<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
</head>
<body>
<!--显示结果
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<?
$conn=mysql_connect("localhost","root","root");
mysql_select_db("db_kind");
mysql_query("set names utf8");
$sql="select concat(path,'-',id) as abspath,id,pname,path from tb_kind order by abspath";
$rs=mysql_query($sql);
while($result=mysql_fetch_assoc($rs)){
$num=count(explode("-",$result[path]))-1;
$new_str=str_repeat("---",$num);
echo $new_str.$result[pname];
echo "<br>";
}
$str=str_repeat("=",10);
echo $str;
$num=count(explode("-","0-1-5-8"))-1;
echo $num;
?>
</body>
</html>
上面的代码中其实中间有空格的输入效果还是非常不错的,请大家本地测试。因编辑器问题导致排版混乱。
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