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这样不行:
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>无标题页</title>
<script>
document.getElementById('assignNum').value="sss";
</script>
</head>
<body>
<form id="form1" runat="server">
<input type="text" size="20" name="assignNum" id="assignNum" />
</form>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>无标题页</title>
</head>
<body>
<form id="form1" runat="server">
<input type="text" size="20" name="assignNum" id="assignNum" />
</form>
<script>
document.getElementById('assignNum').value="sss";
</script>
</body>
</html>
function getNum(bookName)
{
if(bookName != '')
{
sendAjaxValue('add_book.php',document.getElementById('assignNum'),'bookName='+bookName);
}
}
用到input框
<td width="50%" height="18"><input type="text" name="bookName" id="bookName" size="20" onblur="getNum(this.value);"></td>
<input type="text" name="assignNum" size="20" id="assignNum"></td>
AJAX代码
//AJAX应用实体
function sendAjaxValue( sURL , obj, pdata)
{
var ajax = InitAjax();
ajax.open('POST', sURL, true);
ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=gbk");
ajax.send( pdata );
ajax.onreadystatechange = function() {
if(ajax.readyState == 4 )
{
if (ajax.status == 404)
{
self.status="访问出错,请重试!";
}else{
obj.value = ajax.responseText;
delete ajax;
ajax=null;
CollectGarbage();
}
}
}
}
function getNum(bookName)
{
if(bookName != '')
{
sendAjaxValue('add_book.php',assignNum,'bookName='+bookName);
}
}