PHP中FTP相关函数小结

本文实例讲述了PHP中FTP相关函数。分享给大家供大家参考，具体如下：

    <?php
    set_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,$_bookListDir);
    //生产book章节html
    getBookofChapter ($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 );

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