我使用xmlhttprequest实现ajax,在IE6中没什么问题,但在IE7和firefox中都没有反应。哪位大侠帮忙看看问题出在哪?<script>function CreateXMLHTTP()
{
var xmlhttp_request = false;
try
{
if( window.ActiveXObject )//IE
{
for( var i = 5; i; i-- )
{
try
{
if( i == 2 )
{
xmlhttp_request = new ActiveXObject( "Microsoft.XMLHTTP" );
}
else
{
xmlhttp_request = new ActiveXObject( "Msxml2.XMLHTTP." + i + ".0" );
xmlhttp_request.setRequestHeader("Content-Type","text/xml");
if((charSet != null) && (charSet != ""))
{
xmlhttp_request.setRequestHeader("Content-Type",charSet);
}
}
break;
}
catch(e)
{
xmlhttp_request = false;
}
}
}
else if( window.XMLHttpRequest )//FireFox
{
xmlhttp_request = new XMLHttpRequest();
if (xmlhttp_request.overrideMimeType)
{
xmlhttp_request.overrideMimeType('text/xml');
}
}
}
catch(e)
{
xmlhttp_request = false;
}
return xmlhttp_request ;
}
var xmlhttp=CreateXMLHTTP();
function SendAjax(value)
{
//通过post方式访问Receive.aspx页面
xmlhttp.Open("post","Receive.aspx?value="+value,true);
xmlhttp.onreadystatechange = GetValue;
xmlhttp.send(null);
}var oDoc = createXMLDOM();
function GetValue()
{
alert("haha");
if(xmlhttp.ReadyState==4)
{
//获取页面返回结果。
var result = xmlhttp.responsetext;
oDoc.loadXML(rs);
//获取table节点
items=oDoc.selectNodes("/DocumentElement/Table");
var list = document.getElementById("list");
var heji = document.getElementById("heji");
var text="<ul id='buyul' class='shopping_content'>";
var num = 0;
var money = 0;
var item = items.nextNode();
while(item)
{
text+="<li class='shopping_content_all'><span class='shopping_ID_new'>"+item.selectSingleNode("name").nodeTypedValue+"</span>"
+"<span class='shopping_amount_new'><input style='border:1px solid #999' class='shopping_sl_new' type=text size=1 maxlength=2 onblur='javascript:return resetbuy(this,"+item.selectSingleNode("id").nodeTypedValue+");' value='"+item.selectSingleNode("count").nodeTypedValue +"' /></span>"
+"<span class='shopping_price_new'>"+item.selectSingleNode("price").nodeTypedValue+"</span><span class='shopping_DelImg' style='cursor:hand; ' onclick='javascript:DelPro("+ item.selectSingleNode("id").nodeTypedValue +");'><img src='img/shopping_del.gif' border='0' /></span></li>";
num += parseInt(item.selectSingleNode("count").nodeTypedValue);
money +=parseInt(item.selectSingleNode("count").nodeTypedValue) * parseFloat(item.selectSingleNode("price").nodeTypedValue);
item=items.nextNode();
}
text+="</ul>";
heji.innerHTML="<span>合计:</span><span>"+num+"份</span><span> "+money+"元</span>";
list.innerHTML=text;
}
}
{
var xmlhttp_request = false;
try
{
if( window.ActiveXObject )//IE
{
for( var i = 5; i; i-- )
{
try
{
if( i == 2 )
{
xmlhttp_request = new ActiveXObject( "Microsoft.XMLHTTP" );
}
else
{
xmlhttp_request = new ActiveXObject( "Msxml2.XMLHTTP." + i + ".0" );
xmlhttp_request.setRequestHeader("Content-Type","text/xml");
if((charSet != null) && (charSet != ""))
{
xmlhttp_request.setRequestHeader("Content-Type",charSet);
}
}
break;
}
catch(e)
{
xmlhttp_request = false;
}
}
}
else if( window.XMLHttpRequest )//FireFox
{
xmlhttp_request = new XMLHttpRequest();
if (xmlhttp_request.overrideMimeType)
{
xmlhttp_request.overrideMimeType('text/xml');
}
}
}
catch(e)
{
xmlhttp_request = false;
}
return xmlhttp_request ;
}
var xmlhttp=CreateXMLHTTP();
function SendAjax(value)
{
//通过post方式访问Receive.aspx页面
xmlhttp.Open("post","Receive.aspx?value="+value,true);
xmlhttp.onreadystatechange = GetValue;
xmlhttp.send(null);
}var oDoc = createXMLDOM();
function GetValue()
{
alert("haha");
if(xmlhttp.ReadyState==4)
{
//获取页面返回结果。
var result = xmlhttp.responsetext;
oDoc.loadXML(rs);
//获取table节点
items=oDoc.selectNodes("/DocumentElement/Table");
var list = document.getElementById("list");
var heji = document.getElementById("heji");
var text="<ul id='buyul' class='shopping_content'>";
var num = 0;
var money = 0;
var item = items.nextNode();
while(item)
{
text+="<li class='shopping_content_all'><span class='shopping_ID_new'>"+item.selectSingleNode("name").nodeTypedValue+"</span>"
+"<span class='shopping_amount_new'><input style='border:1px solid #999' class='shopping_sl_new' type=text size=1 maxlength=2 onblur='javascript:return resetbuy(this,"+item.selectSingleNode("id").nodeTypedValue+");' value='"+item.selectSingleNode("count").nodeTypedValue +"' /></span>"
+"<span class='shopping_price_new'>"+item.selectSingleNode("price").nodeTypedValue+"</span><span class='shopping_DelImg' style='cursor:hand; ' onclick='javascript:DelPro("+ item.selectSingleNode("id").nodeTypedValue +");'><img src='img/shopping_del.gif' border='0' /></span></li>";
num += parseInt(item.selectSingleNode("count").nodeTypedValue);
money +=parseInt(item.selectSingleNode("count").nodeTypedValue) * parseFloat(item.selectSingleNode("price").nodeTypedValue);
item=items.nextNode();
}
text+="</ul>";
heji.innerHTML="<span>合计:</span><span>"+num+"份</span><span> "+money+"元</span>";
list.innerHTML=text;
}
}
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在firefox中。
function SendAjax(value)
{
//通过post方式访问Receive.aspx页面
xmlhttp.Open("post","Receive.aspx?value="+value,true);
alert("wawa"); //这句代码都没有执行,,,为什么?
xmlhttp.onreadystatechange = GetValue;
xmlhttp.send(null);
}
function GetXmlHttpObject(handler)
{
var objXmlHttp = null;
if (window.XMLHttpRequest){ objXmlHttp = new XMLHttpRequest(); objXmlHttp.onload = handler; }
else objXmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
objXmlHttp.onreadystatechange = handler;
return objXmlHttp;
}
用这个吧
//换成这样了,还是没反应:
function GetXmlHttpObject(handler)
{
var objXmlHttp = null;
if (window.XMLHttpRequest){ objXmlHttp = new XMLHttpRequest(); objXmlHttp.onload = handler; }
else objXmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
objXmlHttp.onreadystatechange = handler;
return objXmlHttp;
}
function SendAjax(value)
{
xmlhttp=GetXmlHttpObject(GetValue);
//通过post方式访问Receive.aspx页面
xmlhttp.Open("GET","Receive.aspx?value="+value,true);
xmlhttp.send(null);
}