<?php
include("conn.php") ;
include('head.php') ;
if($_POST['submit'])
{
$sql="insert into message(id,user,title,content,lastdate) values('','$_POST[user]','$_POST[title]','$_POST[content]',now())";
mysql_query("$sql") ;
echo "发表成功!" ;
}?>
<SCRIPT language=javascript>
function CheckPost()
{
if (myform.user.value=="")
{
alert(“请填写用户”);
myform.user.focus();
return false;
}
if (myform.title.value.length<5)
{
alert("标题不能少于5个字符");
myform.title.focus();
return false ;
}
}
</SCRIPT>
<form action="add.php" method="POST" name="myform" onsubmit="return CheckPost();"> 用户:<input type="text" name="user" size="10" /><br>
标题:<input type="text" name="title" size="10" /><br>
内容:<textarea name="content" cols='60' rows='9'></textarea> <br>
<input type="submit" name="submit" value ="提交留言"/>
</form>
include("conn.php") ;
include('head.php') ;
if($_POST['submit'])
{
$sql="insert into message(id,user,title,content,lastdate) values('','$_POST[user]','$_POST[title]','$_POST[content]',now())";
mysql_query("$sql") ;
echo "发表成功!" ;
}?>
<SCRIPT language=javascript>
function CheckPost()
{
if (myform.user.value=="")
{
alert(“请填写用户”);
myform.user.focus();
return false;
}
if (myform.title.value.length<5)
{
alert("标题不能少于5个字符");
myform.title.focus();
return false ;
}
}
</SCRIPT>
<form action="add.php" method="POST" name="myform" onsubmit="return CheckPost();"> 用户:<input type="text" name="user" size="10" /><br>
标题:<input type="text" name="title" size="10" /><br>
内容:<textarea name="content" cols='60' rows='9'></textarea> <br>
<input type="submit" name="submit" value ="提交留言"/>
</form>
{
if (myform.user.value=="")
{
alert(“请填写用户”);
myform.user.focus();
return false;
}
if (myform.title.value.length<5)
{
alert("标题不能少于5个字符");
myform.title.focus();
return false ;
}
}
<form action="add.php" method="POST" name="myform" onsubmit="return CheckPost(this);">js参数都没传, "myform"哪来的啊