初始提交: PDF翻译网站

功能:
- 上传PDF自动翻译成中文
- 不登录可用(次数限制)
- 登录后获得更多次数
- 会员等级制度(不同权益)
- 智能缓存(相同文件秒出结果)
- 原文译文对比查看
- 支持重新翻译(自定义要求)
- 翻译历史记录

技术栈: Flask + SQLAlchemy + Bootstrap5

config.py

@@ -0,0 +1,93 @@
+"""
+PDF翻译网站配置文件
+"""
+
+# ==================== 基础配置 ====================
+APP_NAME = "PDF翻译助手"
+APP_VERSION = "1.0.0"
+SECRET_KEY = "pdf-translate-secret-key-change-in-production"
+
+# 数据库
+DATABASE_URL = "sqlite:///pdf_translate.db"
+
+# 文件存储
+UPLOAD_DIR = "uploads"
+CACHE_DIR = "cache"
+OUTPUT_DIR = "outputs"
+MAX_FILE_SIZE = 50 * 1024 * 1024  # 50MB
+
+# ==================== LLM配置 ====================
+LLM_CONFIG = {
+    "api_base": "http://192.168.2.5:1234/v1",
+    "api_key": "sk-lm-fuP5tGU8:Hi7YU87jHyDP6Ay8Tl2j",
+    "model": "qwen/qwen3.5-35b-a3b",
+    "max_tokens": 8000,
+    "chunk_size": 2000,
+    "timeout": 180,
+}
+
+# ==================== 用户权限配置 ====================
+# 不同用户类型的限制
+USER_LIMITS = {
+    "guest": {  # 未登录访客
+        "daily_translations": 3,        # 每日翻译次数
+        "max_pages": 20,                 # 单个PDF最大页数
+        "max_file_size": 10 * 1024 * 1024,  # 10MB
+        "features": ["basic_translate"],
+    },
+    "free": {   # 免费注册用户
+        "daily_translations": 10,
+        "max_pages": 50,
+        "max_file_size": 30 * 1024 * 1024,  # 30MB
+        "features": ["basic_translate", "compare_view", "retranslate", "history"],
+    },
+    "vip_basic": {  # 基础会员 (月付 ¥29)
+        "daily_translations": 50,
+        "max_pages": 100,
+        "max_file_size": 50 * 1024 * 1024,
+        "features": ["basic_translate", "compare_view", "retranslate", "history", "priority_queue", "export_pdf"],
+    },
+    "vip_pro": {    # 专业会员 (月付 ¥99)
+        "daily_translations": 200,
+        "max_pages": 500,
+        "max_file_size": 100 * 1024 * 1024,
+        "features": ["basic_translate", "compare_view", "retranslate", "history", "priority_queue", "export_pdf", "batch_translate", "custom_terms"],
+    },
+    "vip_enterprise": {  # 企业会员 (年付 ¥999)
+        "daily_translations": -1,  # 无限制
+        "max_pages": -1,           # 无限制
+        "max_file_size": 200 * 1024 * 1024,
+        "features": ["all"],
+    },
+}
+
+# 会员套餐定价
+MEMBERSHIP_PLANS = {
+    "vip_basic": {
+        "name": "基础会员",
+        "price": 29,
+        "period": "month",
+        "description": "适合个人轻度使用",
+    },
+    "vip_pro": {
+        "name": "专业会员",
+        "price": 99,
+        "period": "month",
+        "description": "适合学术研究和专业翻译",
+    },
+    "vip_enterprise": {
+        "name": "企业会员",
+        "price": 999,
+        "period": "year",
+        "description": "适合企业和团队使用",
+    },
+}
+
+# ==================== Redis缓存配置 ====================
+REDIS_URL = "redis://localhost:6379/0"
+CACHE_EXPIRE_DAYS = 30  # 缓存有效期30天
+
+# ==================== 功能配置 ====================
+ENABLE_EMAIL_VERIFY = False  # 是否启用邮箱验证
+ENABLE_CACHE = True          # 是否启用翻译缓存
+ENABLE_HISTORY = True        # 是否保存翻译历史