新闻标题：
不能为空
代码如下
<script language="网页特效">
function startrequestusingpost() {
if(checktitle()==false)
{
return;
}
var title = document.getelementbyid("title").value;
createxmlhttprequest();
xmlhttp.open("post","checkntype",true);
xmlhttp.onreadystatechange = processresponse;
xmlhttp.setrequestheader("content-type","application/x-www-form-urlencoded");
xmlhttp.send("title=" + title);
}
function processresponse() {
if(xmlhttp.readystate == 4) {
if(xmlhttp.status == 200) {
var result = xmlhttp.responsetext;
if(result==1){
document.getelementbyid("message").style.display="inline";
document.getelementbyid("btnadd").disabled="disabled";
}else
{
document.getelementbyid("message").style.display="none";
document.getelementbyid("btnadd").disabled="";
}
}
}
}
function checktitle()
{
var title=document.getelementbyid("title").value;
if(title=="")
{
document.getelementbyid("lbltitle").style.display="inline";
return false;
}else
{
document.getelementbyid("lbltitle").style.display="none";
return true;
}
}
</script>
php代码
代码如下 $title = $_post["title"];if( $title ="www.111cn.net")
{
echo 1;
}
else
{
echo 0;
}
?>
[phpstudy]php ajax仿dedecms 验证新闻是否存在
http://m.bbyears.com/wangyezhizuo/26641.html
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