JS调用MSCOMM32.OCX的例子未触发其中的时间！怎么调整？
- JScript code
<html xmlns="http://www.w3.org/1999/xhtml"><head><title></title> <object classid="clsid:648A5600-2C6E-101B-82B6-000000000014" id="MSComm1" codebase="MSCOMM32.OCX" type="application/x-oleobject" style="left: 54px; top: 14px"> <param name="CommPort" value="1" /> <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="?" /> <param name="RThreshold" value="1" /> <param name="RTSEnable" value="1" /> <param name="SThreshold" value="2" /> <param name="EOFEnable" value="0" /> <param name="InputMode" value="0" /> <param name="DataBits" value="8" /> <param name="StopBits" value="1" /> <param name="BaudRate" value="9600" /> <param name="Settings" value="9600,N,8,1" /> </object></head><script id="clientEventHandlersJS" language="javascript" type="text/javascript"> function MSComm1_OnComm() { var len=0; window.alert("happy"); if(MSComm1.CommEvent==1)//如果是发送事件 { window.alert("ok");//这句正常，说明发送成功了 } else if(MSComm1.CommEvent==2)//如果是接收事件 { //window.alert(MSComm1.CommEvent); window.alert(MSComm1.Input);// //documentdocument.form1.txtReceive.value=document.form1.txtReceive.value + MSComm1.Input; } return false; } </script><script language="javascript" for="MSComm1" event="OnComm"> MSComm1_OnComm() </script><script language="JavaScript" type="text/JavaScript"> //打开端口并发送命令程序 function OpenPort() { debugger; if (MSComm1.PortOpen == false) { MSComm1.PortOpen = true; MSComm1.Output = "R"; //发送命令 } else { window.alert("已经开始接收数据!"); } } </script><body><div><input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwULLTE2MTY2ODcyMjlkZGG1hdTnKQNeruvlo/lg73qyBHUU" /></div> <div> <input type="submit" name="Submit" value="提交" onclick="OpenPort()" /> <input type="text" name="txtReceive" value="" /> </div> </form></body></html>[解决办法]
不会，帮你顶一下