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diff --git a/crud.py b/crud.py
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+++ b/crud.py
@@ -0,0 +1,41 @@
+from sqlalchemy.orm import Session
+
+# from . import models, schemas
+import models, schemas
+
+
+# 通过id获取用户
+def get_user(db: Session, user_id: int):
+    return db.query(models.User).filter(models.User.id == user_id).first()
+
+
+# 通过openId岔村用户
+def get_user_by_openId(db: Session, openId: str):
+    return db.query(models.User).filter(models.User.openId == openId).first()
+
+
+# 分页查询-用户all
+def get_users(db: Session, skip: int = 0, limit: int = 100):
+    return db.query(models.User).offset(skip).limit(limit).all()
+
+
+# 创建用户
+# user:schemas.UserCreate
+def create_user(db: Session, user:schemas.UserCreate):
+    db_user = models.User(
+        wxid=user.wxid,
+        openId=user.openId,
+        sex=user.sex,
+        country=user.country,
+        province=user.province,
+        sourceStr=user.sourceStr,
+        usertype=user.usertype,
+        nickname=user.nickname,
+        wxaccount=user.wxaccount,
+        remark=user.remark,
+        smallhead=user.smallhead,
+    )
+    db.add(db_user)
+    db.commit()
+    db.refresh(db_user)
+    return db_user
diff --git a/database.py b/database.py
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+++ b/database.py
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+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+
+SQLALCHEMY_DATABASE_URL = "sqlite:///./kunpeng.db"
+# SQLALCHEMY_DATABASE_URL = "postgresql://user:password@postgresserver/db"
+
+engine = create_engine(
+    SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False}
+)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+Base = declarative_base()
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diff --git a/kunpeng.db b/kunpeng.db
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diff --git a/main.py b/main.py
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+++ b/main.py
@@ -0,0 +1,53 @@
+from fastapi import Depends, FastAPI, HTTPException
+from sqlalchemy.orm import Session
+
+# from . import crud, models, schemas
+import crud, models, schemas
+from database import SessionLocal, engine
+# from .database import SessionLocal, engine
+
+models.Base.metadata.create_all(bind=engine)
+
+app = FastAPI()
+
+
+# Dependency
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+
+# 默认首页
+@app.get("/")
+async def root():
+    return {"message": "Hello World"}
+
+
+# 创建用户
+@app.post("/users/")
+# schemas.UserCreate决定了swagger文档
+def create_user(user: schemas.UserCreate, db: Session = Depends(get_db)):
+    db_user = crud.create_user(db, user)
+    if db_user:
+        raise HTTPException(status_code=400,
+                            detail="openId already registered")
+    return crud.create_user(db=db, user=user)
+
+
+# 分页查询-用户
+@app.get("/users/")
+def read_users(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
+    users = crud.get_users(db, skip=skip, limit=limit)
+    return users
+
+
+# 根据openId查询用户
+@app.get("/users/{openId}")
+def read_user(openId, db: Session = Depends(get_db)):
+    db_user = crud.get_user_by_openId(db, openId=openId)
+    if db_user is None:
+        raise HTTPException(status_code=404, detail="User not found")
+    return db_user
diff --git a/models.py b/models.py
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--- /dev/null
+++ b/models.py
@@ -0,0 +1,22 @@
+from sqlalchemy import Boolean, Column, ForeignKey, Integer, String
+from sqlalchemy.orm import relationship
+
+from database import Base
+# from .database import Base
+
+class User(Base):
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True)
+    wxid = Column(String) 
+    openId = Column(String)
+    sex = Column(String) #性别
+    country = Column(String) #"CN"
+    province = Column(String) #"Hubei"
+    sourceStr = Column(String) #:"通过朋友验证消息添加"
+    usertype = Column(String)
+    nickname = Column(String) #昵称
+    wxaccount = Column(String) #微信号
+    remark = Column(String) #备注
+    smallhead = Column(String) #头像
+
diff --git a/schemas.py b/schemas.py
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--- /dev/null
+++ b/schemas.py
@@ -0,0 +1,28 @@
+from pydantic import BaseModel
+
+
+
+
+# 用户信息
+class UserCreate(BaseModel):
+    password: str
+    wxid: str
+    openId: str
+    sex: str
+    country: str
+    province: str
+    sourceStr: str
+    usertype: str
+    nickname: str
+    wxaccount: str
+    remark: str
+    smallhead: str
+
+
+
+class User(UserCreate):
+    id: int
+    is_active: bool
+
+    class Config:
+        orm_mode = True
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