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Warning:mysql_num_rows():suppliedargumentisnotavalidMySQLresultresourc解决办法

作者：模板之家 2020-3-29 12:34 159人关注

Warning:mysql_num_rows():suppliedargumentisnotavalidMySQLresultresourchtmlheadmetahttp-equiv="Content-Type",Warning:mysql_num_rows():suppliedargumentisnotavalidMySQLresultresourc解决办法

Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resourc

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    include("conn.php");
    $SQL="SELECT * FROM `liuyanban` order by id desc";
    $query=mysql_query($SQL);


$total=mysql_num_rows($query);
$pagesize=3;
$end_page=ceil($total/$pagesize);
$page = $_GET['page']; //当前页
if($page<=0)
{
$page =1;
}

if($page>$end_page)
{
$page=$end_page;
}
$start = ($page- 1)*$pagesize;
$sql = "select * from liuyanban limit $start, $pagesize ";

//mysql_query("set names 'GBK'");
$ros = mysql_query($sql,$connect);
?>

echo "留言表";
echo "
";
echo "当前第[$page]页,共[$end_page]页";
if($page==1)
{

?>
  首页
   }else
{
?>
  首页


   }
?>

  " >上一页
  " >下一页

   if($page==$end_page)
{
?>
  尾页
   }else
{
?>
  ">尾页
   }
?>

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        while ($row=mysql_fetch_array($ros)){
   ?>

     ">修改 ">删除

       }
   ?>

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