<html>
<head>
<meta http-equiv="Content-Type" c />
<title>无标题文档</title>
<script language="javascript">
function ch(){
if(form1.chaxun.value=="")
alert("查询内容不能为空！");
form1.chaxun.focus();
return false;
}
</script>
</head>
<body>
<form id="form1" name="form1" method="post" action="">
<p>
<input name="chaxun" type="text" id="chaxun" />
<input type="submit" name="Submit" value="查询" />
</p>
<p>
<?
if(isset($_POST["Submit"])){
$link=mysql_connect("localhost","root","123456");
mysql_select_db("sdm");
mysql_query("SET NAMES gbk");
$chaxun=$_POST["chaxun"];
$sel=mysql_query("select id,name,dj form book where $chaxun=name");
$hang=mysql_num_rows($sel);
$data=msql_fetch_row($sel);
if($hang==0)
die("没有数据！请从新输入！");
echo "<table align=\"center\" border = \"1\" width=\90%\">";
echo "<tr>";
echo "<th>书号</th><th>书名</th><th>定价</th>";
for($i=0;$i<$hang;$i++){
echo "<tr>";
echo "<td>$data[0]</td><td>$data[1]</td><td>$data[2]</td>";
echo "</tr>";
$data=msql_fetch_row($sel);
}
echo "</table>";
mysql_free_result($sel);
mysql_close($link);
}
?>
</p>
</form>
</body>
</html>
运行出错；
Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in
D:\usr\local\www\data\text\untitled26.php on line
31
Fatal error: Call to undefined function: msql_fetch_row() in
D:\usr\local\www\data\text\untitled26.php on line
32
