PHP将PPT文件转SWF文件的代码

/**
 * 按照指定的参数生成SWF文件
 * @param String    $pptPath                    要转换的PPT文件
 * @param String    $swfPath                   生成的SWF文件的路径
 * @param String    $pages                      生成的页面下标，如"1,2,4,5-9"
 * @param String    $keySetting               键盘设置文件路径
 * @param String    $watermarkPath        水印图像路径
 * @param integer   $watermarkOpacity   水印图像不透明度
 */

function ppt2Swf($pptPath, $swfPath, $pages, $keySetting, $watermarkPath, $watermarkOpacity) {
    //配置参数:
    ignore_user_abort(true);
    set_time_limit(0);
    
    try{
        $fs = new COM("iSpring.PresentationConverter.8");
        
        //加载配置文件：
        $settings = $fs->Settings;
        $settings->Appearance->FitToWindow = true;
        $settings->Navigation->Keyboard->LoadSettings($keySetting);
        
        //设置水印：
        $protectionSettings = $settings->Protection;
        $watermarkSettings = $protectionSettings->Watermark;
        $watermarkSettings->Enabled = true;
        $watermarkSettings->Path = $watermarkPath;
        $watermarkSettings->Alignment = 0;
        $watermarkSettings->Opacity = $watermarkOpacity;
        $protectionSettings->RestrictedDomains ="localhost";
        
        //生成flash:
        $fs->OpenPresentation($pptPath);
        $fs->GenerateFlashPresentation($swfPath, "test.html", 0, "None", $pages);
        
        //释放资源：
        $watermarkSettings = null;
        $protectionSettings = null;
        $fs->Presentation->Close();
        $fs  = null;
    } catch (com_exception $e){
        echo $e->getMessage();
    }
}