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var xmlHttp;
function createXMLHttpRequest() {
try {
xmlHttp = new XMLHttpRequest();
} catch (trymicrosoft) {
try {
xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (othermicrosoft) {
try {
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (failed) {
xmlHttp = false;
}
}
}
}
function startRequest(url) {
createXMLHttpRequest();
xmlHttp.onreadystatechange = handleStateChange;
xmlHttp.open("GET", url, true);
xmlHttp.send(null);
}
function handleStateChange() {
if (xmlHttp.readyState == 4) {
if (xmlHttp.status == 200) {
document.getElementById("results").innerHTML = xmlHttp.responseText;
}
}
}
function sendText() {
var messages = document.getElementById("messages").value;
var ip = document.getElementById("ip").value;
startRequest("sale_message.asp?messages=" + messages + "&ip=" + ip);
document.getElementById("messages").value = "OK";
//document.getElementById('HistoryContent').scrollTop = document.getElementById('HistoryContent').scrollHeight;
}
function handleStateChange() {
if (xmlHttp.readyState == 4) {
alert(xmlHttp.responseText)//加这句看输出什么内容
if (xmlHttp.status == 200) {
document.getElementById("results").innerHTML = xmlHttp.responseText;
}
}
}
或者按照1#的看页面显示什么错误