php+html+jquery+css,批量上传图片，可拖拽排序前端插件

<?php header('Content-Type: application/json'); if ($_SERVER['REQUEST_METHOD'] !== 'POST') { echo json_encode(['success' => false, 'message' => '请求方法错误']); exit; } if (!isset($_FILES['images'])) { echo json_encode(['success' => false, 'message' => '未收到文件']); exit; } // 设置上传目录为 uploads/年月日 $uploadDir = 'uploads/' . date('Ymd') . '/'; if (!is_dir($uploadDir)) { mkdir($uploadDir, 0777, true); // 如果目录不存在则创建 } $uploadedFiles = []; $errors = []; foreach ($_FILES['images']['tmp_name'] as $index => $tmpName) { if ($_FILES['images']['error'][$index] !== UPLOAD_ERR_OK) { $errors[] = '文件 ' . $_FILES['images']['name'][$index] . ' 上传失败'; continue; } // 获取文件后缀 $fileExtension = pathinfo($_FILES['images']['name'][$index], PATHINFO_EXTENSION); // 生成唯一的文件名：uniqid + 6位随机数 + 后缀 $fileName = uniqid() . '_' . mt_rand(100000, 999999) . '.' . $fileExtension; $uploadPath = $uploadDir . $fileName; // 将文件移动到上传目录 if (move_uploaded_file($tmpName, $uploadPath)) { $uploadedFiles[] = $uploadPath; } else { $errors[] = '文件 ' . $_FILES['images']['name'][$index] . ' 保存失败'; } } if (empty($errors)) { echo json_encode(['success' => true, 'files' => $uploadedFiles]); } else { echo json_encode(['success' => false, 'message' => '部分文件上传失败', 'errors' => $errors]); } ?>