<?php$d_label=array("service"=>"有偿服务","teach"=>"家教中心","union"=>"校园服务联盟","job"=>"学生兼职","free"=>"信息库");$directory=$REQUEST_URI;while($directory!="/"){  $d_text=basename($directory);  if(isset($d_label[$d_text])){$d_text=$d_label[$d_text];}  $d_link=$directory;  $d_curx="-><a href="$d_link">$d_text</a>";  $d_komplettx=$d_curx.$d_komplettx;  $directory=dirname($directory);}  echo "栏目导航:".$d_komplettx;?>