Initial commit: 投注游戏平台初始化

App/Controllers/Admin/ImagesController.php

@@ -0,0 +1,376 @@
+<?php
+namespace App\Controllers\Admin;
+
+use App\Core\AdminBaseController;
+use Db\Database; // Medoo数据库实例
+use \Exception;
+
+class ImagesController extends AdminBaseController {
+    protected $db;                
+    protected $uploadDir;        
+    protected array $uploadConfig;
+
+    // 允许的图片MIME类型
+    const ALLOWED_MIME = [
+        'image/jpeg', 'image/png', 'image/gif',
+        'image/webp', 'image/svg+xml'
+    ];
+    const MAX_UPLOAD_SIZE = 10485760; // 上传大小限制（10MB）
+    const MAX_IMAGE_SIZE = 800;       // 主图最大边长（等同缩略图大小）
+
+    public function __construct() {
+        $this->checkLogin(); // 登录验证
+        $this->db = new Database(); // 初始化数据库连接
+        $domain = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http")
+          . "://" . $_SERVER['HTTP_HOST'];
+
+        $this->uploadConfig = [
+            'upload_dir' => $_SERVER['DOCUMENT_ROOT'] . '/Storage/images/',
+            'url' => $domain . '/Storage/images/',
+            'max_size' => 10 * 1024 * 1024, // 10MB
+            'allowed_mimes' => [
+                'image/jpeg', 'image/png', 'image/gif', 'image/webp', 'image/icon'
+            ],
+            'min_quality' => 60,
+            'max_quality' => 100,
+            'default_quality' => 80
+        ];
+
+    }
+
+    /**
+     * 图片管理首页（仅渲染前端页面，数据使用AJAX加载）
+     */
+    public function index() {
+        // 渲染页面模板
+        $this->render('Admin/images.php', [
+            'title' => '图片管理'
+        ]);
+    }
+
+    /**
+     * 图片列表查询
+     */
+    public function list() {
+
+
+        try {
+            // 处理分页参数
+            $page = isset($_GET['page']) ? max(1, (int)$_GET['page']) : 1;
+            $limit = isset($_GET['limit']) ? 
+                     min(100, max(1, (int)$_GET['limit'])) : 20;
+            $offset = ($page - 1) * $limit;
+
+            // 查询总数
+            $total = $this->db->count('images');
+
+            // 查询当前页数据
+            $data = $this->db->select('images', [
+                'id', 'name', 'url',  
+                'size', 'width', 'height', 'upload_time'
+            ], [
+                'LIMIT' => [$offset, $limit],
+                'ORDER' => ['upload_time' => 'DESC']
+            ]);
+
+            // 返回结果
+            echo json_encode([
+                'status' => 'success',
+                'page' => $page,
+                'total' => $total,
+                'data' => $data ?: []
+            ]);
+            exit;
+
+        } catch (Exception $e) {
+            $this->jsonError('获取数据失败: ' . $e->getMessage());
+        }
+    }
+    
+    /**
+     * 图片上传处理
+     */
+   public function upload() {
+    if (!isset($_FILES['image']) || $_FILES['image']['error'] !== UPLOAD_ERR_OK) {
+        $this->jsonError('文件上传失败: ' . $this->getUploadError($_FILES['image']['error'] ?? -1));
+    }
+
+    $file = $_FILES['image'];
+
+    $params = [
+        'quality' => isset($_POST['quality']) ? 
+                    min($this->uploadConfig['max_quality'], 
+                        max($this->uploadConfig['min_quality'], (int)$_POST['quality'])) : 
+                    $this->uploadConfig['default_quality'],
+        'width' => isset($_POST['width']) && $_POST['width'] !== '' ? max(1, (int)$_POST['width']) : 0,
+        'height' => isset($_POST['height']) && $_POST['height'] !== '' ? max(1, (int)$_POST['height']) : 0
+    ];
+
+    if ($file['size'] > $this->uploadConfig['max_size']) {
+        $this->jsonError("文件过大，最大支持" . $this->formatFileSize($this->uploadConfig['max_size']));
+    }
+
+    $finfo = new \finfo(FILEINFO_MIME_TYPE);
+    $mime = $finfo->file($file['tmp_name']);
+    if (!in_array($mime, $this->uploadConfig['allowed_mimes'])) {
+        $this->jsonError('不支持的文件类型，仅允许: ' . implode(', ', $this->uploadConfig['allowed_mimes']));
+    }
+
+    try {
+        $uploadDir = rtrim($this->uploadConfig['upload_dir'], '/') . '/';
+        if (!is_dir($uploadDir)) {
+            mkdir($uploadDir, 0755, true);
+        }
+
+        $originalName = basename($file['name']);
+        $originalExt = pathinfo($originalName, PATHINFO_EXTENSION);
+        $filename = date('YmdHis') . '_' . uniqid() . '.' . $originalExt;
+        $targetPath = $uploadDir . $filename;
+
+        list($origWidth, $origHeight) = getimagesize($file['tmp_name']);
+        list($newWidth, $newHeight, $srcX, $srcY, $cropW, $cropH) = $this->calculateDimensions(
+            $origWidth, $origHeight,
+            $params['width'], $params['height']
+        );
+
+        // 判断是否需要裁剪
+        if ($params['width'] > 0 && $params['height'] > 0) {
+            $success = $this->processImageWithCrop(
+                $file['tmp_name'], $mime, $targetPath,
+                $newWidth, $newHeight,
+                $srcX, $srcY, $cropW, $cropH,
+                $params['quality']
+            );
+        } else {
+            $success = $this->processImage(
+                $file['tmp_name'], $mime, $targetPath,
+                $newWidth, $newHeight, $params['quality']
+            );
+        }
+
+        if (!$success) {
+            throw new Exception('图片处理失败');
+        }
+
+        $record = [
+            'name' => $originalName,
+            'newname' => $filename,
+            'url' => rtrim($this->uploadConfig['url'], '/') . '/' . $filename,
+            'size' => filesize($targetPath),
+            'width' => $newWidth,
+            'height' => $newHeight,
+            'upload_time' => time()
+        ];
+
+        $imageId = $this->db->insert('images', $record);
+
+        echo json_encode([
+            'status' => 'success',
+            'data' => $record + ['id' => $imageId]
+        ]);
+        exit;
+
+    } catch (Exception $e) {
+        if (isset($targetPath) && file_exists($targetPath)) {
+            unlink($targetPath);
+        }
+        $this->jsonError($e->getMessage());
+    }
+}
+
+
+private function calculateDimensions($origW, $origH, $targetW, $targetH) {
+    if ($targetW <= 0 && $targetH <= 0) {
+        return [$origW, $origH, 0, 0, $origW, $origH];
+    }
+
+    // 只指定宽
+    if ($targetW > 0 && $targetH <= 0) {
+        $newW = $targetW;
+        $newH = (int)($origH * ($targetW / $origW));
+        return [$newW, $newH, 0, 0, $origW, $origH];
+    }
+
+    // 只指定高
+    if ($targetH > 0 && $targetW <= 0) {
+        $newH = $targetH;
+        $newW = (int)($origW * ($targetH / $origH));
+        return [$newW, $newH, 0, 0, $origW, $origH];
+    }
+
+    // 指定宽高 → 居中裁剪
+    $srcRatio = $origW / $origH;
+    $dstRatio = $targetW / $targetH;
+
+    if ($srcRatio > $dstRatio) {
+        $cropH = $origH;
+        $cropW = (int)($origH * $dstRatio);
+        $srcX = (int)(($origW - $cropW) / 2);
+        $srcY = 0;
+    } else {
+        $cropW = $origW;
+        $cropH = (int)($origW / $dstRatio);
+        $srcX = 0;
+        $srcY = (int)(($origH - $cropH) / 2);
+    }
+
+    return [$targetW, $targetH, $srcX, $srcY, $cropW, $cropH];
+}
+
+
+// 处理图片，带裁剪逻辑
+private function processImageWithCrop($srcPath, $mime, $destPath, $width, $height, $srcX, $srcY, $cropW, $cropH, $quality) {
+    switch ($mime) {
+        case 'image/jpeg': $src = imagecreatefromjpeg($srcPath); break;
+        case 'image/png': $src = imagecreatefrompng($srcPath); imagesavealpha($src, true); break;
+        case 'image/gif': $src = imagecreatefromgif($srcPath); break;
+        case 'image/webp': $src = imagecreatefromwebp($srcPath); break;
+        default: throw new Exception("不支持的图片格式: {$mime}");
+    }
+
+    if (!$src) throw new Exception('无法解析图片内容');
+
+    $dest = imagecreatetruecolor($width, $height);
+
+    if ($mime === 'image/png' || $mime === 'image/gif') {
+        imagealphablending($dest, false);
+        imagesavealpha($dest, true);
+        $transparent = imagecolorallocatealpha($dest, 255, 255, 255, 127);
+        imagefilledrectangle($dest, 0, 0, $width, $height, $transparent);
+    }
+
+    imagecopyresampled(
+        $dest, $src,
+        0, 0,
+        $srcX, $srcY,
+        $width, $height,
+        $cropW, $cropH
+    );
+
+    $result = false;
+    switch ($mime) {
+        case 'image/jpeg': $result = imagejpeg($dest, $destPath, $quality); break;
+        case 'image/png': $result = imagepng($dest, $destPath); break;
+        case 'image/gif': $result = imagegif($dest, $destPath); break;
+        case 'image/webp': $result = imagewebp($dest, $destPath, $quality); break;
+    }
+
+    imagedestroy($src);
+    imagedestroy($dest);
+
+    return $result;
+}
+
+
+// 工具函数：图片处理（普通格式，不裁剪）
+private function processImage($srcPath, $mime, $destPath, $width, $height, $quality) {
+    switch ($mime) {
+        case 'image/jpeg': $src = imagecreatefromjpeg($srcPath); break;
+        case 'image/png': $src = imagecreatefrompng($srcPath); imagesavealpha($src, true); break;
+        case 'image/gif': $src = imagecreatefromgif($srcPath); break;
+        case 'image/webp': $src = imagecreatefromwebp($srcPath); break;
+        default: throw new Exception("不支持的图片格式: {$mime}");
+    }
+
+    if (!$src) throw new Exception('无法解析图片内容');
+
+    $dest = imagecreatetruecolor($width, $height);
+
+    if ($mime === 'image/png' || $mime === 'image/gif') {
+        imagealphablending($dest, false);
+        imagesavealpha($dest, true);
+        $transparent = imagecolorallocatealpha($dest, 255, 255, 255, 127);
+        imagefilledrectangle($dest, 0, 0, $width, $height, $transparent);
+    }
+
+    imagecopyresampled($dest, $src, 0, 0, 0, 0, $width, $height, imagesx($src), imagesy($src));
+
+    $result = false;
+    switch ($mime) {
+        case 'image/jpeg': $result = imagejpeg($dest, $destPath, $quality); break;
+        case 'image/png': $result = imagepng($dest, $destPath); break;
+        case 'image/gif': $result = imagegif($dest, $destPath); break;
+        case 'image/webp': $result = imagewebp($dest, $destPath, $quality); break;
+    }
+
+    imagedestroy($src);
+    imagedestroy($dest);
+
+    return $result;
+}
+
+    // 工具函数：上传错误信息
+    private function getUploadError($code) {
+        $errors = [
+            UPLOAD_ERR_INI_SIZE => '超过php.ini限制',
+            UPLOAD_ERR_FORM_SIZE => '超过表单限制',
+            UPLOAD_ERR_PARTIAL => '文件仅部分上传',
+            UPLOAD_ERR_NO_FILE => '未上传文件',
+            UPLOAD_ERR_NO_TMP_DIR => '缺少临时目录',
+            UPLOAD_ERR_CANT_WRITE => '写入文件失败',
+            UPLOAD_ERR_EXTENSION => '被扩展阻止'
+        ];
+        return $errors[$code] ?? "未知错误（代码: {$code}）";
+    }
+
+    // 工具函数：格式化文件大小
+    private function formatFileSize($bytes) {
+        if ($bytes < 1024) return $bytes . 'B';
+        if ($bytes < 1048576) return round($bytes / 1024, 1) . 'KB';
+        return round($bytes / 1048576, 1) . 'MB';
+    }
+
+    // 工具函数：JSON错误响应
+    private function jsonError($message) {
+        echo json_encode([
+            'status' => 'error',
+            'message' => $message
+        ]);
+        exit;
+    }
+  public function delete() {
+    header('Content-Type: application/json');
+
+    // 获取 JSON 输入
+    $input = json_decode(file_get_contents('php://input'), true);
+    
+    if (!isset($input['ids']) || !is_array($input['ids'])) {
+        echo json_encode(['status' => 'error', 'message' => '缺少参数']);
+        return;
+    }
+
+    // 将字符串数组转换为整数数组
+    $ids = array_map('intval', $input['ids']);
+    $ids = array_filter($ids); // 去除无效值
+
+    if (empty($ids)) {
+        echo json_encode(['status' => 'error', 'message' => '无效的 ID 列表']);
+        return;
+    }
+
+    try {
+        // 查询图片路径（如果你想同时删除图片文件）
+      $images = $this->db->select('images', ['id', 'newname'], [
+            'id' => $ids
+        ]);
+
+        foreach ($images as $img) {
+            $file = $this->uploadConfig['upload_dir'] . $img['newname'];
+            if (file_exists($file)) {
+                @unlink($file);
+            }
+        }
+
+        // 删除数据库记录
+        $this->db->delete('images', ['id' => $ids]);
+
+        echo json_encode(['status' => 'success']);
+    } catch (Exception $e) {
+        echo json_encode(['status' => 'error', 'message' => '删除失败：' . $e->getMessage()]);
+    }
+}
+
+
+
+
+}