复制代码 代码如下: Ajax 给 XMLHttpReq.onreadystatechange传递参数 通过： xmlhttp.onreadystatechange= function(){xx(123)}; or xmlhttp.onreadystatechange= new Function("xx(123)"); 就可以了，url); xhr.send(null); xhr.onreadystatechange = function(){ if(4==xhr.readyState) { if(200==xhr.status) { //var xmldoc=xmlHttpRequest.responseXML; var xmldoc=xhr.responseText; document.getElementById("disp").innerHTML=xmldoc; } else { //alert(xhr.status); } } }; } /* function handleXMLHttpRequest( xmlHttpRequest) { alert(xmlhttpRequest + 2); if(4==xmlHttpRequest.readyState) { if(200==xmlHttpRequest.status){ //var xmldoc=xmlHttpRequest.responseXML; var xmldoc=xmlHttpRequest.responseText; document.getElementById("disp").innerHTML=xmldoc; } else { alert(xmlHttpRequest.status); } } } function doXMLHttpRequest() { var xhr = getXMLHttpRequest(); var url="http://211.87.235.108:5000/sensor.xml"; xhr.open("GET"， Ajax 给 XMLHttpReq.onreadystatechange传递参数 通过： xmlhttp.onreadystatechange= function(){xx(123)}; or xmlhttp.onreadystatechange= new Function("xx(123)"); 就可以了，url); xhr.send(null); xhr.onreadystatechange =function (){ handleXMLHttpRequest(xhr); }; } function myrefresh() { window.location.reload(); } setTimeout('myrefresh()'，url); xhr.send(null); xhr.onreadystatechange = function(){ if(4==xhr.readyState) { if(200==xhr.status) { //var xmldoc=xmlHttpRequest.responseXML; var xmldoc=xhr.responseText; document.getElementById("disp").innerHTML=xmldoc; } else { //alert(xhr.status); } } }; xhr.onstatechange = function() { handleXMLHttpRequest(xhr) ; }; } */ function handleXMLHttpRequest( xmlHttpRequest) { if(4==xmlHttpRequest.readyState) { if(200==xmlHttpRequest.status){ //var xmldoc=xmlHttpRequest.responseXML; var xmldoc=xmlHttpRequest.responseText; document.getElementById("disp").innerHTML=xmldoc; } else { alert(xmlHttpRequest.status); } } } function doXMLHttpRequest() { var xhr = getXMLHttpRequest(); var url="http://localhost:5000/sensor.xml"; xhr.open("GET"，1000); //指定1秒刷新一次 // --/mce:script /head mce:style!-- body {font-size:12px;} --/mce:stylestyle mce_bogus="1" body {font-size:12px;}/style body div /div /body /html 用例2： 复制代码 代码如下: html head meta http-equiv="Content-Type" content="text/html; charset=gb2312" title My Documents /title mce:script language="javascript"!-- function getXMLHttpRequest() { var xmlHttpRequest; try { xmlHttpRequest=new XMLHttpRequest(); } catch (e) { try { xmlHttpRequest=new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) { try { xmlHttpRequest=new ActiveXObjec("Msxml2.XMLHTTP"); } catch (e) { throw new Error('Unable to create XMLHttpRequest.') } } } return xmlHttpRequest; } function test() { var xhr = getXMLHttpRequest(); var url="http://211.87.235.108:5000/sensor.xml"; xhr.open("GET"，1000); //指定1秒刷新一次 // --/mce:script /HEAD mce:style!-- body {font-size:12px;} --/mce:stylestyle mce_bogus="1" body {font-size:12px;}/style body div /div /body /html ，url); xhr.send(null); xhr.onreadystatechange = handleXMLHttpRequest(); } */ function myrefresh() { window.location.reload(); } // setTimeout('myrefresh()'， m=document.getElementsByName("text8"); v=m[i]; XMLHttpReq.onreadystatechange=function(){proce(v)}; ---------------------------------------------- function proce(v) { if(XMLHttpReq.readyState==4) { if(XMLHttpReq.status==200) { var res=XMLHttpReq.responseXML.getElementsByTagName("content")[0].firstChild.data; v.value=res; } else { v.value='....'; } } } 一个小测试的例子： 复制代码 代码如下: html head meta http-equiv="Content-Type" content="text/html; charset=gb2312" titletest Ajax/title mce:script language="javascript"!-- function getXMLHttpRequest() { var xmlHttpRequest; try { xmlHttpRequest=new XMLHttpRequest(); } catch (e) { try { xmlHttpRequest=new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) { try { xmlHttpRequest=new ActiveXObjec("Msxml2.XMLHTTP"); } catch (e) { throw new Error('Unable to create XMLHttpRequest.') } } } return xmlHttpRequest; } /* function test() { var xhr = getXMLHttpRequest(); var url="http://211.87.235.108:5000/sensor.xml"; xhr.open("GET"，。