/**
* 删除分类
* @param integer $cateId
* @throws Exception
*/
public function cateDel($cateId)
{
$where = $this->db->quoteInto('cate_id=?', $cateId);
$cateInfo = $this->cateInfoSql($where);
if (empty($cateInfo)) {
throw new Exception('指定的分类不存在');
}
if (!$cateInfo['allow_delete']) {
throw new Exception('该分类被设置为禁止删除');
}
$abspath = $this->fileBasePath . "/" . $cateInfo['filepath'];
if (is_dir($abspath)) {
$files = YUN_Io::scan($abspath);
if (!empty($files)) {
throw new Exception('分类目录不为空，无法删除');
}
rmdir($abspath);
}
$this->db->delete('file_category', $where);
$this->db->delete('file', $where);
}
/**
* 生成图像
*
* @param string $phrase
* @return resource
* @throws Exception
*/
public function generateImage($phrase = null)
{
null == $phrase && ($phrase = $this->generatePhrase());
extract($this->_options);
//解出参数到变量
$image = $this->_createImage();
//创建图像
$defaultSize = min($width, $height * 2) / (strlen($phrase) + 1);
$spacing = (int) ($width * 0.9 / strlen($phrase));
empty($fonts) && ($fonts = YUN_Io::scan(strip($fontDir)));
if (empty($fonts)) {
throw new Exception('未找到任何有效的字体文件');
}
for ($i = 0, $strlen = strlen($phrase); $i < $strlen; $i++) {
$font = $fontDir . '/' . $fonts[array_rand($fonts)];
$color = imagecolorallocate($image, mt_rand(0, 160), mt_rand(0, 160), mt_rand(0, 160));
$angle = mt_rand(-30, 30);
$size = $defaultSize / 10 * mt_rand(12, 14);
$box = imageftbbox($size, $angle, $font, $phrase[$i]);
$x = $spacing / 4 + $i * $spacing + 2;
$y = $height / 2 + ($box[2] - $box[5]) / 4;
imagefttext($image, $size, $angle, $x, $y, $color, $font, $phrase[$i]);
}
$this->_image = $image;
return $this->_image;
}
/**
* 保存上传的文件
*
* @example YUN_File_Upload::save($_FILES['fieldname']);
*
* @param array $data POST 的文件上传数据
* @param string $saveName
* @param string $savePath
* @return boolean
*/
public function save(array $data, $saveName = null, $savePath = null)
{
if (!$this->isPostFile($data)) {
$this->_message = '无效的 POST 数据';
return false;
}
if (isset($data['error']) && $data['error'] != 0) {
$this->_message = $this->getError($data['error']);
return false;
}
if (!$this->isAllowExtension($data['name'])) {
$this->_message = '禁止上传该类型的文件';
return false;
}
if (!$this->isAllowSize($data['size'])) {
$this->_message = "文件大小超出服务器限定的值 ({$this->_config['maxSize']} Kb)";
return false;
}
empty($savePath) && ($savePath = $this->_config['savePath']);
$mkpath = YUN_Io::mkdir($savePath);
if ($mkpath === false) {
$this->_message = "无法创建文件上传目录 '{$savePath}'";
return false;
}
$extension = $this->getExtension($data['name']);
if (empty($saveName)) {
$saveName = $this->_config['rename'] ? str_replace('.', '', microtime(true)) . ".{$extension}" : $data['name'];
} else {
$saveName = strtolower($saveName);
// 兼容 win 平台
}
$saveFilename = YUN_Io::strip("{$savePath}/{$saveName}");
if (!@move_uploaded_file($data['tmp_name'], $saveFilename)) {
$this->_message = '无法从临时目录复制上传文件';
return false;
}
$this->_result = array('filename' => $data['name'], 'filesize' => $data['size'], 'filetype' => $data['type'], 'extension' => $extension, 'savename' => $saveFilename);
return true;
}
