php只有复制文件函数copy()。闲来无事用递归写了一个复制目录的递归函数来练练手，还花了我不少的时间。看来还是得勤练习多思考。
<?php/*复制当前目录下所有的文件去目标文件夹$cpath 当前目录$dpath 目标目录$type all复制当前所有文件去目标目录，dir复制所有文件至同一目录$i 用来统计数量总*/function copydir_user($cpath,$dpath,&$i,$type='all'){ if($i == 0){ if(!($cpath = judge_dir($cpath,true))){ return false; } $dpath = judge_dir($dpath,false); } $handle = opendir($cpath); while (false !== ($file = readdir($handle))) { if($file!='.'&&$file!='..'){ if(is_dir($cpath.$file)){ $scpath = $cpath.$file.'/'; $sdpath = $dpath; if($type == 'dir'){ $sdpath = $dpath.$file.'/'; $sdpath = judge_dir($sdpath,false); } copydir_user($scpath,$sdpath,$i,$type); }else{ $current = $cpath.$file; $source = $dpath.$file; copy($current,$source); $i++; } } }}function judge_dir($dirname,$tips=true){ if(substr($dirname,strlen($dirname)-1) != '/'){ $dirname.='/'; } if(!file_exists($dirname)){ if($tips){ echo 'directory is not exists'; return false; }else{ mkdir($dirname); } } return $dirname;}$des_path='C:/Users/alex/Desktop/test';//目标目录$cur_path = 'E:/xampp/htdocs/bbs/api'; //当前目录$i=0;copydir_user($cur_path,$des_path,$i,'dir');echo $i;