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#manage_action_class.php
if(isset($_GET['pot'])){
echo "端口正常";
}
var xmlHttp;
function createXMLHttpRequest() {
if(window.XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
} else if (window.ActiveXObject) {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
}
function routeList(){
createXMLHttpRequest();
var port = document.condsys.netport;
for(var i=0; i<port.options.length; i++){
if (port.options[i].selected == true){
var pot = port.options[i].text;
} //end if
}
url = "manage_action_class.php?pot="+pot+"&ran="+Math.random();
method = "GET";
xmlHttp.open(method,url,true);
xmlHttp.onreadystatechange = showList;
xmlHttp.send(null);
}
function showList(){
if (xmlHttp.readyState == 1){
document.getElementById("route").innerHTML="响应中……";
}else{
document.getElementById("route").innerHTML="";
}
if (xmlHttp.readyState == 4){
if (xmlHttp.status == 200){
var text = xmlHttp.responseText;
//在此将获取到的后台信息打印出来,如果是你想要的信息再将其屏蔽
alert("text-->>"+text);
return;
document.getElementById("route").innerHTML = text;
}else {
alert("response error code:"+xmlHttp.status);
}
}
}
<div id="route"></div>