function getMDTitles done

lib/DirScanner.php

@@ -516,4 +516,25 @@ Class DirScanner {
         return $menus;
     }
 
+    //获取.md文件中的h1-h6标题
+    public function getMDTitles($id) {
+        $file = $this->scanResults[$id];
+        if (empty($file)) {return [];}
+
+        $titles = [];
+        $content = file_get_contents($file['realpath']);
+        preg_match_all('/#(.+)/u', $content, $matches);
+        if (!empty($matches[1])) {
+            foreach($matches[1] as $title) {
+                $num = substr_count($title, '#');
+                $titles[] = [
+                    'name' => trim(str_replace('#', '', $title)),
+                    'heading' => 'h' . ($num+1),
+                ];
+            }
+        }
+
+        return $titles;
+    }
+
 }

test/DirScannerTest.php

@@ -70,16 +70,23 @@ $dirTree = $scanner->scan(__DIR__ . '/content/', 4);
 echo "Time cost: {$scanner->scanTimeCost} ms\n";
 echo "\n";
 
-$menus = $scanner->getMenus();
-print_r($menus);
-echo "\n";
-echo "\n";
+$readme_id = '34528ca632426cd2cd570dd32c9dcf4c';
+$readme_titles = $scanner->getMDTitles($readme_id);
+print_r($readme_titles);
+
+//$menus = $scanner->getMenus();
+//echo "Directories:\n";
+//print_r($menus);
+//echo "\n";
+//echo "\n";
 
 
+//echo "Directories and files' tree:\n";
 //print_r($dirTree);
 //echo "\n";
 //echo "\n";
 
+
 //$scanResults = $scanner->getScanResults();
 //print_r($scanResults);
 //echo "\n";

test/init_test_files.sh

@@ -23,9 +23,26 @@ rm -rf content/
 mkdir -p content/favs/
 cd content/favs/
 
+rm -f Readme.md
 rm -rf "小说/"
 rm -rf "图片/"
 
+touch "Readme.md"
+tee -a "Readme.md" <<EOF
+# Favs我的收藏
+
+把我收藏的常用网址分享给大家。
+
+## 图片
+
+常用的图片网站。
+
+## 小说
+
+常用的小说网站。
+
+EOF
+
 mkdir -p "小说/金庸小说/"
 mkdir -p "小说/古龙小说/"
 mkdir -p "图片/图片搜索/"