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- <?php
- namespace app\api\controller;
- use app\common\controller\Api;
- use app\service\AIGatewayService;
- use think\Db;
- use think\Exception;
- /**
- * 首页接口
- */
- class Index extends Api
- {
- protected $noNeedLogin = ['*'];
- protected $noNeedRight = ['*'];
- /**
- * 首页
- */
- public function index()
- {
- $this->success('请求成功');
- }
- /**
- * 图生文接口
- */
- public function img_to_txt() {
- $params = $this->request->param();
- $prompt = trim($params['prompt']);
- $old_path = trim($params['path']);
- $model = trim($params['model']);
- $status_val = trim($params['status_val']);
- // 参数验证
- if (empty($prompt) || empty($old_path) || empty($model)) {
- return json([
- 'code' => 1,
- 'msg' => '缺少必要参数',
- 'data' => null
- ]);
- }
- $aiGateway = new AIGatewayService();
- // 获取图片的base64数据和MIME类型
- $imageData = AIGatewayService::file_get_contents($old_path);
- $base64Data = $imageData['base64Data'];
- $mimeType = $imageData['mimeType'];
- $formattedPrompt = "1. 输出语言:所有内容必须为纯简体中文,禁止出现任何英文、拼音、数字、注释、解释性文字、引导语、示例、标点外的特殊符号;
- 2. 第一步(提取原图产品):
- - 用1句完整中文描述原图产品,字数控制在50字以内;
- - 必须包含「主体细节、产品名称、商标、类型、颜色、风格」核心;
- 3. 第二步(生成新图提示词):
- - 仅替换【模板提示词】中「产品主体」相关内容为第一步的产品描述;
- - 严格保留模板中「设计风格、光影、背景、比例、排版」等非产品相关信息;
- - 完全排除模板中的标题类信息,仅保留提示词核心内容;
- - 替换后必须完全保留原图产品的核心特征,禁止修改模板非产品核心信息;
- 4. 输出格式:不允许添加任何解释、引导、说明、示例、备注,仅返回「产品描述 + 替换后提示词」,直接输出纯文本;
- 【模板提示词】{$prompt}";
- $result = $aiGateway->callGptApi($model, $formattedPrompt, $mimeType, $base64Data);
- // Gemini模型响应格式处理
- $imgToTxtContent = $result['candidates'][0]['content']['parts'][0]['text'];
- // // 图生文成功后,调用文生文功能(gemini-2.0-flash)
- $txtToTxtPrompt = "转换成中文格式,去掉其他特殊符号,不允许添加任何解释、引导、说明、示例等文字:\n\n{$imgToTxtContent}";
- $txtToTxtResult = $aiGateway->txtGptApi($txtToTxtPrompt, 'gemini-2.0-flash');
- $finalContent = $txtToTxtResult['candidates'][0]['content']['parts'][0]['text'];
- // 处理调试输出内容
- $debugContent = json_encode($finalContent, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
- // 去掉特殊符号(只保留字母、数字、中文、常用标点和换行)
- $debugContent = preg_replace('/[^\p{Han}\w\s\n\r\.,,。!!??\-\::;;]/u', '', $debugContent);
- // 去掉第一个冒号前的文字
- $debugContent = preg_replace('/^[^:]+:/', '', $debugContent);
- return json([
- 'code' => 0,
- 'msg' => '处理成功',
- 'data' => [
- 'content' => $debugContent,
- 'english_content' => $imgToTxtContent
- ]
- ]);
- }
- /**
- * 文生图接口
- */
- public function txt_to_img() {
- $params = $this->request->param();
- $prompt = trim($params['prompt']);
- $model = trim($params['model']);
- $status_val = trim($params['status_val']);
- $size = trim($params['size']);
- // 获取产品信息
- $product = Db::name('product')->where('id', 1)->find();
- if (empty($product)) {
- return json([
- 'code' => 1,
- 'msg' => '产品不存在',
- 'data' => null
- ]);
- }
- $product_code = $product['product_code'];
- $product_code_prefix = substr($product_code, 0, 9); // 前九位
- // 构建URL路径(使用正斜杠)
- $url_path = '/uploads/merchant/' . $product_code_prefix . '/' . $product_code . '/newimg/';
- // 构建物理路径(使用正斜杠确保统一格式)
- $save_path = ROOT_PATH . 'public' . '/' . 'uploads' . '/' . 'merchant' . '/' . $product_code_prefix . '/' . $product_code . '/' . 'newimg' . '/';
- // 移除ROOT_PATH中可能存在的反斜杠,确保统一使用正斜杠
- $save_path = str_replace('\\', '/', $save_path);
- // 自动创建文件夹(如果不存在)
- if (!is_dir($save_path)) {
- mkdir($save_path, 0755, true);
- }
- // 调用AI生成图片
- $aiGateway = new AIGatewayService();
- $res = $aiGateway->callDalleApi($prompt, $model, $size);
- // 提取base64图片数据
- if (isset($res['candidates'][0]['content']['parts'][0]['text'])) {
- $text_content = $res['candidates'][0]['content']['parts'][0]['text'];
- // 匹配base64图片数据
- preg_match('/data:image\/(png|jpg|jpeg);base64,([^"]+)/', $text_content, $matches);
- if (empty($matches)) {
- return json([
- 'code' => 1,
- 'msg' => '未找到图片数据',
- 'data' => null
- ]);
- }
- $image_type = $matches[1];
- $base64_data = $matches[2];
- // 解码base64数据
- $image_data = base64_decode($base64_data);
- if ($image_data === false) {
- return json([
- 'code' => 1,
- 'msg' => '图片解码失败',
- 'data' => null
- ]);
- }
- // 生成唯一文件名(包含扩展名)
- $file_name = uniqid() . '.' . $image_type;
- $full_file_path = $save_path . $file_name;
- // 保存图片到文件系统
- if (!file_put_contents($full_file_path, $image_data)) {
- return json([
- 'code' => 1,
- 'msg' => '图片保存失败',
- 'data' => null
- ]);
- }
- // 生成数据库存储路径(使用正斜杠格式)
- $db_img_path = $url_path . $file_name;
- Db::name('product')->where('id', 1)->update(['product_new_img' => $db_img_path]);
- return json([
- 'code' => 0,
- 'msg' => '文生图请求成功并保存图片',
- 'data' => [
- 'img' => $db_img_path,
- 'product_id' => 1
- ]
- ]);
- } else {
- return json([
- 'code' => 1,
- 'msg' => 'AI返回格式错误',
- 'data' => null
- ]);
- }
- }
- /**
- * 图生图本地测试
- * 原图+参考图+提示词=生成新图
- * 已替换为公开测试图(免本地文件)+ 通用提示词
- */
- public function GET_ImgToImg()
- {
- // 【通用简化提示词】:明确图生图核心需求,适配测试场景
- $prompt = '参考第二张模板图片的轻奢设计风格、光影布局、纯色背景和产品展示比例,将第一张可乐产品图的主体替换到模板的核心位置,保留模板的所有非产品设计元素,生成1:1高清产品效果图,无水印、无多余文字,画质清晰';
- $size = '1:1';// 生成图片比例
- $model = 'gemini-3-pro-image-preview'; // 当前使用的模型
- $numImages = 1; // 生成图像数量,gemini模型目前只支持生成1张
- // 支持多图像生成的模型:dall-e-3, black-forest-labs/FLUX.1-kontext-pro, gpt-image-1
- // 这些模型通过设置 'n' 参数来指定生成图像数量
- // 检查模型是否支持多图像生成
- $supportMultiImages = in_array($model, ['dall-e-3', 'black-forest-labs/FLUX.1-kontext-pro', 'gpt-image-1']);
- if ($supportMultiImages && $numImages > 1) {
- // 对于支持多图像生成的模型,可以设置生成数量
- $n = $numImages;
- }
- /**************************
- * 替换为:公开测试图(直接转Base64,无需本地文件)
- * 图1:产品图(可乐罐,通用测试)
- * 图2:模版图(轻奢产品展示背景,通用测试)
- **************************/
- // 产品图:公开可乐图URL
- $productImgUrl = 'https://s41.ax1x.com/2026/02/02/pZ4crcj.jpg';
- // 模版图:公开轻奢产品展示背景图URL
- $templateImgUrl = 'https://s41.ax1x.com/2026/02/02/pZ4cw4S.jpg';
- // 封装:URL转纯Base64(去前缀)+ MIME类型,无需本地文件,直接测试
- function urlToPureBase64($imgUrl) {
- $imgContent = file_get_contents($imgUrl);
- if (!$imgContent) throw new Exception("图片URL读取失败");
- // 通过文件扩展名确定MIME类型
- $extension = strtolower(pathinfo($imgUrl, PATHINFO_EXTENSION));
- $mimeTypes = [
- 'jpg' => 'image/jpeg',
- 'jpeg' => 'image/jpeg',
- 'png' => 'image/png',
- 'gif' => 'image/gif',
- 'webp' => 'image/webp'
- ];
- $mime = $mimeTypes[$extension] ?? 'image/jpeg';
- $base64 = base64_encode($imgContent);
- return ['mime' => $mime, 'base64' => $base64];
- }
- try {
- // 获取两张测试图的纯Base64和MIME
- $productImg = urlToPureBase64($productImgUrl);
- $templateImg = urlToPureBase64($templateImgUrl);
- // ########## 构造API请求参数(适配gemini-3-pro-image-preview) ##########
- $data = [
- "contents" => [
- [
- "role" => "user",
- "parts" => [
- ["text" => $prompt],
- // 产品图
- ["inlineData" => [
- "mimeType" => $productImg['mime'],
- "data" => $productImg['base64']
- ]],
- // 模版图
- ["inlineData" => [
- "mimeType" => $templateImg['mime'],
- "data" => $templateImg['base64']
- ]]
- ]
- ]
- ],
- "generationConfig" => [
- "responseModalities" => ["IMAGE"],
- "imageConfig" => ["aspectRatio" => $size, "quality" => "HIGH"],
- "temperature" => 0.6,
- "topP" => 0.9,
- "maxOutputTokens" => 2048
- ]
- ];
- // ########## 调用API ##########
- $apiUrl = 'https://chatapi.onechats.ai/v1beta/models/gemini-3-pro-image-preview:generateContent';
- $apiKey = 'sk-9aIV9nx7pJxJFMrB8REtNbhjYuNBxCcnEOwiJDHd6UwmN2eJ';
- $result = AIGatewayService::callApi($apiUrl, $apiKey, $data);
- // 处理响应
- if (isset($result['candidates'][0]['content']['parts'][0]['inlineData']['data'])) {
- // 直接从inlineData获取图片数据
- $base64_data = $result['candidates'][0]['content']['parts'][0]['inlineData']['data'];
- $image_type = 'jpg'; // 默认类型
- // 解码base64数据
- $image_data = base64_decode($base64_data);
- if ($image_data === false) {
- return json([
- 'code' => 1,
- 'msg' => '图片解码失败',
- 'data' => null
- ]);
- }
- // 保存图片
- $saveDir = ROOT_PATH . 'public/uploads/img2img/';
- if (!is_dir($saveDir)) {
- mkdir($saveDir, 0755, true);
- }
- $fileName = 'img2img-' . time() . '.' . $image_type;
- $savePath = $saveDir . $fileName;
- if (!file_put_contents($savePath, $image_data)) {
- return json([
- 'code' => 1,
- 'msg' => '图片保存失败',
- 'data' => null
- ]);
- }
- // 生成访问路径
- $accessPath = '/uploads/img2img/' . $fileName;
- return json([
- 'code' => 0,
- 'msg' => '图生图已生成',
- 'data' => [
- 'image' => $accessPath,
- 'model' => $model,
- 'support_multi_images' => $supportMultiImages
- ]
- ]);
- } else if (isset($result['candidates'][0]['content']['parts'][0]['text'])) {
- // 尝试从文本响应中提取图片
- $text_content = $result['candidates'][0]['content']['parts'][0]['text'];
- preg_match('/data:image\/(png|jpg|jpeg);base64,([^"]+)/', $text_content, $matches);
- if (empty($matches)) {
- return json([
- 'code' => 1,
- 'msg' => '未找到图片数据',
- 'data' => null
- ]);
- }
- $image_type = $matches[1];
- $base64_data = $matches[2];
- // 解码base64数据
- $image_data = base64_decode($base64_data);
- if ($image_data === false) {
- return json([
- 'code' => 1,
- 'msg' => '图片解码失败',
- 'data' => null
- ]);
- }
- // 保存图片
- $saveDir = ROOT_PATH . 'public/uploads/img2img/';
- if (!is_dir($saveDir)) {
- mkdir($saveDir, 0755, true);
- }
- $fileName = 'img2img-' . time() . '.' . $image_type;
- $savePath = $saveDir . $fileName;
- if (!file_put_contents($savePath, $image_data)) {
- return json([
- 'code' => 1,
- 'msg' => '图片保存失败',
- 'data' => null
- ]);
- }
- // 生成访问路径
- $accessPath = '/uploads/img2img/' . $fileName;
- return json([
- 'code' => 0,
- 'msg' => '图生图已生成',
- 'data' => [
- 'image' => $accessPath,
- 'model' => $model,
- 'support_multi_images' => $supportMultiImages
- ]
- ]);
- } else {
- return json([
- 'code' => 1,
- 'msg' => 'API返回格式错误',
- 'data' => null
- ]);
- }
- } catch (Exception $e) {
- return json([
- 'code' => 1,
- 'msg' => 'API调用失败:' . $e->getMessage(),
- 'data' => null
- ]);
- }
- }
- /**
- * 图生图本地测试
- */
- public function imgtowimg()
- {
- $prompt = $this->request->param('prompt', '');
- $imgRelPath = 'uploads/operate/ai/Preview/arr/0835006071623.png';
- $imgPath = ROOT_PATH . 'public/' . $imgRelPath;
- if (!file_exists($imgPath)) {
- return json(['code' => 1, 'msg' => '原图不存在:' . $imgRelPath]);
- }
- $imgData = file_get_contents($imgPath);
- $base64Img = 'data:image/png;base64,' . base64_encode($imgData);
- $params = [
- 'prompt' => $prompt,
- 'negative_prompt' => '(deformed, distorted, disfigured:1.3), poorly drawn, bad anatomy',
- 'steps' => 20,
- 'sampler_name' => 'DPM++ 2M SDE',
- 'cfg_scale' => 7,
- 'seed' => -1,
- 'width' => 1024,
- 'height' => 1303,
- 'override_settings' => [
- 'sd_model_checkpoint' => 'realisticVisionV51_v51VAE-inpainting',
- 'sd_vae' => 'vae-ft-mse-840000-ema-pruned',
- 'CLIP_stop_at_last_layers' => 2
- ],
- 'clip_skip' => 2,
- 'alwayson_scripts' => [
- 'controlnet' => [
- 'args' => [[
- 'enabled' => true,
- 'input_image' => $base64Img,
- 'module' => 'inpaint_only+lama',
- 'model' => 'control_v11p_sd15_inpaint_fp16 [be8bc0ed]',
- 'weight' => 1,
- 'resize_mode' => 'Resize and Fill',
- 'pixel_perfect' => false,
- 'control_mode' => 'ControlNet is more important',
- 'starting_control_step' => 0,
- 'ending_control_step' => 1
- ]]
- ]
- ]
- ];
- $apiUrl = "http://20.0.17.188:45001/sdapi/v1/txt2img";
- $headers = ['Content-Type: application/json'];
- $ch = curl_init();
- curl_setopt($ch, CURLOPT_URL, $apiUrl);
- curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
- curl_setopt($ch, CURLOPT_POST, true);
- curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
- curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($params, JSON_UNESCAPED_UNICODE));
- curl_setopt($ch, CURLOPT_TIMEOUT, 180);
- $response = curl_exec($ch);
- $error = curl_error($ch);
- curl_close($ch);
- if ($error) {
- return json(['code' => 1, 'msg' => '请求失败:' . $error]);
- }
- $data = json_decode($response, true);
- if (!isset($data['images'][0])) {
- return json(['code' => 1, 'msg' => '接口未返回图像数据']);
- }
- $resultImg = base64_decode($data['images'][0]);
- $saveDir = ROOT_PATH . 'public/uploads/img2img/';
- if (!is_dir($saveDir)) {
- mkdir($saveDir, 0755, true);
- }
- $originalBaseName = pathinfo($imgRelPath, PATHINFO_FILENAME);
- $fileName = $originalBaseName . '-' . time() . '-1024x1248.png';
- $savePath = $saveDir . $fileName;
- file_put_contents($savePath, $resultImg);
- return json([
- 'code' => 0,
- 'msg' => '图像生成成功',
- 'data' => [
- 'origin_url' => '/uploads/img2img/' . $fileName
- ]
- ]);
- }
- /**
- * 后期图像处理-单张图片高清放大处理
- */
- public function extra_image()
- {
- // 配置参数
- $config = [
- 'input_dir' => 'uploads/img2img/',
- 'output_dir' => 'uploads/extra_image/',
- 'api_url' => 'http://20.0.17.188:45001/sdapi/v1/extra-single-image',
- 'timeout' => 120, // 增加超时时间,高清处理可能耗时较长
- 'upscale_params' => [
- 'resize_mode' => 0,
- 'show_extras_results' => true,
- 'gfpgan_visibility' => 0, // 人脸修复关闭
- 'codeformer_visibility' => 0, // 人脸修复关闭
- 'codeformer_weight' => 0,
- 'upscaling_resize' => 2.45, // 放大倍数
- 'upscaling_crop' => true,
- 'upscaler_1' => 'R-ESRGAN 4x+ Anime6B', // 主放大模型
- 'upscaler_2' => 'None', // 不使用第二放大器
- 'extras_upscaler_2_visibility' => 0,
- 'upscale_first' => false,
- ]
- ];
- // 输入文件处理
- $imgRelPath = '0835006071623-1757406184-1024x1248.png';
- $imgPath = ROOT_PATH . 'public/' . $config['input_dir'] . $imgRelPath;
- if (!file_exists($imgPath)) {
- return json(['code' => 1, 'msg' => '原图不存在:' . $imgRelPath]);
- }
- // 读取并编码图片
- try {
- $imgData = file_get_contents($imgPath);
- if ($imgData === false) {
- throw new Exception('无法读取图片文件');
- }
- $base64Img = base64_encode($imgData);
- } catch (Exception $e) {
- return json(['code' => 1, 'msg' => '图片处理失败:' . $e->getMessage()]);
- }
- // 准备API请求数据
- $postData = array_merge($config['upscale_params'], ['image' => $base64Img]);
- $jsonData = json_encode($postData);
- if ($jsonData === false) {
- return json(['code' => 1, 'msg' => 'JSON编码失败']);
- }
- // 调用API进行高清放大
- $ch = curl_init();
- curl_setopt_array($ch, [
- CURLOPT_URL => $config['api_url'],
- CURLOPT_RETURNTRANSFER => true,
- CURLOPT_POST => true,
- CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
- CURLOPT_POSTFIELDS => $jsonData,
- CURLOPT_TIMEOUT => $config['timeout'],
- CURLOPT_CONNECTTIMEOUT => 30,
- ]);
- $response = curl_exec($ch);
- $error = curl_error($ch);
- $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
- curl_close($ch);
- if ($error) {
- return json(['code' => 1, 'msg' => 'API请求失败:' . $error]);
- }
- if ($httpCode !== 200) {
- return json(['code' => 1, 'msg' => 'API返回错误状态码:' . $httpCode]);
- }
- $data = json_decode($response, true);
- if (json_last_error() !== JSON_ERROR_NONE) {
- return json(['code' => 1, 'msg' => 'API返回数据解析失败']);
- }
- if (!isset($data['image']) || empty($data['image'])) {
- return json(['code' => 1, 'msg' => '接口未返回有效的图像数据']);
- }
- // 保存处理后的图片
- try {
- $resultImg = base64_decode($data['image']);
- if ($resultImg === false) {
- throw new Exception('Base64解码失败');
- }
- $saveDir = ROOT_PATH . 'public/' . $config['output_dir'];
- if (!is_dir($saveDir) && !mkdir($saveDir, 0755, true)) {
- throw new Exception('无法创建输出目录');
- }
- $originalBaseName = pathinfo($imgRelPath, PATHINFO_FILENAME);
- $fileName = $originalBaseName . '-hd.png'; // 使用-hd后缀更明确
- $savePath = $saveDir . $fileName;
- if (file_put_contents($savePath, $resultImg) === false) {
- throw new Exception('无法保存处理后的图片');
- }
- // 返回成功响应
- return json([
- 'code' => 0,
- 'msg' => '图像高清放大处理成功',
- 'data' => [
- 'url' => '/' . $config['output_dir'] . $fileName,
- 'original_size' => filesize($imgPath),
- 'processed_size' => filesize($savePath),
- 'resolution' => getimagesize($savePath), // 返回新图片的分辨率
- ]
- ]);
- } catch (Exception $e) {
- return json(['code' => 1, 'msg' => '保存结果失败:' . $e->getMessage()]);
- }
- }
- /**
- * 文本生成图片并保存第一张结果
- * @param array $params 请求参数
- * @return array 返回结果
- */
- public function txttowimg()
- {
- // API配置
- $config = [
- 'api_url' => 'https://chatapi.onechats.ai/mj/submit/imagine',
- 'fetch_url' => 'https://chatapi.onechats.ai/mj/task/',
- 'api_key' => 'sk-iURfrAgzAjhZ4PpPLwzmWIAhM7zKfrkwDvyxk4RVBQ4ouJNK',
- 'default_prompt' => '一个猫',
- 'wait_time' => 3 // 等待生成完成的秒数
- ];
- try {
- // 1. 准备请求数据
- $prompt = $config['default_prompt'];
- $postData = [
- 'botType' => 'MID_JOURNEY',
- 'prompt' => $prompt,
- 'base64Array' => [],
- 'accountFilter' => [
- 'channelId' => "",
- 'instanceId' => "",
- 'modes' => [],
- 'remark' => "",
- 'remix' => true,
- 'remixAutoConsidered' => true
- ],
- 'notifyHook' => "",
- 'state' => ""
- ];
- // 2. 提交生成请求
- $generateResponse = $this->sendApiRequest($config['api_url'], $postData, $config['api_key']);
- $generateData = json_decode($generateResponse, true);
- if (empty($generateData['result'])) {
- throw new Exception('生成失败: '.($generateData['message'] ?? '未知错误'));
- }
- $taskId = $generateData['result'];
- // 3. 等待图片生成完成
- sleep($config['wait_time']);
- // 4. 获取生成结果
- $fetchUrl = $config['fetch_url'].$taskId.'/fetch';
- $fetchResponse = $this->sendApiRequest($fetchUrl, [], $config['api_key'], 'GET');
- $fetchData = json_decode($fetchResponse, true);
- if (empty($fetchData['imageUrl'])) {
- throw new Exception('获取图片失败: '.($fetchData['message'] ?? '未知错误'));
- }
- // 5. 处理返回的图片数组(取第一张)
- $imageUrls = is_array($fetchData['imageUrl']) ? $fetchData['imageUrl'] : [$fetchData['imageUrl']];
- $firstImageUrl = $imageUrls[0];
- // 6. 保存图片到本地
- $savePath = $this->saveImage($firstImageUrl);
- // 7. 返回结果
- return [
- 'code' => 200,
- 'msg' => '图片生成并保存成功',
- 'data' => [
- 'local_path' => $savePath,
- 'web_url' => request()->domain().$savePath,
- 'task_id' => $taskId
- ]
- ];
- } catch (Exception $e) {
- // 错误处理
- return [
- 'code' => 500,
- 'msg' => '处理失败: '.$e->getMessage(),
- 'data' => null
- ];
- }
- }
- /**
- * 发送API请求
- * @param string $url 请求地址
- * @param array $data 请求数据
- * @param string $apiKey API密钥
- * @param string $method 请求方法
- * @return string 响应内容
- * @throws Exception
- */
- private function sendApiRequest($url, $data, $apiKey, $method = 'POST')
- {
- $ch = curl_init();
- curl_setopt_array($ch, [
- CURLOPT_URL => $url,
- CURLOPT_RETURNTRANSFER => true,
- CURLOPT_CUSTOMREQUEST => $method,
- CURLOPT_HTTPHEADER => [
- 'Authorization: Bearer '.$apiKey,
- 'Accept: application/json',
- 'Content-Type: application/json'
- ],
- CURLOPT_POSTFIELDS => $method === 'POST' ? json_encode($data) : null,
- CURLOPT_SSL_VERIFYPEER => false,
- CURLOPT_SSL_VERIFYHOST => false,
- CURLOPT_TIMEOUT => 60,
- CURLOPT_FAILONERROR => true
- ]);
- $response = curl_exec($ch);
- $error = curl_error($ch);
- $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
- curl_close($ch);
- if ($error) {
- throw new Exception('API请求失败: '.$error);
- }
- if ($httpCode < 200 || $httpCode >= 300) {
- throw new Exception('API返回错误状态码: '.$httpCode);
- }
- return $response;
- }
- /**
- * 保存图片到本地
- * @param string $imageUrl 图片URL
- * @return string 本地保存路径
- * @throws Exception
- */
- private function saveImage($imageUrl)
- {
- // 1. 创建存储目录
- $saveDir = ROOT_PATH.'public'.DS.'uploads'.DS.'midjourney'.DS.date('Ymd');
- if (!is_dir($saveDir)) {
- mkdir($saveDir, 0755, true);
- }
- // 2. 生成唯一文件名
- $filename = uniqid().'.png';
- $localPath = DS.'uploads'.DS.'midjourney'.DS.date('Ymd').DS.$filename;
- $fullPath = $saveDir.DS.$filename;
- // 3. 下载图片
- $ch = curl_init($imageUrl);
- curl_setopt_array($ch, [
- CURLOPT_RETURNTRANSFER => true,
- CURLOPT_FOLLOWLOCATION => true,
- CURLOPT_SSL_VERIFYPEER => false,
- CURLOPT_CONNECTTIMEOUT => 15
- ]);
- $imageData = curl_exec($ch);
- $error = curl_error($ch);
- curl_close($ch);
- if (!$imageData) {
- throw new Exception('图片下载失败: '.$error);
- }
- // 4. 验证图片类型
- $imageInfo = getimagesizefromstring($imageData);
- if (!in_array($imageInfo['mime'] ?? '', ['image/png', 'image/jpeg'])) {
- throw new Exception('下载内容不是有效图片');
- }
- // 5. 保存文件
- if (!file_put_contents($fullPath, $imageData)) {
- throw new Exception('图片保存失败');
- }
- return $localPath;
- }
- }
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