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283 lines
11 KiB
283 lines
11 KiB
<?php |
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/** |
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* List Controller |
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*/ |
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require_once __DIR__ . '/../../../lib/DirScanner.php'; |
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require_once __DIR__ . '/../../../plugins/Parsedown.php'; |
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require_once __DIR__ . '/../../../plugins/Common.php'; |
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Class ListController extends Controller { |
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public function actionIndex() { |
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$cateId = $this->get('id', ''); |
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$cacheParentDataId = $this->get('cid', ''); |
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if (empty($cateId) || empty($cacheParentDataId)) { |
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throw new Exception("参数缺失！", 403); |
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} |
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//获取数据 |
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$menus = array(); //菜单，一级目录 |
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$htmlReadme = ''; //Readme.md 内容，底部网站详细介绍 |
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$htmlCateReadme = ''; //当前目录下的Readme.md 内容 |
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$menus_sorted = array(); //Readme_sort.txt 说明文件内容，一级目录菜单从上到下的排序 |
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$scanner = new DirScanner(); |
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//根据参数cid获取id对应的目录realpath，从而只扫描这个目录 |
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$cacheSeconds = 3600; |
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$cachedParentData = Common::getCacheFromFile($cacheParentDataId, $cacheSeconds); |
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if (empty($cachedParentData)) { |
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return $this->redirect('/'); |
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} |
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$currentDir = $cachedParentData[$cateId]; |
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if (empty($currentDir)) { |
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throw new Exception("缓存数据中找不到当前目录，请返回上一页重新进入！", 404); |
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} |
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$scanner->setWebRoot($this->getCurrentWebroot($currentDir['realpath'])); |
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$scanner->setRootDir($currentDir['realpath']); |
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//优先从缓存读取数据 |
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$maxScanDeep = 0; //最大扫描目录级数 |
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$cacheKey = $this->getCacheKey($cateId, 'tree', $maxScanDeep); |
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$cachedData = Common::getCacheFromFile($cacheKey); |
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if (!empty($cachedData)) { |
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$dirTree = $cachedData; |
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$scanner->setTreeData($cachedData); |
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}else { |
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$dirTree = $scanner->scan($currentDir['realpath'], $maxScanDeep); |
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Common::saveCacheToFile($cacheKey, $dirTree); |
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} |
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//优先从缓存读取数据 |
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$cacheKey = $cacheDataId = $this->getCacheKey($cateId, 'data', $maxScanDeep); |
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$cachedData = Common::getCacheFromFile($cacheKey); |
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if (!empty($cachedData)) { |
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$scanResults = $cachedData; |
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$scanner->setScanResults($cachedData); |
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}else { |
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$scanResults = $scanner->getScanResults(); |
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Common::saveCacheToFile($cacheKey, $scanResults); |
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} |
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//按照scanResults格式把当前目录扫描结果中的目录数据拼接到当前目录数据里: currentDir |
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if (!empty($scanResults)) { |
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$dirs = array(); |
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$files = array(); |
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foreach ($scanResults as $id => $item) { |
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if (!empty($item['directory'])) { |
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array_push($dirs, $item); |
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}else { |
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array_push($files, $item); |
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} |
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} |
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if (!empty($dirs)) { |
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$currentDir['directories'] = $dirs; |
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} |
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if (!empty($files)) { |
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$currentDir['files'] = $files; |
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} |
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$scanResults = array($cateId => $currentDir); //重新组装数据 |
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} |
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//非首页统一从缓存获取目录数据，有效期 1 天 |
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$cacheKey = $this->getCacheKey('all', 'menu', $maxScanDeep); |
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$expireSeconds = 86400; |
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$menus = Common::getCacheFromFile($cacheKey, $expireSeconds); |
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//获取根目录下的readme |
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$cacheKey = $this->getCacheKey('root', 'readme', $maxScanDeep); |
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$expireSeconds = 86400; |
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$readmeFile = Common::getCacheFromFile($cacheKey, $expireSeconds); |
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if (!empty($readmeFile)) { |
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$htmlReadme = $readmeFile['htmlReadme']; |
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} |
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//获取目录面包屑 |
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$subcate = !empty($scanResults[$cateId]) ? $scanResults[$cateId] : array(); |
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$breadcrumbs = $this->getBreadcrumbs($currentDir, $cachedParentData, $scanner); |
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//图片、视频类型筛选支持 |
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$showType = $this->get('show', 'all'); |
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if ($showType == 'image' && !empty($scanResults[$cateId]['files'])) { |
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$scanResults[$cateId]['files'] = array_filter($scanResults[$cateId]['files'], function($item) { |
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$imgExts = !empty(FSC::$app['config']['supportedImageExts']) ? FSC::$app['config']['supportedImageExts'] : array('jpg', 'jpeg', 'png', 'webp', 'gif'); |
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return in_array($item['extension'], $imgExts); |
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}); |
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}else if ($showType == 'video' && !empty($scanResults[$cateId]['files'])) { |
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$scanResults[$cateId]['files'] = array_filter($scanResults[$cateId]['files'], function($item) { |
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$videoExts = !empty(FSC::$app['config']['supportedVideoExts']) ? FSC::$app['config']['supportedVideoExts'] : array('mp4', 'mov', 'm3u8'); |
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return in_array($item['extension'], $videoExts); |
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}); |
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} |
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//获取当前目录下的readme |
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$cateReadmeFile = $scanner->getDefaultReadme(); |
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if (!empty($cateReadmeFile)) { |
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$Parsedown = new Parsedown(); |
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$content = file_get_contents($cateReadmeFile['realpath']); |
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$htmlCateReadme = $Parsedown->text($content); |
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$htmlCateReadme = $scanner->fixMDUrls($cateReadmeFile['realpath'], $htmlCateReadme); |
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} |
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//获取默认mp3文件 |
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//优先从缓存获取默认mp3文件 |
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$cacheKey = $this->getCacheKey('root', 'mp3', $maxScanDeep); |
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$expireSeconds = 86400; |
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$mp3File = Common::getCacheFromFile($cacheKey, $expireSeconds); |
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//翻页支持 |
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$page = $this->get('page', 1); |
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$pageSize = $this->get('limit', 24); |
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//底部版权申明配置支持 |
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$copyright = ''; |
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if (!empty($readmeFile['copyright'])) { |
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$copyright = $readmeFile['copyright']; |
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} |
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$pageTitle = !empty($readmeFile['titles']) ? $readmeFile['titles'][0]['name']: $currentDir['directory']; |
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if (!empty($readmeFile['title'])) { |
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$pageTitle = $readmeFile['title']; |
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} |
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//dataType支持：[image, video] |
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$dataType = $this->get('dataType', 'html'); |
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if ($dataType == 'image' && !empty($subcate['files'])) { |
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$imgExts = !empty(FSC::$app['config']['supportedImageExts']) ? FSC::$app['config']['supportedImageExts'] : array('jpg', 'jpeg', 'png', 'webp', 'gif'); |
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$imgs = array(); |
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$pageStartIndex = ($page-1) * $pageSize; |
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$index = 0; |
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foreach ($subcate['files'] as $id => $item) { |
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//翻页支持 |
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if ($index < $pageStartIndex) { |
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$index ++; |
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continue; |
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}else if ($index >= $pageStartIndex + $pageSize) { |
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break; |
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} |
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if (in_array($item['extension'], $imgExts)) { |
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array_push($imgs, $item); |
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$index ++; |
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} |
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} |
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return $this->renderJson(compact('page', 'pageSize', 'imgs')); |
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}else if ($dataType == 'video' && !empty($subcate['files'])) { |
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$videoExts = !empty(FSC::$app['config']['supportedVideoExts']) ? FSC::$app['config']['supportedVideoExts'] : array('mp4', 'mov', 'm3u8'); |
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$videos = array(); |
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$pageStartIndex = ($page-1) * $pageSize; |
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$index = 0; |
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foreach ($subcate['files'] as $id => $item) { |
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//翻页支持 |
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if ($index < $pageStartIndex) { |
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$index ++; |
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continue; |
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}else if ($index >= $pageStartIndex + $pageSize) { |
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break; |
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} |
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if (in_array($item['extension'], $videoExts)) { |
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array_push($videos, $item); |
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$index ++; |
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} |
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} |
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return $this->renderJson(compact('page', 'pageSize', 'videos')); |
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} |
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$viewName = '//site/index'; //共享视图 |
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$params = compact( |
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'cateId', 'dirTree', 'scanResults', 'menus', 'htmlReadme', 'breadcrumbs', 'htmlCateReadme', |
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'mp3File', 'page', 'pageSize', 'cacheDataId', 'copyright', 'showType' |
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); |
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return $this->render($viewName, $params, $pageTitle); |
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} |
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//实现php 5.5开始支持的array_column方法 |
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protected function array_column($arr, $col) { |
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$out = array(); |
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if (!empty($arr) && is_array($arr) && !empty($col)) { |
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foreach ($arr as $index => $item) { |
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if (!empty($item[$col])) { |
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array_push($out, $item[$col]); |
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} |
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} |
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} |
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return $out; |
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} |
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//根据pid在目录数组里找出对应的父目录数据 |
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protected function getParentCateByPid($pid, $cates) { |
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$parent = array(); |
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foreach ($cates as $index => $item) { |
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if ($item['id'] == $pid) { |
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$parent = $item; |
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break; |
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}else if (!empty($item['directories'])) { |
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$parent = $this->getParentCateByPid($pid, $item['directories']); |
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if (!empty($parent)) {break;} |
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} |
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} |
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return $parent; |
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} |
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//根据目录结构以及当前目录获取面包屑 |
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//缓存key统一生成，方便按规则获取上一级目录的缓存cid |
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protected function getBreadcrumbs($currentDir, $scanResults, $scanner) { |
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$webroot = FSC::$app['config']['content_directory']; |
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$arr = explode($webroot, $currentDir['realpath']); |
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$breads = array(); |
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if (count($arr) < 2) { |
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return $breads; |
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} |
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$cates = explode('/', $arr[1]); |
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$parentCate = preg_replace("/\/$/", '', "{$arr[0]}{$webroot}"); //删除最后一个斜杠 |
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foreach ($cates as $index => $cate) { |
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if (empty($cate)) {continue;} |
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if ($cate == $currentDir['directory']) {break;} |
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$subcate = "{$parentCate}/{$cate}"; |
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$cateId = $scanner->getId($subcate); |
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//下一级子目录的id |
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$parentCateId = $scanner->getId($parentCate); |
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$maxScanDeep = 0; //所有页面扫描深度都为 1 |
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$cacheKey = $this->getCacheKey($parentCateId, 'data', $maxScanDeep); |
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array_push($breads, [ |
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'id' => $cateId, |
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'name' => $cate, |
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'url' => "/list/?id={$cateId}&cid={$cacheKey}", |
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]); |
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$parentCate = $subcate; //记录上一级目录 |
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} |
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//最后一级 |
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array_push($breads, [ |
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'id' => $currentDir['id'], |
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'name' => $currentDir['directory'], |
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'url' => $currentDir['path'], |
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]); |
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return $breads; |
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} |
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}
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