247 lines
8.3 KiB
Python
247 lines
8.3 KiB
Python
from datetime import timedelta
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from typing import Optional
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from fastapi import APIRouter, Depends, HTTPException, Query
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from mysql.connector import Error as MySQLError
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from ds.db import db
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from encryption.encrypt_decorator import encrypt_response
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from middle.auth_middleware import (
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get_password_hash,
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verify_password,
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create_access_token,
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ACCESS_TOKEN_EXPIRE_MINUTES,
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get_current_user
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)
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from schema.response_schema import APIResponse
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from schema.user_schema import UserRegisterRequest, UserLoginRequest, UserResponse
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router = APIRouter(
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prefix="/api/users",
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tags=["用户管理"]
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)
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# 用户注册接口
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@router.post("/register", response_model=APIResponse, summary="用户注册")
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@encrypt_response()
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async def user_register(request: UserRegisterRequest):
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"""
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用户注册:
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- 校验用户名是否已存在
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- 加密密码后插入数据库
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- 返回注册成功信息
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"""
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conn = None
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cursor = None
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try:
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conn = db.get_connection()
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cursor = conn.cursor(dictionary=True)
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# 1. 检查用户名是否已存在（唯一索引）
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check_query = "SELECT username FROM users WHERE username = %s"
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cursor.execute(check_query, (request.username,))
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existing_user = cursor.fetchone()
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if existing_user:
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raise HTTPException(
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status_code=400,
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detail=f"用户名 '{request.username}' 已存在、请更换其他用户名"
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)
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# 2. 加密密码
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hashed_password = get_password_hash(request.password)
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# 3. 插入新用户到数据库
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insert_query = """
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INSERT INTO users (username, password)
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VALUES (%s, %s)
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"""
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cursor.execute(insert_query, (request.username, hashed_password))
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conn.commit() # 提交事务
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# 4. 返回注册成功响应
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return APIResponse(
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code=200, # 200 表示资源创建成功
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message=f"用户 '{request.username}' 注册成功",
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data=None
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)
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except MySQLError as e:
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conn.rollback() # 数据库错误时回滚事务
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raise Exception(f"注册失败: {str(e)}") from e
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finally:
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db.close_connection(conn, cursor)
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# 用户登录接口
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@router.post("/login", response_model=APIResponse, summary="用户登录（获取 Token）")
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@encrypt_response()
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async def user_login(request: UserLoginRequest):
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"""
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用户登录:
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- 校验用户名是否存在
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- 校验密码是否正确
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- 生成 JWT Token 并返回
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"""
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conn = None
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cursor = None
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try:
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conn = db.get_connection()
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cursor = conn.cursor(dictionary=True)
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# 修复: SQL查询添加 created_at 和 updated_at 字段
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query = """
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SELECT id, username, password, created_at, updated_at
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FROM users
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WHERE username = %s
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"""
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cursor.execute(query, (request.username,))
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user = cursor.fetchone()
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# 2. 校验用户名和密码
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if not user or not verify_password(request.password, user["password"]):
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raise HTTPException(
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status_code=401,
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detail="用户名或密码错误",
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headers={"WWW-Authenticate": "Bearer"},
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)
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# 3. 生成 Token（过期时间从配置读取）
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access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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access_token = create_access_token(
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data={"sub": user["username"]},
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expires_delta=access_token_expires
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)
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# 4. 返回 Token 和用户基本信息
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return APIResponse(
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code=200,
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message="登录成功",
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data={
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"access_token": access_token,
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"token_type": "bearer",
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"user": UserResponse(
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id=user["id"],
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username=user["username"],
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created_at=user.get("created_at"),
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updated_at=user.get("updated_at")
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)
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}
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)
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except MySQLError as e:
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raise Exception(f"登录失败: {str(e)}") from e
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finally:
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db.close_connection(conn, cursor)
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# 获取当前登录用户信息（需认证）
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@router.get("/me", response_model=APIResponse, summary="获取当前用户信息")
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@encrypt_response()
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async def get_current_user_info(
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current_user: UserResponse = Depends(get_current_user) # 依赖认证中间件
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):
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"""
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获取当前登录用户信息:
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- 需在请求头携带 Token（格式: Bearer <token>）
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- 认证通过后返回用户信息
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"""
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return APIResponse(
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code=200,
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message="获取用户信息成功",
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data=current_user
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)
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# 获取用户列表（仅需登录权限）
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@router.get("/list", response_model=APIResponse, summary="获取用户列表")
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@encrypt_response()
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async def get_user_list(
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page: int = Query(1, ge=1, description="页码、从1开始"),
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page_size: int = Query(10, ge=1, le=100, description="每页条数、1-100之间"),
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username: Optional[str] = Query(None, description="用户名模糊搜索"),
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current_user: UserResponse = Depends(get_current_user) # 仅需登录即可访问（移除管理员校验）
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):
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"""
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获取用户列表:
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- 需登录权限（请求头携带 Token: Bearer <token>）
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- 支持分页查询（page=页码、page_size=每页条数）
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- 支持用户名模糊搜索（如输入"test"可匹配"test123"、"admin_test"等）
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- 仅返回用户ID、用户名、创建时间、更新时间（不包含密码等敏感信息）
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"""
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conn = None
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cursor = None
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try:
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conn = db.get_connection()
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cursor = conn.cursor(dictionary=True)
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# 计算分页偏移量（page从1开始、偏移量=（页码-1）*每页条数）
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offset = (page - 1) * page_size
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# 基础查询（仅查非敏感字段）
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base_query = """
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SELECT id, username, created_at, updated_at
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FROM users
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"""
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# 总条数查询（用于分页计算）
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count_query = "SELECT COUNT(*) as total FROM users"
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# 条件拼接（支持用户名模糊搜索）
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conditions = []
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params = []
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if username:
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conditions.append("username LIKE %s")
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params.append(f"%{username}%") # 模糊匹配：%表示任意字符
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# 构建最终查询语句
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if conditions:
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where_clause = " WHERE " + " AND ".join(conditions)
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final_query = f"{base_query}{where_clause} LIMIT %s OFFSET %s"
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final_count_query = f"{count_query}{where_clause}"
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params.extend([page_size, offset]) # 追加分页参数
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else:
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final_query = f"{base_query} LIMIT %s OFFSET %s"
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final_count_query = count_query
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params = [page_size, offset]
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# 1. 查询用户列表数据
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cursor.execute(final_query, params)
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users = cursor.fetchall()
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# 2. 查询总条数（用于计算总页数）
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count_params = [f"%{username}%"] if username else []
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cursor.execute(final_count_query, count_params)
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total = cursor.fetchone()["total"]
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# 3. 转换为UserResponse模型（确保字段匹配）
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user_list = [
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UserResponse(
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id=user["id"],
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username=user["username"],
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created_at=user["created_at"],
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updated_at=user["updated_at"]
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)
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for user in users
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]
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# 4. 计算总页数（向上取整、如11条数据每页10条=2页）
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total_pages = (total + page_size - 1) // page_size
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# 返回结果（包含列表和分页信息）
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return APIResponse(
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code=200,
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message="获取用户列表成功",
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data={
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"users": user_list,
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"pagination": {
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"page": page, # 当前页码
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"page_size": page_size, # 每页条数
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"total": total, # 总数据量
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"total_pages": total_pages # 总页数
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}
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}
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)
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except MySQLError as e:
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raise Exception(f"获取用户列表失败: {str(e)}") from e
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finally:
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# 无论成功失败、都关闭数据库连接
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db.close_connection(conn, cursor)
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