Initial commit: WordLoop 单词学习应用

Vue 前端 + FastAPI 后端，含部署脚本与词典数据。

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/config.py

@@ -0,0 +1,33 @@
+from functools import lru_cache
+from urllib.parse import quote_plus
+
+from pydantic_settings import BaseSettings, SettingsConfigDict
+
+
+class Settings(BaseSettings):
+    model_config = SettingsConfigDict(
+        env_file=".env",
+        env_file_encoding="utf-8",
+        extra="ignore",
+    )
+
+    mysql_host: str = "localhost"
+    mysql_port: int = 3306
+    mysql_user: str = "boot"
+    mysql_password: str = "888888"
+    mysql_database: str = "wordloop"
+
+    @property
+    def database_url(self) -> str:
+        user = quote_plus(self.mysql_user)
+        password = quote_plus(self.mysql_password)
+        return (
+            f"mysql+pymysql://{user}:{password}"
+            f"@{self.mysql_host}:{self.mysql_port}/{self.mysql_database}"
+            "?charset=utf8mb4"
+        )
+
+
+@lru_cache
+def get_settings() -> Settings:
+    return Settings()