ファイルアップロードクラスPHP個人カスタマイズ版

コードを表示

<?php/** * 上传接口 * @author BraveCheng *     */abstract class Upload {    public $upName; // 文件名称    public $upMaxSize = 8142; // 文件上传大小    public $upPath; // 上传路径    public $upTypes = array (            'jpg',            'gif',            'png'     ); // 文件类型    public $time; // 文件上传时间或者自定义上传目录    public $destFolder; // 目标文件夹    public $upError; // 错误代号    public $sucssInfo = array (); // 成功日志    abstract protected function fileUpload();    abstract protected function errMsg(); // 错误日志}/** * 文件上传类 * * @author BraveCheng *         */class CustomUpload extends Upload {    protected $upFullPathName; // 上传之后的完整路径名称    protected $upFullName; // 上传之后的完整名称    protected $fileField; // 上传文件名称空间,如$_FILES['field']['name'].    protected $chkFileExt; // 上传文件名称后缀    protected $chkFileSize; // 上传文件实际大小    protected $chkFileName; // 上传文件名称    /**     *     * @param 自定义路径 $custPath                 * @param 自定义名称 $custName                 * @param 自定义类型 $custTypes                 * @param 自定义最大尺寸 $custMaxSize                 */    function __construct($custDir, $custPath, $custName, $custTypes = array(), $custMaxSize, $fileField) {        $this->destFolder = $custDir; // 自定义上传的文件路径        $this->upPath = $custPath;        $this->upName = $this->setName ( $custName );        $this->upTypes = $custTypes;        $this->upMaxSize = $custMaxSize;        $this->fileField = ( string ) $fileField;        $this->time = time (); // 初始化主要用来统一文件名称和目录    }        /**     * 重命名上传文件,支持中文名     *     * @param string $custName                 * @return string     */    private function setName($custName) {        return ! empty ( $custName ) ? iconv ( "utf-8", "gbk", $custName ) : date ( 'YmdHis', $this->time ) . mt_rand ( 10, 99 );        /*         * if ($custName == '') { // 如果未设置文件名，则生成一个随机文件名 $name = date (         * 'YmdHis',$this->time ) . "_" . mt_rand ( 10, 99 ) . '.' . $this->ext;         * // 判断文件是否存在,不允许重复文件 if (file_exists ( $this->savePath . $name )) {         * $name = setSavename ( $saveName ); } } else { $name = $saveName; }         * $this->saveName = $name; }         */    }        private function setPath() {        return (preg_match ( '/\/$/', $this->upPath )) ? $this->upPath : $this->upPath . '/';    }    /**     * 创建目录     *     * @param string $baseDir                 * @param string $destDir                 */    private function mkDirs($baseDir, $destDir) {        $dirs = $baseDir;        ! is_dir ( $dirs ) && @mkdir ( $dirs, 0777 ); // 原来如果前面的假是正的。后面的语句就执行        if (! empty ( $destDir )) {            $destDirs = explode ( '/', $destDir );            foreach ( $destDirs as $finalDir ) {                ! empty ( $finalDir ) && $dirs .= $finalDir . '/';                ! is_dir ( $dirs ) && @mkdir ( $dirs, 0777 );            }        } else {            $dirs .= date ( 'Ymd', $this->time ) . '/';            ! is_dir ( $dirs ) && @mkdir ( $dirs, 0777 );        }        return $dirs;    }        /**     * 获得后缀函数     *     * @param string $fileName                 * @return mixed     */    private function getFileExt($filename) {        $extend = pathinfo ( $filename );        $this->chkFileExt = $extend ['extension'];    }        /**     * 检测文件后缀函数     *     * @return boolean     */    private function checkFileExt() {        if (in_array ( $this->chkFileExt, $this->upTypes )) { // 此处程序有bug            return TRUE;        } else {            $this->upError = 1;            return FALSE;        }    }        /**     * 检测最大尺寸     *     * @return boolean     */    private function checkFileMaxSize() {        if ($this->chkFileSize > $this->upMaxSize) {            $this->upError = 2;            return FALSE;        }        return TRUE;    }    /*     * (non-PHPdoc) @see Upload::fileUpload()     */    public function fileUpload() {        // 单文件、多文件上传        $keys = array_keys ( $_FILES [$this->fileField] ['name'] );        foreach ( $keys as $key ) {            if (! $_FILES [$this->fileField] ['name'] [$key])                continue;            $sysError = $_FILES [$this->fileField] ['error'] [$key];            switch ($sysError) {                case 1 :                    $this->upError = 3;                    break;                case 2 :                    $this->upError = 4;                    break;                case 3 :                    $this->upError = 5;                    break;                case 4 :                    $this->upError = 6;                    break;                case 5 :                    $this->upError = 7;                    break;            }            $this->chkFileName = iconv ( "utf-8", "gbk", $_FILES [$this->fileField] ['name'] [$key] ); // 循环中的文件名称            $this->chkFileSize = $_FILES [$this->fileField] ['size'] [$key]; // 循环中的文件大小            $this->getFileExt ( $this->chkFileName );            // 文件类型检测            if (! $this->checkFileExt ()) {                return $this->errMsg ();                exit ();            }            // 超过大小            if (! $this->checkFileMaxSize ()) {                return $this->errMsg ();                exit ();            }            if ($sysError == 0 && is_uploaded_file ( $_FILES [$this->fileField] ['tmp_name'] [$key] )) {                // 组装文件名称                /*                 * $upFullPathName = $this->upName . $key . '.' .                 * $this->chkFileExt; // 不允许重复 if (file_exists ( $upFullPathName                 * )) { $this->upFullName = $upFullPathName; }                 */                $this->upFullName = $this->upName . $key . '.' . $this->chkFileExt;                $this->upFullPathName = $this->mkDirs ( $this->destFolder, $this->setPath () ) . $this->upFullName;                if (move_uploaded_file ( $_FILES [$this->fileField] ['tmp_name'] [$key], $this->upFullPathName )) {                    $this->sucssInfo ['name'] = $this->upFullPathName;                    $this->sucssInfo ['size'] = $this->chkFileSize;                    $this->sucssInfo ['info'] = '文件<font color=red>' . $this->upFullName . '</font>上传成功！';                }            }        }        return $this->sucssInfo;    }    /*     * (non-PHPdoc) @see Upload::errMsg()     */    public function errMsg() {        $errMsg = array (                0 => '文件上传成功！',                1 => '上传文件<font color=red>' . $this->chkFileName . '</font>类型错误，只支持上传<font color=red>' . implode ( ',', $this->upTypes ) . '</font>等文件类型!',                2 => '上传文件<font color=red>' . $this->chkFileName . '</font>太大，最大支持<font color=red>' . ceil ( $this->upMaxSize / 1024 ) . '</font>kb的文件',                3 => '上传文件<font color=red>' . $this->chkFileName . '</font>超过了 php.ini 中 upload_max_filesize 选项限制的值。',                4 => '上传文件<font color=red>' . $this->chkFileName . '</font>大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值！',                5 => '文件<font color=red>' . $this->chkFileName . '</font>只有部分被上传！',                6 => '没有文件被上传。',                7 => '文件上传失败！'         );        if ($this->upError == 0)            return false;        else            return $errMsg [$this->upError];    }}

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