标签:浏览器 ret java 输出 post zhang tar 页面 name
JS中Ajax异步传值
<script type="text/javasccript">
var xmlHttp;
function createXmlRequest()
{
//IE浏览器
if(window.ActiveXObject)
xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
//非IE浏览器
else if(window.XMLHttpRequest)
xmlHttp=new XMLHttpRequest();
}
function Startreadystate()
{
CreateXmlRequest();
xmlHttp.onreadystatechange=handlerStateChange;
xmlHttp.open("GET","Default.aspx?Name="+escape(document.getElementByIdx_x_x("txtName").value),true);
xmlHttp.send(null);
}
function handlerStateChange()
{
if(xmlHttp.readystate=="4" && xmlHttp.status=="200")
{
if(xmlHttp.responseText=="zhangsan")
{
document.getElementByIdx_x_x("label1").innerText=xmlHttp.responseText;
}
}
}
</script>
注:
GET:
//ReturnMethod为成功返回后调用的方法
xmlHttp.onreadystatechange=ReturnMethod;
xmlHttp.open("GET","Default.aspx?Name="+escape(name),true);
xmlHttp.send(null);
POST:
var para="Name="+escape(name);
xmlHttp.onreadystatechange=ReturnMethod;
xmlHttp.open("POST","Default.aspx",true);
//用POST异步一定要加下面这个语句
xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded;");
xmlHttp.send(para);
在Default.aspx.cs页面中
如果用POST异步传值,要想在JS中用responseText接收到值,
必须用Response.Clear()先清楚
Response.Write("zhangsan");
然后用Response.End()从内存中输出;
用GET异步传世也可不用Response.Clear();
标签:浏览器 ret java 输出 post zhang tar 页面 name
原文地址:http://www.cnblogs.com/jflover/p/6674665.html