我已经知道这是编码问题，可这有点不可理解！请高手们给个说法，呵呵。
是这样的，我所有文件的编码都是 "utf-8" 的，按理说，Ajax默认传送数据用的就是 utf-8,可为什么当我把下面一个件的编码从 gb2312 改为 utf-8 的时候，却接收不到服务器端的数据。再改回gb2312就一切正常了。下面是源文件：
index.asp:
----------------------------------
<%@LANGUAGE="VBSCRIPT" CODEPAGE="65001"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" c>'《--就是这里改成utf-8
<title></title> 就会出问题。
</head>
<script language="javascript" src="Ajax.js"></script>
<body onload=javascript:loadGashType();>
<form id="dd" name="fd" method="post" action="">
<select name="ClassName" id="ClassName" >
<option value="0" selected="selected">请选择</option>
</select>
<select name="nameDot" id="nameDot" >
<option value="0" selected="selected">请选择</option>
</select>
</form>
<div id=statusTxt></div>
</body>
</html>
ajax.js
-------------------------------------
// JavaScript Document
var http_request = false;
function send_request(url,method)
{
http_request = false;
if(window.XMLHttpRequest)
{
http_request = new XMLHttpRequest();
if (http_request.overrideMimeType)
{
http_request.overrideMimeType('text/xml');
}
}
else if (window.ActiveXObject)
{
try
{
http_request = new ActiveXObject("Msxml2.XMLHTTP");
}
catch (e)
{
try
{
http_request = new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e)
{
}
}
}
if (!http_request)
{
window.alert("不能创建XMLHttpRequest对象实例.");
return false;
}
switch(method)
{
case 1: http_request.onreadystatechange = processRequest1;
break;
case 2: http_request.onreadystatechange = processRequest2;
break;
}
http_request.open("GET",url, true);
http_request.send(null);
}
function processRequest1()
{
if (http_request.readyState == 4)
{
if (http_request.status == 200)
{
document.getElementById("statusTxt").innerHTML="";
addOptionGroup("ClassName",http_request.responseText);
}
else
{
alert("您所请求的页面有异常。");
}
}
else
{
document.getElementById("statusTxt").innerHTML="正在读取数据中……";
}
}
function processRequest2()
{
if (http_request.readyState == 4)
{
if (http_request.status == 200)
{
document.getElementById("statusTxt").innerHTML="";
addOptionGroup("nameDot",http_request.responseText);
}
else
{
alert("您所请求的页面有异常。");
}
}
else
{
document.getElementById("statusTxt").innerHTML="正则读取数据中……";
}
}
function loadGashType()
{
send_request("select.asp?action=gashType",1);
}
function loadGash()
{
send_request("select.asp?action=gash&id="+document.getElementById("ClassName").value,2);
}
function addOption(objSelectNow,txt,val)
{
var objOption = document.createElement("OPTION");
objOption.text= txt;
objOption.value=val;
objSelectNow.options.add(objOption);
}
function addOptionGroup(selectId,optGroupString)
{
var optGroup = optGroupString.split(",");
var objSelect = document.getElementsByTagName("SELECT");
var objSelectNow = objSelect[selectId];
objSelectNow.length = 1;
for (i=1; i<optGroup.length; i++)
{
if(optGroup
!="")
{
var opt = optGroup.split("|");
addOption(objSelectNow, opt[0], opt[1]);
}
}
}
select.asp
-------------------------------------------------------
<%@LANGUAGE="VBSCRIPT" CODEPAGE="65001"%>
<%
response.Buffer=true
Session.CodePage=65001
Response.Charset="utf-8"
dim oConn,DbPath
set oConn=Server.CreateObject("Adodb.Connection")
DbPath=Server.MapPath("data/#mydata.mdb")
oConn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & DbPath
Set oRs = Server.CreateObject( "ADODB.Recordset" )
action = Request.QueryString("action")
response.Write("请选择|-1,")
if action = "gashType" then
sql = "select * from classDot"
oRs.open sql,oConn,1,3
if not (oRs.eof or oRs.bof) then
while not oRs.eof
Response.Write oRs("classDotName")&"|"&oRs("id")&","
oRs.movenext
wend
end if
oRs.close
elseif action = "gash" then
sql = "select * from [dotcard] where classID ="&Request.QueryString("id")&" and not isdel"
oRs.open sql,oConn,1,3
if not (oRs.eof or oRs.bof) then
while not oRs.eof
Response.Write oRs("dotcard")&"|"&oRs("cardid")&","
oRs.movenext
wend
end if
oRs.close
else
response.Write("程序出错")
end if
oConn.close
%>
//请各个朋友给瞧瞧，给点看法哦，呵呵，我在线呢。
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