📄 真正的串口打印.html
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta http-equiv="Content-Language" content="en-us">
<title>Test Print</title>
</head>
<script language="javascript">
function init(){
//document.all.printport.CommPort = "3";
document.all.printport.PortOpen = true;
}
function doPrint(printmsg){
document.all.printport.Output = printmsg;
}
function pageEnd(){
document.all.printport.PortOpen = false;
}
</script>
<body onload='init();' onunload='pageEnd();'>
<form method="POST" action="--WEBBOT-SELF--">
<p><textarea rows="21" name="S1" cols="86"></textarea></p>
<p><input type="button" value="Print" name="B1" onclick='doPrint(document.all.S1.value);'></p>
<p><object id="printport" classid="clsid:648A5600-2C6E-101B-82B6-000000000014" style="display:none">
<param name="CommPort" value="3">
<param name="DTREnable" value="1">
<param name="Handshaking" value="0">
<param name="InBufferSize" value="1024">
<param name="InputLen" value="0">
<param name="NullDiscard" value="0">
<param name="OutBufferSize" value="512">
<param name="ParityReplace" value="63">
<param name="RThreshold" value="0">
<param name="RTSEnable" value="0">
<param name="BaudRate" value="9600">
<param name="ParitySetting" value="0">
<param name="DataBits" value="8">
<param name="StopBits" value="0">
<param name="SThreshold" value="0">
<param name="EOFEnable" value="0">
<param name="InputMode" value="0">
</object></p>
</form>
</body>
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