html代码如下:
ajax代码如下:
// 创建ajax引擎
function getXmlHttpObject() {
var xmlHttpRequest;
if (window.ActiveXObject) {
xmlHttpRequest = new ActiveXObject("Microsoft.XMLHTTP");
} else {
xmlHttpRequest = new XMLHttpRequest();
}
return xmlHttpRequest;
}
var myXmlHttpRequest = "";
function getArea() {
//alert(ID('teId').value);
myXmlHttpRequest = getXmlHttpObject();
// 怎样判断是否可以www.111cn.net
if (myXmlHttpRequest) {
// post 发送数据
var url = "ajax_tiwen.php";
var date = "teId=" + ID('teId').value;
myXmlHttpRequest.open("post", url, true);
myXmlHttpRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=utf-8");
myXmlHttpRequest.onreadystatechange = TiWen;
myXmlHttpRequest.send(date);
}
}php代码如下:
';
$str.= ' ';
$str.= '';
echo $str;
exit;
} else {
$str.= '';
echo $str;
}
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