PHP中FTP相关函数小结

<?phpset_time_limit(0);//转存本地地址define(  'STORE_PATH',  dirname(__FILE__) . '/../../../../temp_data/test/');define('LIST_PATH', STORE_PATH . 'list/');define('CHAPTER_PATH', LIST_PATH . 'chapter/');define('DETAIL_PATH', LIST_PATH . 'detail/');createFolder(STORE_PATH);createFolder(LIST_PATH);createFolder(CHAPTER_PATH);createFolder(DETAIL_PATH);$ftp_server = "ip";$ftp_user = "anonymous";$ftp_pass = "anonymous";$conn_id = ftp_connect ( $ftp_server ) or die ( "Couldn't connect to $ftp_server" );if (@ftp_login ( $conn_id, $ftp_user, $ftp_pass )) {echo "Connected as $ftp_user@$ftp_server/n";} else {echo "Couldn't connect as $ftp_user/n";}ftp_pasv($conn_id, true);/** * 创建文件并写入内容 * * @param string $path   path/ * @param string $fileName filename * @param string $data   content * * @return string 返回路径 */function createFile ($path, $fileName, $data){  if (empty($data)) {    return false;  }  file_put_contents($path . $fileName, $data);  return $path . $fileName;}/** * 创建目录 * * @param string $path path * * @return no */function createFolder ($path){  if (! file_exists($path)) {    createFolder(dirname($path));    if (mkdir($path, 0777)) {      echo "/n dir not find ,make dir " . dirname($path) . " is ok!";    } else {      echo "/n dir not find ,make dir " . dirname($path) . " is fail!";    }  }}/** * 抓取电子书籍的类别 * * @param string $xmlUrl    xml地址 * @param string $saveFileName 文件名称 * * @return string 返回路径 */function getClassXml ($conn_id,$categoryDir, $saveFileName = 'category.xml'){  //获取顶级栏目$clist = getDirListFormFtp($conn_id, $categoryDir);$itemTPL = '<Item><ID>%s</ID><Name>%s</Name></Item>';$items='';foreach ($clist as $key=>$value){$items .=sprintf($itemTPL,$value['name'],$value['detail']);}$bodyTPL='<Tofo><Class>%s</Class></Tofo>';$data = sprintf($bodyTPL,$items);  echo "/n".createFile(STORE_PATH, $saveFileName, $data);}set_time_limit(0);$start_time = time();$bookCache=array();$categoryDir = "//tingshu//web";getClassXml($conn_id,$categoryDir);//获取顶级栏目$clist = getDirListFormFtp($conn_id, $categoryDir);//获取二级栏目分类foreach ($clist as $key=>$value){$_secondCateoryDir = $categoryDir.'//'.$value['name'];$_secondCateorylist = getDirListFormFtp($conn_id, $_secondCateoryDir);$listData='';$listTPL='<Tofo><Class><ID>%s</ID><Name>%s</Name><Books>%s</Books></Class></Tofo>';$items ='<Item><ID>%s</ID><Name>%s</Name></Item>';$listItemString='';//获取详细书籍章节列表foreach ($_secondCateorylist as $key=>$book){$listItemString.=sprintf($items,$book['name'], $book['detail']);$_bookListDir = $_secondCateoryDir.'//'.$book['name'];$chapters = getBook($conn_id,$_bookListDir);//生产book章节htmlgetBookofChapter ($book,$chapters);//缓存bookid和章节信息$bookCache[$book['name']] = array('category'=>$value['name'],'chapters'=>$chapters);}//生成二级栏目列表页$listData = sprintf($listTPL, $value['name'], $value['detail'],$listItemString);$list_save_path = $value['name'] . '.xml';  echo "/n".createFile(LIST_PATH, $list_save_path, $listData);}$arrString = "<?php /n /$bookCache=".var_export($bookCache, true).";/n?>";echo "/n建立缓存文件：".createFile(STORE_PATH, 'bookcache.php', $arrString);/** * 抓取书籍章节信息 * * @param array $bookIds 书籍章节信息 * * @return boolean 返回是否抓取成功 */function getBookofChapter ($bookinfo,$chapters){  if (! is_array($chapters)) {    return false;  }  $bookData = '';$bookTPL = '<Tofo><Books><ID>%s</ID><Name>%s</Name><Volumes>%s</Volumes></Books></Tofo>';  $bookItemTPL='<Item><ID>%s</ID><Name>%s</Name></Item>';  //<Play>%s</Play>//<Download>%s</Download>//,$item['downurl'],$item['downurl']  $chapterString='';foreach ($chapters as $key=>$item){  $chapterString.=sprintf($bookItemTPL,$item['name'],$item['detail']);  }  //生成二级栏目列表页$bookData = sprintf($bookTPL, $bookinfo['name'], $bookinfo['detail'],$chapterString); $book_chapter_save_path = $bookinfo['name'] . '.xml';  if (! empty($bookData)) {    echo "/n".createFile(CHAPTER_PATH, $book_chapter_save_path, $bookData);  }  return true;}function getBook($conn_id,$_bookListDir){$chapter=array();$buff = ftp_nlist ( $conn_id, $_bookListDir );if(is_array($buff)){$resourceArray = array();foreach ($buff as $key=>$value){if(strstr( $value, '.txt' )){}else{$resourcesName = str_replace($_bookListDir.'//', "", $value);$temp = preg_split ( '//./',$resourcesName);$resourceArray[trim($temp[0])]=$resourcesName;}}foreach ($buff as $key=>$value){if(strstr( $value, '.txt' )){$name = trim(str_replace(".txt","",str_replace($_bookListDir.'//', "", $value)));$chapter[$name] = array ('name' => $name,'detail' => getFileContentsFormFtp ( $conn_id, $value ),'downurl' =>$resourceArray[$name]);}}}ksort($chapter , SORT_NUMERIC);echo "/n";var_dump('chapter index :'.implode(array_keys ($chapter), ','));echo "/n";return $chapter;}function getDirListFormFtp($conn_id, $categoryDir) {$categoryArray = array ();$dirs = getDirNameFormFtp ( $conn_id, $categoryDir );//获取分类描述foreach ( $dirs as $key => $value ) {$path = $categoryDir . '//' . $value . '.txt';$categoryArray [] = array ('name' => $value, 'detail' => getFileContentsFormFtp ( $conn_id, $path ) );}return $categoryArray;}function getFileContentsFormFtp($conn_id, $server_file) {$_tempFileName = STORE_PATH.'temp.tmp';$content = '';try {if (ftp_get ( $conn_id, $_tempFileName, $server_file, FTP_ASCII )) {$content = file_get_contents ( $_tempFileName );}} catch (Exception $e) {var_dump('error timeout:-----');global $ftp_server;$conn_id = ftp_connect ( $ftp_server );if (@ftp_login ( $conn_id, $ftp_user, $ftp_pass )) {echo "Connected as $ftp_user@$ftp_server/n";} else {echo "Couldn't connect as $ftp_user/n";}ftp_pasv($conn_id, true);if (ftp_get ( $conn_id, $_tempFileName, $server_file, FTP_ASCII )) {$content = file_get_contents ( $_tempFileName );}}$content = iconv ( "GBK", "UTF-8//IGNORE", trim($content) );echo "/n";var_dump('file name :'.$server_file.';content:'.$content);return $content;}function getDirNameFormFtp($conn_id, $dirString) {$buff = ftp_rawlist ( $conn_id, $dirString );$dirs = array_filter ( $buff, "dirfilter" );foreach ( $dirs as $key => $value ) {$temp = preg_split ( '/<DIR>/', $value );$dirs [$key] = trim ( $temp [1] );}asort($dirs , SORT_NUMERIC);return $dirs;}function dirfilter($var) {return (strstr ( $var, '<DIR>' ));}ftp_close ( $conn_id );