用PHP完成windows资源管理器风格的树型菜单

",$p);
$i=0;
while($i<count($explevels))
{
$expand[$explevels[$i]]=1;
$i++;
}

$lastlevel=$maxlevel;
for ($i=count($tree)-1; $i>=0; $i--)
{
if ( $tree[$i][0] < $lastlevel )
for ($j=$tree[$i][0]+1; $j <= $maxlevel; $j++)
$levels[$j]=0;
if ( $levels[$tree[$i][0]]==0 )
{
$levels[$tree[$i][0]]=1;
$tree[$i][4]=1;
}
else
$tree[$i][4]=0;
$lastlevel=$tree[$i][0];
}

for ($i=0; $i < count($tree); $i++)
if ($tree[$i][0]==1)
$visible[$i]=1;
for ($i=0; $i < count($explevels); $i++)
{
$n=$explevels[$i];
if ( ($visible[$n]==1) && ($expand[$n]==1) )
{
$j=$n+1;
while ( $tree[$j][0] > $tree[$n][0] )
{
if ($tree[$j][0]==$tree[$n][0]+1) $visible[$j]=1;
$j++;
}
}
}

for ($i=0; $i<$maxlevel; $i++)
$levels[$i]=1;

$maxlevel++;

echo "<table cellspacing=0 cellpadding=0 border=0 cols=".($maxlevel+3).">\n";
echo "<tr>";
for ($i=0; $i<$maxlevel; $i++)
echo "<td width=16></td>";
echo "<td width=100%>&nbsp;</td></tr>\n";
$cnt=0;
while ($cnt<count($tree))
{
if ($visible[$cnt])
{
echo "<tr>";
$i=0;
while ($i<$tree[$cnt][0]-1)
{
if ($levels[$i]==1)
echo "<td><a name='$cnt'></a><img src=\"".$img_line."\"></td>";
else
echo "<td><a name='$cnt'></a><img src=\"".$img_spc."\"></td>";
$i++;
}
if ($tree[$cnt][4]==1)
{
echo "<td><img src=\"".$img_end."\"></td>";
$levels[$tree[$cnt][0]-1]=0;
}
else
{
echo "<td><img src=\"".$img_split."\"></td>";
$levels[$tree[$cnt][0]-1]=1;
}

if ($tree[$cnt+1][0]>$tree[$cnt][0])
{

$i=0; $params="?p=";
while($i<count($expand))
{
if ( ($expand[$i]==1) && ($cnt!=$i)

关键词：用PHP完成windows资源管理器风格的树型菜单