feat: 切换为MariaDB数据库存储

app/api/auth/login/route.ts

@@ -1,26 +1,6 @@
 import { NextRequest, NextResponse } from 'next/server';
-import fs from 'fs/promises';
-import path from 'path';
 import crypto from 'crypto';
-
-const USERS_FILE = path.join(process.cwd(), 'data/users.json');
-
-interface User {
-  id: string;
-  username: string;
-  passwordHash: string;
-  token: string;
-  createdAt: string;
-}
-
-async function readUsers(): Promise<User[]> {
-  try {
-    const data = await fs.readFile(USERS_FILE, 'utf-8');
-    return JSON.parse(data);
-  } catch {
-    return [];
-  }
-}
+import pool from '@/lib/db';
 
 function hashPassword(password: string): string {
   return crypto.createHash('sha256').update(password).digest('hex');
@@ -31,6 +11,7 @@ function generateToken(): string {
 }
 
 export async function POST(request: NextRequest) {
+  let connection;
   try {
     const { username, password } = await request.json();
     
@@ -38,18 +19,18 @@ export async function POST(request: NextRequest) {
       return NextResponse.json({ error: '用户名和密码不能为空' }, { status: 400 });
     }
     
-    const users = await readUsers();
-    const user = users.find(u => u.username === username);
+    connection = await pool.getConnection();
     
-    if (!user || user.passwordHash !== hashPassword(password)) {
+    const [rows] = await connection.query<any[]>('SELECT * FROM users WHERE username = ?', [username]);
+    
+    if (rows.length === 0 || rows[0].password_hash !== hashPassword(password)) {
       return NextResponse.json({ error: '用户名或密码错误' }, { status: 401 });
     }
     
     const newToken = generateToken();
-    user.token = newToken;
-    await fs.writeFile(USERS_FILE, JSON.stringify(users, null, 2));
+    await connection.query('UPDATE users SET token = ? WHERE id = ?', [newToken, rows[0].id]);
     
-    const response = NextResponse.json({ success: true, username: user.username });
+    const response = NextResponse.json({ success: true, username });
     response.cookies.set('auth_token', newToken, {
       httpOnly: true,
       secure: false,
@@ -62,5 +43,7 @@ export async function POST(request: NextRequest) {
   } catch (error) {
     console.error('Login error:', error);
     return NextResponse.json({ error: '登录失败' }, { status: 500 });
+  } finally {
+    if (connection) connection.release();
   }
-}
+}

app/api/auth/me/route.ts

@@ -1,25 +1,8 @@
 import { NextRequest, NextResponse } from 'next/server';
-import fs from 'fs/promises';
-import path from 'path';
-
-const USERS_FILE = path.join(process.cwd(), 'data/users.json');
-
-interface User {
-  id: string;
-  username: string;
-  token: string;
-}
-
-async function readUsers(): Promise<User[]> {
-  try {
-    const data = await fs.readFile(USERS_FILE, 'utf-8');
-    return JSON.parse(data);
-  } catch {
-    return [];
-  }
-}
+import pool from '@/lib/db';
 
 export async function GET(request: NextRequest) {
+  let connection;
   try {
     const token = request.cookies.get('auth_token')?.value;
     
@@ -27,17 +10,20 @@ export async function GET(request: NextRequest) {
       return NextResponse.json({ user: null });
     }
     
-    const users = await readUsers();
-    const user = users.find(u => u.token === token);
+    connection = await pool.getConnection();
     
-    if (!user) {
+    const [rows] = await connection.query<any[]>('SELECT username FROM users WHERE token = ?', [token]);
+    
+    if (rows.length === 0) {
       return NextResponse.json({ user: null });
     }
     
-    return NextResponse.json({ user: { username: user.username } });
+    return NextResponse.json({ user: { username: rows[0].username } });
   } catch (error) {
     console.error('Get user error:', error);
     return NextResponse.json({ user: null });
+  } finally {
+    if (connection) connection.release();
   }
 }
 
@@ -45,4 +31,4 @@ export async function DELETE(request: NextRequest) {
   const response = NextResponse.json({ success: true });
   response.cookies.delete('auth_token');
   return response;
-}
+}

app/api/auth/register/route.ts

@@ -1,31 +1,6 @@
 import { NextRequest, NextResponse } from 'next/server';
-import fs from 'fs/promises';
-import path from 'path';
 import crypto from 'crypto';
-
-const DATA_DIR = path.join(process.cwd(), 'data');
-const USERS_FILE = path.join(DATA_DIR, 'users.json');
-
-interface User {
-  id: string;
-  username: string;
-  passwordHash: string;
-  token: string;
-  createdAt: string;
-}
-
-async function readUsers(): Promise<User[]> {
-  try {
-    const data = await fs.readFile(USERS_FILE, 'utf-8');
-    return JSON.parse(data);
-  } catch {
-    return [];
-  }
-}
-
-async function writeUsers(users: User[]): Promise<void> {
-  await fs.writeFile(USERS_FILE, JSON.stringify(users, null, 2));
-}
+import pool from '@/lib/db';
 
 function hashPassword(password: string): string {
   return crypto.createHash('sha256').update(password).digest('hex');
@@ -36,6 +11,7 @@ function generateToken(): string {
 }
 
 export async function POST(request: NextRequest) {
+  let connection;
   try {
     const { username, password } = await request.json();
     
@@ -47,23 +23,19 @@ export async function POST(request: NextRequest) {
       return NextResponse.json({ error: '用户名至少3位，密码至少6位' }, { status: 400 });
     }
     
-    const users = await readUsers();
+    connection = await pool.getConnection();
     
-    if (users.find(u => u.username === username)) {
+    const [rows] = await connection.query<any[]>('SELECT id FROM users WHERE username = ?', [username]);
+    
+    if (rows.length > 0) {
       return NextResponse.json({ error: '用户名已存在' }, { status: 400 });
     }
     
     const token = generateToken();
-    const newUser: User = {
-      id: crypto.randomUUID(),
-      username,
-      passwordHash: hashPassword(password),
-      token,
-      createdAt: new Date().toISOString()
-    };
-    
-    users.push(newUser);
-    await writeUsers(users);
+    await connection.query(
+      'INSERT INTO users (id, username, password_hash, token, created_at) VALUES (?, ?, ?, ?, ?)',
+      [crypto.randomUUID(), username, hashPassword(password), token, new Date()]
+    );
     
     const response = NextResponse.json({ success: true, username });
     response.cookies.set('auth_token', token, {
@@ -78,5 +50,7 @@ export async function POST(request: NextRequest) {
   } catch (error) {
     console.error('Register error:', error);
     return NextResponse.json({ error: '注册失败' }, { status: 500 });
+  } finally {
+    if (connection) connection.release();
   }
-}
+}

app/api/districts/route.ts

@@ -1,17 +1,21 @@
 import { NextResponse } from 'next/server';
-import fs from 'fs/promises';
-import path from 'path';
-
-const DATA_DIR = path.join(process.cwd(), 'data');
-const DISTRICTS_FILE = path.join(DATA_DIR, 'districts.json');
+import pool from '@/lib/db';
 
 export async function GET() {
+  let connection;
   try {
-    const data = await fs.readFile(DISTRICTS_FILE, 'utf-8');
-    const districts = JSON.parse(data);
+    connection = await pool.getConnection();
+    
+    const [rows] = await connection.query<any[]>('SELECT name FROM districts ORDER BY sort_order, id');
+    
+    const districts = rows.map((row: any) => row.name);
+    
+    connection.release();
     return NextResponse.json({ districts });
   } catch (error) {
     console.error('Get districts error:', error);
     return NextResponse.json({ districts: [] });
+  } finally {
+    if (connection) connection.release();
   }
 }

app/api/houses/[id]/route.ts

@@ -1,69 +1,41 @@
 import { NextRequest, NextResponse } from 'next/server';
-import fs from 'fs/promises';
-import path from 'path';
-
-const DATA_DIR = path.join(process.cwd(), 'data');
-const HOUSES_FILE = path.join(DATA_DIR, 'houses.json');
-const USERS_FILE = path.join(DATA_DIR, 'users.json');
-
-interface House {
-  id: string;
-  owner: string;
-  title: string;
-  description: string;
-  price: number;
-  district: string;
-  address: string;
-  phone: string;
-  images: string[];
-  createdAt: string;
-}
-
-interface User {
-  id: string;
-  username: string;
-  token: string;
-}
-
-async function readFile<T>(filePath: string, defaultValue: T): Promise<T> {
-  try {
-    const data = await fs.readFile(filePath, 'utf-8');
-    return JSON.parse(data);
-  } catch {
-    return defaultValue;
-  }
-}
-
-async function getUserFromToken(token: string): Promise<User | null> {
-  const users = await readFile<User[]>(USERS_FILE, []);
-  return users.find(u => u.token === token) || null;
-}
-
-async function readHouses(): Promise<House[]> {
-  return readFile<House[]>(HOUSES_FILE, []);
-}
-
-async function writeHouses(houses: House[]): Promise<void> {
-  await fs.writeFile(HOUSES_FILE, JSON.stringify(houses, null, 2));
-}
+import pool from '@/lib/db';
 
 export async function GET(
   request: NextRequest,
   { params }: { params: Promise<{ id: string }> }
 ) {
+  let connection;
   try {
     const { id } = await params;
-    const houses = await readHouses();
-    const house = houses.find(h => h.id === id);
+    connection = await pool.getConnection();
     
-    if (!house) {
+    const [rows] = await connection.query<any[]>('SELECT * FROM houses WHERE id = ?', [id]);
+    
+    if (rows.length === 0) {
       return NextResponse.json({ error: '房屋不存在' }, { status: 404 });
     }
     
+    const row = rows[0];
+    const house = {
+      id: row.id,
+      owner: row.owner,
+      title: row.title,
+      description: row.description,
+      price: row.price,
+      district: row.district,
+      address: row.address,
+      phone: row.phone,
+      images: row.images ? JSON.parse(row.images) : [],
+      createdAt: row.created_at
+    };
+    
     return NextResponse.json({ house });
   } catch (error) {
     console.error('Get house error:', error);
     return NextResponse.json({ error: '获取房屋信息失败' }, { status: 500 });
+  } finally {
+    if (connection) connection.release();
   }
 }
 
@@ -71,6 +43,7 @@ export async function PUT(
   request: NextRequest,
   { params }: { params: Promise<{ id: string }> }
 ) {
+  let connection;
   try {
     const token = request.cookies.get('auth_token')?.value;
     
@@ -78,43 +51,65 @@ export async function PUT(
       return NextResponse.json({ error: '请先登录' }, { status: 401 });
     }
     
-    const user = await getUserFromToken(token);
-    if (!user) {
+    const { id } = await params;
+    connection = await pool.getConnection();
+    
+    const [users] = await connection.query<any[]>('SELECT username FROM users WHERE token = ?', [token]);
+    if (users.length === 0) {
+      connection.release();
       return NextResponse.json({ error: '用户不存在' }, { status: 401 });
     }
     
-    const { id } = await params;
-    const houses = await readHouses();
-    const houseIndex = houses.findIndex(h => h.id === id);
-    
-    if (houseIndex === -1) {
+    const [houses] = await connection.query<any[]>('SELECT * FROM houses WHERE id = ?', [id]);
+    if (houses.length === 0) {
+      connection.release();
       return NextResponse.json({ error: '房屋不存在' }, { status: 404 });
     }
     
-    if (houses[houseIndex].owner !== user.username) {
+    if (houses[0].owner !== users[0].username) {
+      connection.release();
       return NextResponse.json({ error: '无权修改此房屋' }, { status: 403 });
     }
     
     const body = await request.json();
     const { title, description, price, district, address, phone, images } = body;
     
-    houses[houseIndex] = {
-      ...houses[houseIndex],
-      title: title || houses[houseIndex].title,
-      description: description ?? houses[houseIndex].description,
-      price: price !== undefined ? Number(price) : houses[houseIndex].price,
-      district: district || houses[houseIndex].district,
-      address: address || houses[houseIndex].address,
-      phone: phone || houses[houseIndex].phone,
-      images: images || houses[houseIndex].images
+    await connection.query(
+      'UPDATE houses SET title = ?, description = ?, price = ?, district = ?, address = ?, phone = ?, images = ? WHERE id = ?',
+      [
+        title || houses[0].title,
+        description ?? houses[0].description,
+        price !== undefined ? Number(price) : houses[0].price,
+        district || houses[0].district,
+        address || houses[0].address,
+        phone || houses[0].phone,
+        images ? JSON.stringify(images) : houses[0].images,
+        id
+      ]
+    );
+    
+    const [updated] = await connection.query<any[]>('SELECT * FROM houses WHERE id = ?', [id]);
+    const row = updated[0];
+    const house = {
+      id: row.id,
+      owner: row.owner,
+      title: row.title,
+      description: row.description,
+      price: row.price,
+      district: row.district,
+      address: row.address,
+      phone: row.phone,
+      images: row.images ? JSON.parse(row.images) : [],
+      createdAt: row.created_at
     };
     
-    await writeHouses(houses);
-    
-    return NextResponse.json({ success: true, house: houses[houseIndex] });
+    connection.release();
+    return NextResponse.json({ success: true, house });
   } catch (error) {
     console.error('Update house error:', error);
     return NextResponse.json({ error: '更新房屋失败' }, { status: 500 });
+  } finally {
+    if (connection) connection.release();
   }
 }
 
@@ -122,6 +117,7 @@ export async function DELETE(
   request: NextRequest,
   { params }: { params: Promise<{ id: string }> }
 ) {
+  let connection;
   try {
     const token = request.cookies.get('auth_token')?.value;
     
@@ -129,29 +125,34 @@ export async function DELETE(
       return NextResponse.json({ error: '请先登录' }, { status: 401 });
     }
     
-    const user = await getUserFromToken(token);
-    if (!user) {
+    const { id } = await params;
+    connection = await pool.getConnection();
+    
+    const [users] = await connection.query<any[]>('SELECT username FROM users WHERE token = ?', [token]);
+    if (users.length === 0) {
+      connection.release();
       return NextResponse.json({ error: '用户不存在' }, { status: 401 });
     }
     
-    const { id } = await params;
-    const houses = await readHouses();
-    const house = houses.find(h => h.id === id);
-    
-    if (!house) {
+    const [houses] = await connection.query<any[]>('SELECT * FROM houses WHERE id = ?', [id]);
+    if (houses.length === 0) {
+      connection.release();
       return NextResponse.json({ error: '房屋不存在' }, { status: 404 });
     }
     
-    if (house.owner !== user.username) {
+    if (houses[0].owner !== users[0].username) {
+      connection.release();
       return NextResponse.json({ error: '无权删除此房屋' }, { status: 403 });
     }
     
-    const newHouses = houses.filter(h => h.id !== id);
-    await writeHouses(newHouses);
+    await connection.query('DELETE FROM houses WHERE id = ?', [id]);
     
+    connection.release();
     return NextResponse.json({ success: true });
   } catch (error) {
     console.error('Delete house error:', error);
     return NextResponse.json({ error: '删除房屋失败' }, { status: 500 });
+  } finally {
+    if (connection) connection.release();
   }
-}
+}

app/api/houses/route.ts

@@ -1,84 +1,58 @@
 import { NextRequest, NextResponse } from 'next/server';
-import fs from 'fs/promises';
-import path from 'path';
 import crypto from 'crypto';
-
-const DATA_DIR = path.join(process.cwd(), 'data');
-const HOUSES_FILE = path.join(DATA_DIR, 'houses.json');
-const USERS_FILE = path.join(DATA_DIR, 'users.json');
-
-interface House {
-  id: string;
-  owner: string;
-  title: string;
-  description: string;
-  price: number;
-  district: string;
-  address: string;
-  phone: string;
-  images: string[];
-  createdAt: string;
-}
-
-interface User {
-  id: string;
-  username: string;
-  token: string;
-}
-
-async function readFile<T>(filePath: string, defaultValue: T): Promise<T> {
-  try {
-    const data = await fs.readFile(filePath, 'utf-8');
-    return JSON.parse(data);
-  } catch {
-    return defaultValue;
-  }
-}
-
-async function getUserFromToken(token: string): Promise<User | null> {
-  const users = await readFile<User[]>(USERS_FILE, []);
-  return users.find(u => u.token === token) || null;
-}
-
-async function readHouses(): Promise<House[]> {
-  return readFile<House[]>(HOUSES_FILE, []);
-}
-
-async function writeHouses(houses: House[]): Promise<void> {
-  await fs.writeFile(HOUSES_FILE, JSON.stringify(houses, null, 2));
-}
+import pool from '@/lib/db';
 
 export async function GET(request: NextRequest) {
+  let connection;
   try {
     const { searchParams } = new URL(request.url);
     const district = searchParams.get('district');
     const keyword = searchParams.get('keyword');
     
-    let houses = await readHouses();
+    connection = await pool.getConnection();
+    
+    let sql = 'SELECT * FROM houses WHERE 1=1';
+    const params: any[] = [];
     
     if (district && district !== '全部') {
-      houses = houses.filter(h => h.district === district);
+      sql += ' AND district = ?';
+      params.push(district);
     }
     
     if (keyword) {
-      const kw = keyword.toLowerCase();
-      houses = houses.filter(h => 
-        h.title.toLowerCase().includes(kw) ||
-        h.address.toLowerCase().includes(kw) ||
-        h.description.toLowerCase().includes(kw)
-      );
+      sql += ' AND (title LIKE ? OR address LIKE ? OR description LIKE ?)';
+      const kw = `%${keyword}%`;
+      params.push(kw, kw, kw);
     }
     
-    houses.sort((a, b) => new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime());
+    sql += ' ORDER BY created_at DESC';
+    
+    const [rows] = await connection.query<any[]>(sql, params);
+    
+    const houses = rows.map((row: any) => ({
+      id: row.id,
+      owner: row.owner,
+      title: row.title,
+      description: row.description,
+      price: row.price,
+      district: row.district,
+      address: row.address,
+      phone: row.phone,
+      images: row.images ? JSON.parse(row.images) : [],
+      createdAt: row.created_at
+    }));
     
     return NextResponse.json({ houses });
   } catch (error) {
     console.error('Get houses error:', error);
     return NextResponse.json({ error: '获取房屋列表失败' }, { status: 500 });
+  } finally {
+    if (connection) connection.release();
   }
 }
 
 export async function POST(request: NextRequest) {
+  let connection;
   try {
     const token = request.cookies.get('auth_token')?.value;
     
@@ -86,8 +60,11 @@ export async function POST(request: NextRequest) {
       return NextResponse.json({ error: '请先登录' }, { status: 401 });
     }
     
-    const user = await getUserFromToken(token);
-    if (!user) {
+    connection = await pool.getConnection();
+    
+    const [users] = await connection.query<any[]>('SELECT username FROM users WHERE token = ?', [token]);
+    
+    if (users.length === 0) {
       return NextResponse.json({ error: '用户不存在' }, { status: 401 });
     }
     
@@ -98,9 +75,15 @@ export async function POST(request: NextRequest) {
       return NextResponse.json({ error: '请填写完整信息' }, { status: 400 });
     }
     
-    const house: House = {
-      id: crypto.randomUUID(),
-      owner: user.username,
+    const id = crypto.randomUUID();
+    await connection.query(
+      'INSERT INTO houses (id, owner, title, description, price, district, address, phone, images, created_at) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)',
+      [id, users[0].username, title, description || '', Number(price), district, address, phone, JSON.stringify(images || []), new Date()]
+    );
+    
+    const house = {
+      id,
+      owner: users[0].username,
       title,
       description: description || '',
       price: Number(price),
@@ -108,16 +91,14 @@ export async function POST(request: NextRequest) {
       address,
       phone,
       images: images || [],
-      createdAt: new Date().toISOString()
+      createdAt: new Date()
     };
     
-    const houses = await readHouses();
-    houses.push(house);
-    await writeHouses(houses);
-    
     return NextResponse.json({ success: true, house });
   } catch (error) {
     console.error('Create house error:', error);
     return NextResponse.json({ error: '创建房屋失败' }, { status: 500 });
+  } finally {
+    if (connection) connection.release();
   }
-}
+}

app/api/owner/houses/route.ts

@@ -1,49 +1,8 @@
 import { NextRequest, NextResponse } from 'next/server';
-import fs from 'fs/promises';
-import path from 'path';
-
-const DATA_DIR = path.join(process.cwd(), 'data');
-const HOUSES_FILE = path.join(DATA_DIR, 'houses.json');
-const USERS_FILE = path.join(DATA_DIR, 'users.json');
-
-interface House {
-  id: string;
-  owner: string;
-  title: string;
-  description: string;
-  price: number;
-  district: string;
-  address: string;
-  phone: string;
-  images: string[];
-  createdAt: string;
-}
-
-interface User {
-  id: string;
-  username: string;
-  token: string;
-}
-
-async function readFile<T>(filePath: string, defaultValue: T): Promise<T> {
-  try {
-    const data = await fs.readFile(filePath, 'utf-8');
-    return JSON.parse(data);
-  } catch {
-    return defaultValue;
-  }
-}
-
-async function getUserFromToken(token: string): Promise<User | null> {
-  const users = await readFile<User[]>(USERS_FILE, []);
-  return users.find(u => u.token === token) || null;
-}
-
-async function readHouses(): Promise<House[]> {
-  return readFile<House[]>(HOUSES_FILE, []);
-}
+import pool from '@/lib/db';
 
 export async function GET(request: NextRequest) {
+  let connection;
   try {
     const token = request.cookies.get('auth_token')?.value;
     
@@ -51,19 +10,39 @@ export async function GET(request: NextRequest) {
       return NextResponse.json({ error: '请先登录' }, { status: 401 });
     }
     
-    const user = await getUserFromToken(token);
-    if (!user) {
+    connection = await pool.getConnection();
+    
+    const [users] = await connection.query<any[]>('SELECT username FROM users WHERE token = ?', [token]);
+    
+    if (users.length === 0) {
+      connection.release();
       return NextResponse.json({ error: '用户不存在' }, { status: 401 });
     }
     
-    const houses = await readHouses();
-    const myHouses = houses
-      .filter(h => h.owner === user.username)
-      .sort((a, b) => new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime());
+    const [rows] = await connection.query<any[]>(
+      'SELECT * FROM houses WHERE owner = ? ORDER BY created_at DESC',
+      [users[0].username]
+    );
     
-    return NextResponse.json({ houses: myHouses });
+    const houses = rows.map((row: any) => ({
+      id: row.id,
+      owner: row.owner,
+      title: row.title,
+      description: row.description,
+      price: row.price,
+      district: row.district,
+      address: row.address,
+      phone: row.phone,
+      images: row.images ? JSON.parse(row.images) : [],
+      createdAt: row.created_at
+    }));
+    
+    connection.release();
+    return NextResponse.json({ houses });
   } catch (error) {
     console.error('Get my houses error:', error);
     return NextResponse.json({ error: '获取房屋列表失败' }, { status: 500 });
+  } finally {
+    if (connection) connection.release();
   }
-}
+}