2] ;
} else {
dispstr = dispstr + "操作结果:" + strlist[1];
dispstr = dispstr + DispErrInfo(strlist[1]);
}
textarea.value = dispstr;
break;
case "idr_read":
case "idr_read_once":
dispstr = "函数名称:" + strlist[0] + "\r\n";
if (strlist[1] == "ReturnCode:000") {
dispstr = dispstr + "操作结果:" + strlist[1];
dispstr = dispstr + "，已读取卡号！\r\n"
} else {
dispstr = dispstr + "操作结果:" + strlist[1];
dispstr = dispstr + DispErrInfo(strlist[1]);
}
if (strlist.length > 2) {
carduid.value=strlist[2] ;
Vendorcode.value=strlist[2].substring(0,2);
HLCode=strlist[2].substring(2,4)+strlist[2].substring(4,6)+strlist[2].substring(6,8)+strlist[2].substring(8,10);
card8h10dz.value=parseInt("0x"+HLCode).toString().padStart(10, '0');
LHCode=strlist[2].substring(8,10)+strlist[2].substring(6,8)+strlist[2].substring(4,6)+strlist[2].substring(2,4);
card8h10df.value=parseInt("0x"+LHCode).toString().padStart(10, '0');
cardwg26z.value=parseInt("0x"+strlist[2].substring(4,6)).toString().padStart(3, '0')+parseInt("0x"+strlist[2].substring(6,10)).toString().padStart(5, '0');
cardwg34z.value=parseInt("0x"+strlist[2].substring(2,6)).toString().padStart(5, '0')+parseInt("0x"+strlist[2].substring(6,10)).toString().padStart(5, '0');
}
textarea.value = dispstr;
break;
}
}
}
function WebSocketRun(sendinfo) {
iswsrun = false;
try {
if ("WebSocket" in window) {
ws = new WebSocket(wsUri);
}
else if ("MozWebSocket" in window) {
ws = new MozWebSocket(wsUri);
}
else {
received_msg = "您的浏览器不支持WebSocket，请选用支持WebSocket的浏览器！";
return;
}
clearTimeout(mytimer);
ws.onopen = function (evt) {
ws.send(sendinfo);
iswsrun = true;
mytimer = setTimeout("timeoutevent()", 2000);
};
ws.onmessage = WebSocketRev;
ws.onerror = function (e) {
if (iswsrun != true) {
received_msg = "请先在当前电脑下载>安装>运行我们的服务程序......";
window.open("http://www.icmcu.com/ICID15693-02V2test/RFIDWebServerSetup.exe", "top");//打开新窗口
alert("请先下载>安装>运行我们的服务程序，再刷新本页面......");
}
};
}
catch (ex) {
if (iswsrun != true) {
received_msg = "请先在当前电脑下载>安装>运行我们的服务程序......";
window.open("http://www.icmcu.com/ICID15693-02V2test/RFIDWebServerSetup.exe", "top");//打开新窗口
alert("请先下载>安装>运行我们的服务程序，再刷新本页面......");
}
}
}
</script>
</head>
<body>
<table width="866" height="224" border="1" align="center">
<tr>
<th width="124" height="47" scope="row"><input name="butt_beep" type="submit" id="butt_beep" onclick="beep()" value="驱动发卡器响声" /></th>
<td width="716"><input name="butt_getdevnum" type="submit" id="butt_getdevnum" onclick="getdevicenumber()" value="读取发卡器唯一出厂序列号" />
设备编号：
<input name="serialnumber" type="text" id="serialnumber" size="8" maxlength="8" /></td>
</tr>
<tr>
<th height="76" scope="row"><p>
<input name="butt_idr_read" type="submit" id="butt_idr_read" onclick="ReadID()" value="连续读取ID卡号" />
</p>
<p> </p>
<p>
<input name="button" type="submit" id="button" onclick="ReadIDOne()" value="只读一次ID卡号" />
</p></th>
<td><p>原始16进制卡号：
<input name="carduid" type="text" id="carduid" size="10" maxlength="10" />
，厂商代码：
<input name="Vendorcode" type="text" id="Vendorcode" size="2" maxlength="2" />
</p>
<p>转8H10D正码：
<input name="card8h10dz" type="text" id="card8h10dz" size="10" maxlength="10" />
，转8H10D反码：
<input name="card8h10df" type="text" id="card8h10df" size="10" maxlength="10" />
</p>
<p>转WG26正码：
<input name="cardwg26z" type="text" id="cardwg26z" size="10" maxlength="10" />
，转WG34正码：
<input name="cardwg34z" type="text" id="cardwg34z" size="10" maxlength="10" />
</p></td>
</tr>
<tr>
<th height="78" scope="row"><p>操作提示</p></th>
<td><textarea name="textarea" id="textarea" cols="100" rows="5" ></textarea></td>
</tr>
</table>
</body>
</html>
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文章来源:https://blog.csdn.net/zhangjin7422/article/details/135113794
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本文来自互联网用户投稿，该文观点仅代表作者本人，不代表本站立场。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。 如若内容造成侵权/违法违规/事实不符，请联系我的编程经验分享网邮箱：veading@qq.com进行投诉反馈，一经查实，立即删除！