PHP无限极分类php
数据库:
php代码:
<?php
$dbhost = "localhost"; // 数据库主机名
$dbuser = "root"; // 数据库用户名
$dbpd = "123456"; // 数据库密码
$dbname = "test";&nbs...
数据库:
php代码:
<?php
$dbhost = "localhost"; // 数据库主机名
$dbuser = "root"; // 数据库用户名
$dbpd = "123456"; // 数据库密码
$dbname = "test"; // 数据库名
mysql_connect($dbhost,$dbuser,$dbpd); //连接主机
mysql_select_db($dbname); //选择数据库
mysql_query("SET NAMES 'gbk'");
?>
<form name="form1" method="post" action="">
<select name='select' id='select'>
<?php
display_tree("",0);
function display_tree($tag,$classid) {
$result = mysql_query("SELECT * FROM category WHERE categoryParentID = '" . $classid . "';");
while ($row = mysql_fetch_array($result)) {
echo "<option value=".$row['categoryName'].">".$tag."".$row['categoryName']."</option>";
display_tree($tag." ",$row['categoryID']);
}
}
?>
</select>
</form>
效果图:
php代码:
<?php
$dbhost = "localhost"; // 数据库主机名
$dbuser = "root"; // 数据库用户名
$dbpd = "123456"; // 数据库密码
$dbname = "test"; // 数据库名
mysql_connect($dbhost,$dbuser,$dbpd); //连接主机
mysql_select_db($dbname); //选择数据库
mysql_query("SET NAMES 'gbk'");
?>
<form name="form1" method="post" action="">
<select name='select' id='select'>
<?php
display_tree("",0);
function display_tree($tag,$classid) {
$result = mysql_query("SELECT * FROM category WHERE categoryParentID = '" . $classid . "';");
while ($row = mysql_fetch_array($result)) {
echo "<option value=".$row['categoryName'].">".$tag."".$row['categoryName']."</option>";
display_tree($tag." ",$row['categoryID']);
}
}
?>
</select>
</form>
效果图:
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