feat:增加访问和操作文件系统的类

extend/ba/Filesystem.php

@@ -0,0 +1,136 @@
+<?php
+
+namespace ba;
+
+use Throwable;
+use PhpZip\ZipFile;
+use FilesystemIterator;
+use RecursiveIteratorIterator;
+use RecursiveDirectoryIterator;
+
+/**
+ * 访问和操作文件系统
+ */
+class Filesystem
+{
+    /**
+     * 是否是空目录
+     */
+    public static function dirIsEmpty(string $dir): bool
+    {
+        if (!file_exists($dir)) return true;
+        $handle = opendir($dir);
+        while (false !== ($entry = readdir($handle))) {
+            if ($entry != "." && $entry != "..") {
+                closedir($handle);
+                return false;
+            }
+        }
+        closedir($handle);
+        return true;
+    }
+
+    /**
+     * 递归删除目录
+     * @param string $dir     目录路径
+     * @param bool   $delSelf 是否删除传递的目录本身
+     * @return bool
+     */
+    public static function delDir(string $dir, bool $delSelf = true): bool
+    {
+        if (!is_dir($dir)) {
+            return false;
+        }
+        $files = new RecursiveIteratorIterator(
+            new RecursiveDirectoryIterator($dir, FilesystemIterator::SKIP_DOTS),
+            RecursiveIteratorIterator::CHILD_FIRST
+        );
+        foreach ($files as $fileInfo) {
+            if ($fileInfo->isDir()) {
+                self::delDir($fileInfo->getRealPath());
+            } else {
+                @unlink($fileInfo->getRealPath());
+            }
+        }
+        if ($delSelf) {
+            @rmdir($dir);
+        }
+        return true;
+    }
+
+    /**
+     * 解压Zip
+     * @param string $file ZIP文件路径
+     * @param string $dir  解压路径
+     * @return string 解压后的路径
+     * @throws Throwable
+     */
+    public static function unzip(string $file, string $dir = ''): string
+    {
+        if (!file_exists($file)) {
+            throw new Exception("Zip file not found");
+        }
+
+        $zip = new ZipFile();
+        try {
+            $zip->openFile($file);
+        } catch (Throwable $e) {
+            $zip->close();
+            throw new Exception('Unable to open the zip file', 0, ['msg' => $e->getMessage()]);
+        }
+
+        $dir = $dir ?: substr($file, 0, strripos($file, '.zip'));
+        if (!is_dir($dir)) {
+            @mkdir($dir, 0755);
+        }
+
+        try {
+            $zip->extractTo($dir);
+        } catch (Throwable $e) {
+            throw new Exception('Unable to extract ZIP file', 0, ['msg' => $e->getMessage()]);
+        } finally {
+            $zip->close();
+        }
+        return $dir;
+    }
+
+    /**
+     * 创建ZIP
+     * @param array  $files    文件路径列表
+     * @param string $fileName ZIP文件名称
+     * @return bool
+     * @throws Throwable
+     */
+    public static function zip(array $files, string $fileName): bool
+    {
+        $zip = new ZipFile();
+        try {
+            foreach ($files as $v) {
+                $zip->addFile(root_path() . $v, $v);
+            }
+            $zip->saveAsFile($fileName);
+        } catch (Throwable $e) {
+            throw new Exception('Unable to package zip file', 0, ['msg' => $e->getMessage(), 'file' => $fileName]);
+        } finally {
+            $zip->close();
+        }
+        if (file_exists($fileName)) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * 递归创建目录
+     * @param string $dir 目录路径
+     * @return bool
+     */
+    public static function mkdir(string $dir): bool
+    {
+        if (!is_dir($dir)) {
+            return mkdir($dir, 0755, true);
+        }
+        return false;
+    }
+}