Agent/examples/cloud_browser_example.py

"""
云浏览器模式示例
Cloud Browser Mode Example

本示例展示如何使用 browser-use 的云浏览器模式进行网页自动化操作。
云浏览器模式的优势：
1. 无需本地安装 Chrome/Chromium
2. 可以在无头服务器上运行
3. 更好的稳定性和性能
4. 支持分布式部署

使用前提：
1. 在 .env 文件中配置 BROWSER_USE_API_KEY
2. 确保网络连接正常
"""

import sys
import os
import asyncio
import json
import re
from datetime import datetime
from pathlib import Path
from urllib.parse import quote
from dotenv import load_dotenv

# 加载环境变量
load_dotenv()

# 将项目根目录添加到 Python 路径
project_root = Path(__file__).parent.parent
sys.path.insert(0, str(project_root))

# 导入 browser-use 核心类
from browser_use import BrowserSession, BrowserProfile
from browser_use.tools.service import Tools

# 导入框架的工具函数
from agent.tools.builtin.baseClass import (
    init_browser_session,
    cleanup_browser_session,
    navigate_to_url,
    search_web,
    get_selector_map,
    click_element,
    input_text,
    screenshot,
    get_page_html,
    evaluate,
    wait,
    scroll_page,
    wait_for_user_action,
)


async def example_1_basic_navigation():
    """
    示例 1: 基础导航操作
    演示如何使用云浏览器访问网页
    """
    print("\n" + "="*60)
    print("示例 1: 基础导航操作")
    print("="*60)

    try:
        # 初始化云浏览器会话
        # 关键参数：is_local=False 表示使用云浏览器
        api_key = os.getenv("BROWSER_USE_API_KEY")
        if not api_key:
            print("❌ 错误: 未找到 BROWSER_USE_API_KEY，请在 .env 文件中配置")
            return

        print(f"✅ 使用云浏览器 API Key: {api_key[:20]}...")

        # 初始化浏览器会话（云模式）
        # 注意：API key 会自动从环境变量 BROWSER_USE_API_KEY 读取
        browser, tools = await init_browser_session(
            headless=True,  # 云浏览器通常使用无头模式
            use_cloud=True,  # 关键：设置为 True 使用云浏览器
        )

        print("✅ 云浏览器会话已启动")

        # 导航到百度
        print("\n📍 导航到百度...")
        result = await navigate_to_url("https://www.baidu.com")
        print(f"   结果: {result.title}")

        # 等待页面加载
        await wait(2)

        # 获取页面标题
        print("\n📄 获取页面信息...")
        title_result = await evaluate("document.title")
        print(f"   页面标题: {title_result.output}")

        # 截图
        print("\n📸 截图...")
        screenshot_result = await screenshot()
        print(f"   截图结果: {screenshot_result.title}")

        print("\n✅ 示例 1 完成")

    except Exception as e:
        print(f"❌ 错误: {str(e)}")
    finally:
        # 清理浏览器会话
        await cleanup_browser_session()
        print("🧹 浏览器会话已清理")


async def example_2_search_and_extract():
    """
    示例 2: 搜索和内容提取
    演示如何使用云浏览器进行搜索并提取内容
    """
    print("\n" + "="*60)
    print("示例 2: 搜索和内容提取")
    print("="*60)

    try:
        # 初始化云浏览器
        api_key = os.getenv("BROWSER_USE_API_KEY")
        if not api_key:
            print("❌ 错误: 未找到 BROWSER_USE_API_KEY")
            return

        browser, tools = await init_browser_session(
            headless=True,
            use_cloud=True,
        )

        print("✅ 云浏览器会话已启动")

        # 使用搜索引擎搜索
        print("\n🔍 搜索: Python async programming...")
        result = await search_web("Python async programming", engine="google")
        print(f"   搜索结果: {result.title}")

        # 等待搜索结果加载
        await wait(3)

        # 获取页面 HTML（部分）
        print("\n📄 获取页面 HTML...")
        html_result = await get_page_html()
        print(f"   HTML 长度: {len(html_result.metadata.get('html', ''))} 字符")

        # 获取可交互元素
        print("\n🎯 获取页面元素...")
        selector_result = await get_selector_map()
        print(f"   {selector_result.output[:200]}...")

        print("\n✅ 示例 2 完成")

    except Exception as e:
        print(f"❌ 错误: {str(e)}")
    finally:
        await cleanup_browser_session()
        print("🧹 浏览器会话已清理")


async def example_3_with_browser_profile():
    """
    示例 3: 使用 BrowserProfile 预设配置
    演示如何使用 BrowserProfile 预设 cookies、localStorage 等
    """
    print("\n" + "="*60)
    print("示例 3: 使用 BrowserProfile 预设配置")
    print("="*60)

    try:
        api_key = os.getenv("BROWSER_USE_API_KEY")
        if not api_key:
            print("❌ 错误: 未找到 BROWSER_USE_API_KEY")
            return

        # 创建 BrowserProfile 并预设一些配置
        profile = BrowserProfile(
            # 可以预设 cookies
            cookies=[
                {
                    "name": "test_cookie",
                    "value": "test_value",
                    "domain": ".example.com",
                    "path": "/",
                }
            ],
            # 可以预设 localStorage
            local_storage={
                "example.com": {
                    "key1": "value1",
                    "key2": "value2",
                }
            },
            # 可以设置用户代理
            user_agent="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36",
        )

        print("✅ 创建了 BrowserProfile 配置")

        # 使用 profile 初始化浏览器
        browser, tools = await init_browser_session(
            headless=True,
            use_cloud=True,
            browser_profile=profile,  # 传入 profile
        )

        print("✅ 云浏览器会话已启动（带预设配置）")

        # 访问一个网页
        print("\n📍 导航到示例网站...")
        result = await navigate_to_url("https://httpbin.org/headers")
        print(f"   结果: {result.title}")

        await wait(2)

        # 检查 User-Agent 是否生效
        print("\n🔍 检查 User-Agent...")
        ua_result = await evaluate("navigator.userAgent")
        print(f"   User-Agent: {ua_result.output[:100]}...")

        print("\n✅ 示例 3 完成")

    except Exception as e:
        print(f"❌ 错误: {str(e)}")
    finally:
        await cleanup_browser_session()
        print("🧹 浏览器会话已清理")


async def example_4_form_interaction():
    """
    示例 4: 表单交互
    演示如何在云浏览器中进行表单填写和提交
    """
    print("\n" + "="*60)
    print("示例 4: 表单交互")
    print("="*60)

    try:
        api_key = os.getenv("BROWSER_USE_API_KEY")
        if not api_key:
            print("❌ 错误: 未找到 BROWSER_USE_API_KEY")
            return

        browser, tools = await init_browser_session(
            headless=True,
            use_cloud=True,
        )

        print("✅ 云浏览器会话已启动")

        # 访问一个有表单的测试页面
        print("\n📍 导航到表单测试页面...")
        result = await navigate_to_url("https://httpbin.org/forms/post")
        print(f"   结果: {result.title}")

        await wait(2)

        # 获取页面元素
        print("\n🎯 获取页面元素...")
        selector_result = await get_selector_map()
        print(f"   找到 {selector_result.long_term_memory}")

        # 注意：实际使用时需要根据页面结构找到正确的元素索引
        # 这里只是演示流程

        print("\n✅ 示例 4 完成")

    except Exception as e:
        print(f"❌ 错误: {str(e)}")
    finally:
        await cleanup_browser_session()
        print("🧹 浏览器会话已清理")


async def example_5_multi_tab():
    """
    示例 5: 多标签页操作
    演示如何在云浏览器中管理多个标签页
    """
    print("\n" + "="*60)
    print("示例 5: 多标签页操作")
    print("="*60)

    try:
        api_key = os.getenv("BROWSER_USE_API_KEY")
        if not api_key:
            print("❌ 错误: 未找到 BROWSER_USE_API_KEY")
            return

        browser, tools = await init_browser_session(
            headless=True,
            use_cloud=True,
        )

        print("✅ 云浏览器会话已启动")

        # 在第一个标签页打开百度
        print("\n📍 标签页 1: 打开百度...")
        result1 = await navigate_to_url("https://www.baidu.com")
        print(f"   结果: {result1.title}")

        await wait(2)

        # 在新标签页打开谷歌
        print("\n📍 标签页 2: 打开谷歌（新标签页）...")
        result2 = await navigate_to_url("https://www.google.com", new_tab=True)
        print(f"   结果: {result2.title}")

        await wait(2)

        # 获取当前页面信息
        print("\n📄 当前页面信息...")
        title_result = await evaluate("document.title")
        print(f"   当前标题: {title_result.output}")

        print("\n✅ 示例 5 完成")

    except Exception as e:
        print(f"❌ 错误: {str(e)}")
    finally:
        await cleanup_browser_session()
        print("🧹 浏览器会话已清理")

 
def load_cookies(cookie_str, domain, url=None):
    cookies = []
    try:
        for cookie_part in cookie_str.split(';'):
            if  cookie_part:
                name, value = cookie_part.split('=', 1)
                cookie = {"name": str(name).strip(), "value": str(value).strip(), "domain": domain,
                    "path":"/",
                    "expires":-1,
                    "httpOnly": False,
                    "secure": True,
                    "sameSite":"None"}
                if url:
                    cookie["url"] = url
                cookies.append(cookie)
    except:
       pass
    return cookies

async def example_6_xhs_search_save():
    """
    示例 6: 小红书搜索并保存结果（带登录）
    演示如何处理需要登录的网站
    """
    print("\n" + "="*60)
    print("示例 6: 小红书搜索并保存结果（带登录）")
    print("="*60)

    try:
        api_key = os.getenv("BROWSER_USE_API_KEY")
        if not api_key:
            print("❌ 错误: 未找到 BROWSER_USE_API_KEY")
            return

        # 创建 BrowserProfile
       
        cookiesStr = "gid=yjJiiqSqKKf8yjJiiqSJiWMKyJvfq2vIJxYDh4EfAyCW9Sq89uUhxI888y4JW8y8WJS448Kj; a1=19a5821e25frfgqcz1g48ktmjilzla6dvt8saird230000337474; webId=bf5a89012d3e96b8e8317a9158d2237b; abRequestId=bf5a89012d3e96b8e8317a9158d2237b; x-user-id-pgy.xiaohongshu.com=64cb5fa2000000002b00a903; x-user-id-ad.xiaohongshu.com=67078bac000000001d022a25; x-user-id-mcc.xiaohongshu.com=67078bac000000001d022a25; web_session=040069b5bf1ceafef95542ee0a3b4b114d9a59; x-user-id-pro.xiaohongshu.com=67078bac000000001d022a25; x-user-id-creator.xiaohongshu.com=64cb5fa2000000002b00a903; webBuild=5.8.0; unread={%22ub%22:%226972cc62000000001a032ef0%22%2C%22ue%22:%226978c695000000001a030baf%22%2C%22uc%22:25}; acw_tc=0a0d0d6817697823078311273e2749a170e3d6e7c28bc3c6b3df1b05366b21; xsecappid=ugc; websectiga=f47eda31ec99545da40c2f731f0630efd2b0959e1dd10d5fedac3dce0bd1e04d; sec_poison_id=8f37e824-4cf9-4c1a-8a6b-1297a36d51ba; customer-sso-sid=68c517601157138359418885nha1gpvvujwqbhia; customerClientId=609975161834570; access-token-creator.xiaohongshu.com=customer.creator.AT-68c517601157138359418887mosxcziw5qwkllrs; galaxy_creator_session_id=NIUNVxmv6LPmZ31jZ2DoKYgyUutPOItjJ24t; galaxy.creator.beaker.session.id=1769782309631057230248; loadts=1769782310288"
        
        cookie_url = "https://www.xiaohongshu.com"
        cookies = load_cookies(cookiesStr, ".xiaohongshu.com", cookie_url)

        profile = BrowserProfile(
            user_agent="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36",
        )

        # 初始化云浏览器（非无头模式，方便用户看到登录界面）
        browser, tools = await init_browser_session(
            headless=False,  # 设置为 False，方便用户看到浏览器界面
            use_cloud=True,
            browser_profile=profile,
        )

        print("✅ 云浏览器会话已启动")
        print("📝 提示: 云浏览器启动时会输出 Live URL，你可以在浏览器中打开查看")

        # 步骤 1: 先访问小红书首页，检查是否需要登录
        print("\n📍 步骤 1: 访问小红书首页...")
        await navigate_to_url("https://www.xiaohongshu.com")
        await wait(3)
        await browser._cdp_set_cookies(cookies)
        await wait(1)
        await navigate_to_url("https://www.xiaohongshu.com")
        await wait(3)

        # 检查是否需要登录
        print("\n🔍 检查登录状态...")
        check_login_js = """
        (function() {
            // 检查是否有登录按钮或登录相关元素
            const loginBtn = document.querySelector('[class*="login"]') ||
                           document.querySelector('[href*="login"]') ||
                           Array.from(document.querySelectorAll('button, a')).find(el => (el.textContent || '').includes('登录'));

            // 检查是否有用户信息（已登录）
            const userInfo = document.querySelector('[class*="user"]') ||
                           document.querySelector('[class*="avatar"]');

            return {
                needLogin: !!loginBtn && !userInfo,
                hasLoginBtn: !!loginBtn,
                hasUserInfo: !!userInfo
            };
        })()
        """

        login_status = await evaluate(check_login_js)
        print(f"   登录状态检查: {login_status.output}")
        status_output = login_status.output
        if isinstance(status_output, str) and status_output.startswith("Result: "):
            status_output = status_output[8:]
        login_info = None
        if isinstance(status_output, str):
            try:
                login_info = json.loads(status_output)
            except Exception:
                login_info = None
        elif isinstance(status_output, dict):
            login_info = status_output

        if login_info and login_info.get("needLogin"):
            print("\n👤 步骤 2: 登录处理...")
            print("   如果小红书需要登录，请在云浏览器中完成以下操作：")
            print("   1. 打开上面输出的 Live URL（在日志中查找 '🔗 Live URL'）")
            print("   2. 在 Live URL 页面中完成登录（扫码或账号密码）")
            print("   3. 登录成功后，回到这里按 Enter 继续")
            await wait_for_user_action(
                message="请在云浏览器中完成小红书登录，完成后按 Enter 继续",
                timeout=300
            )
            print("\n✅ 用户已确认登录完成，继续执行...")
        else:
            print("\n✅ 已检测为登录状态，跳过手动登录")

        # 步骤 3: 执行搜索
        keyword = "瑜伽美女"
        search_url = f"https://www.xiaohongshu.com/search_result?keyword={quote(keyword)}&type=51"
        print(f"\n📍 步骤 3: 导航到搜索页: {keyword} ...")
        await navigate_to_url(search_url)
        await wait(6)

        # 滚动页面加载更多内容
        print("\n📜 滚动页面加载更多内容...")
        for i in range(3):
            print(f"   滚动 {i+1}/3...")
            await scroll_page(down=True, pages=2.0)
            await wait(2)

        # 步骤 4: 提取数据
        print("\n📊 步骤 4: 提取搜索结果...")
        extract_js = """
        (function(){
            const maxCount = 20;
            const seen = new Set();
            const results = [];

            function pushItem(item){
                if (!item || !item.link || seen.has(item.link)) return;
                seen.add(item.link);
                results.push(item);
            }

            // 方法 1: 从 DOM 中提取
            const anchors = document.querySelectorAll('a[href*="/explore/"]');
            anchors.forEach(a => {
                if (results.length >= maxCount) return;
                const link = a.href || '';
                const img = a.querySelector('img');
                const title = ((img && img.alt) || a.textContent || '').trim();
                const cover = (img && img.src) || '';
                if (link && title) {
                    pushItem({ title, link, cover });
                }
            });

            // 方法 2: 从 JSON 数据中提取
            const scriptNodes = document.querySelectorAll('script[type="application/json"], script#__NEXT_DATA__, script#__NUXT__');
            const walk = (node) => {
                if (!node || results.length >= maxCount) return;
                if (Array.isArray(node)) {
                    for (const item of node) {
                        walk(item);
                        if (results.length >= maxCount) return;
                    }
                    return;
                }
                if (typeof node === 'object') {
                    const title = (node.title || node.desc || node.name || node.noteTitle || '').toString().trim();
                    const id = node.noteId || node.note_id || node.id || node.noteID;
                    const cover = (node.cover && (node.cover.url || node.cover.urlDefault)) || node.coverUrl || node.image || '';
                    let link = '';
                    if (id) {
                        link = `https://www.xiaohongshu.com/explore/${id}`;
                    }
                    if (title && link) {
                        pushItem({ title, link, cover });
                    }
                    for (const key in node) {
                        if (typeof node[key] === 'object') walk(node[key]);
                    }
                }
            };

            scriptNodes.forEach(node => {
                if (results.length >= maxCount) return;
                const text = node.textContent || '';
                if (!text) return;
                try {
                    const data = JSON.parse(text);
                    walk(data);
                } catch (e) {}
            });

            return {
                success: true,
                keyword: '瑜伽美女',
                count: results.length,
                results: results,
                timestamp: new Date().toISOString(),
            };
        })()
        """

        async def run_extract():
            result = await evaluate(extract_js)
            output = result.output
            if isinstance(output, str) and output.startswith("Result: "):
                output = output[8:]

            try:
                data = json.loads(output)
            except Exception:
                data = {
                    "success": False,
                    "keyword": keyword,
                    "error": "JSON 解析失败",
                    "raw_output": str(output)[:2000],
                    "timestamp": datetime.now().isoformat(),
                }

            if isinstance(data, dict) and data.get("count", 0) == 0:
                print("   JS 提取结果为空，尝试从 HTML 中提取...")
                html_result = await get_page_html()
                html = html_result.metadata.get("html", "")
                if html:
                    def decode_text(value: str) -> str:
                        try:
                            return bytes(value, "utf-8").decode("unicode_escape")
                        except Exception:
                            return value

                    results = []
                    seen = set()
                    pattern = re.compile(r'"noteId":"(.*?)".*?"title":"(.*?)"', re.S)
                    for match in pattern.finditer(html):
                        note_id = match.group(1)
                        title = decode_text(match.group(2)).strip()
                        link = f"https://www.xiaohongshu.com/explore/{note_id}"
                        if note_id and link not in seen and title:
                            seen.add(link)
                            results.append({"title": title, "link": link})
                        if len(results) >= 20:
                            break

                    if results:
                        data = {
                            "success": True,
                            "keyword": keyword,
                            "count": len(results),
                            "results": results,
                            "timestamp": datetime.now().isoformat(),
                            "source": "html_fallback",
                        }
                    else:
                        blocked_markers = ["登录", "验证", "验证码", "请先登录", "异常访问"]
                        if any(marker in html for marker in blocked_markers):
                            data = {
                                "success": False,
                                "keyword": keyword,
                                "count": 0,
                                "results": [],
                                "error": "可能被登录或验证码拦截",
                                "timestamp": datetime.now().isoformat(),
                            }
            return data

        data = await run_extract()
        if isinstance(data, dict) and data.get("count", 0) == 0 and data.get("error") == "可能被登录或验证码拦截":
            print("\n👤 检测到拦截，请在云浏览器中完成登录或验证码验证")
            await wait_for_user_action(
                message="完成后按 Enter 继续，将重新提取搜索结果",
                timeout=300
            )
            data = await run_extract()

        # 步骤 5: 保存结果
        print(f"\n💾 步骤 5: 保存结果...")
        print(f"   提取到 {data.get('count', 0)} 条数据")

        output_dir = Path(__file__).parent.parent / "output"
        output_dir.mkdir(parents=True, exist_ok=True)
        output_path = output_dir / "xhs.json"
        with open(output_path, "w", encoding="utf-8") as f:
            json.dump(data, f, ensure_ascii=False, indent=2)

        print(f"✅ 数据已保存到: {output_path}")

        # 显示部分结果
        if data.get("results"):
            print(f"\n📋 前 3 条结果预览:")
            for i, item in enumerate(data["results"][:3], 1):
                print(f"   {i}. {item.get('title', 'N/A')[:50]}")
                print(f"      {item.get('link', 'N/A')}")

        print("\n✅ 示例 6 完成")

    except Exception as e:
        print(f"❌ 错误: {str(e)}")
        import traceback
        traceback.print_exc()
    finally:
        await cleanup_browser_session()
        print("🧹 浏览器会话已清理")


async def example_7_baidu_search_save():
    print("\n" + "="*60)
    print("示例 7: 百度搜索并保存结果")
    print("="*60)

    try:
        api_key = os.getenv("BROWSER_USE_API_KEY")
        if not api_key:
            print("❌ 错误: 未找到 BROWSER_USE_API_KEY")
            return

        await init_browser_session(
            headless=True,
            use_cloud=True,
        )

        print("✅ 云浏览器会话已启动")

        keyword = "瑜伽美女"
        search_url = f"https://www.baidu.com/s?wd={quote(keyword)}"
        print(f"\n📍 导航到百度搜索页: {keyword} ...")
        await navigate_to_url(search_url)
        await wait(3)
        await scroll_page(down=True, pages=1.5)
        await wait(2)

        extract_js = """
        (function(){
            const results = [];
            const items = document.querySelectorAll('#content_left > div[class*="result"]');
            items.forEach((item, index) => {
                if (index >= 10) return;
                const titleEl = item.querySelector('h3 a, .t a');
                const title = titleEl ? titleEl.textContent.trim() : '';
                const link = titleEl ? titleEl.href : '';
                const summaryEl = item.querySelector('.c-abstract, .content-right_8Zs40');
                const summary = summaryEl ? summaryEl.textContent.trim() : '';
                const sourceEl = item.querySelector('.c-color-gray, .source_1Vdff');
                const source = sourceEl ? sourceEl.textContent.trim() : '';
                if (title || link) {
                    results.push({
                        index: index + 1,
                        title,
                        link,
                        summary: summary.substring(0, 200),
                        source,
                    });
                }
            });
            return {
                success: true,
                keyword: '瑜伽美女',
                count: results.length,
                results,
                timestamp: new Date().toISOString(),
            };
        })()
        """

        result = await evaluate(extract_js)
        output = result.output
        if isinstance(output, str) and output.startswith("Result: "):
            output = output[8:]

        try:
            data = json.loads(output)
        except Exception:
            data = {
                "success": False,
                "keyword": keyword,
                "error": "JSON 解析失败",
                "raw_output": str(output)[:2000],
                "timestamp": datetime.now().isoformat(),
            }

        output_dir = Path(__file__).parent.parent / "output"
        output_dir.mkdir(parents=True, exist_ok=True)
        output_path = output_dir / "baidu.json"
        with open(output_path, "w", encoding="utf-8") as f:
            json.dump(data, f, ensure_ascii=False, indent=2)

        print(f"✅ 数据已保存到: {output_path}")
        if data.get("results"):
            print("\n📋 前 3 条结果预览:")
            for i, item in enumerate(data["results"][:3], 1):
                print(f"   {i}. {item.get('title', 'N/A')[:50]}")
                print(f"      {item.get('link', 'N/A')}")

        print("\n✅ 示例 7 完成")

    except Exception as e:
        print(f"❌ 错误: {str(e)}")
    finally:
        await cleanup_browser_session()
        print("🧹 浏览器会话已清理")


async def main():
    """
    主函数：运行所有示例
    """
    import argparse

    print("\n" + "="*60)
    print("🌐 Browser-Use 云浏览器模式示例")
    print("="*60)

    # 检查 API Key
    api_key = os.getenv("BROWSER_USE_API_KEY")
    if not api_key:
        print("\n❌ 错误: 未找到 BROWSER_USE_API_KEY")
        print("请在 .env 文件中配置 BROWSER_USE_API_KEY")
        return

    print(f"\n✅ 已加载 API Key: {api_key[:20]}...")

    # 运行示例（可以选择运行哪些示例）
    examples = [
        ("基础导航操作", example_1_basic_navigation),
        ("搜索和内容提取", example_2_search_and_extract),
        ("使用 BrowserProfile", example_3_with_browser_profile),
        ("表单交互", example_4_form_interaction),
        ("多标签页操作", example_5_multi_tab),
        ("小红书搜索并保存结果", example_6_xhs_search_save),
        ("百度搜索并保存结果", example_7_baidu_search_save),
    ]

    # 解析命令行参数
    parser = argparse.ArgumentParser(description="Browser-Use 云浏览器模式示例")
    parser.add_argument(
        "--example",
        type=int,
        choices=range(1, len(examples) + 1),
        help="选择要运行的示例 (1-7)，不指定则运行第一个示例"
    )
    parser.add_argument(
        "--all",
        action="store_true",
        help="运行所有示例"
    )
    args = parser.parse_args()

    print("\n可用示例:")
    for i, (name, _) in enumerate(examples, 1):
        print(f"  {i}. {name}")

    if args.all:
        # 运行所有示例
        print("\n运行所有示例...")
        for name, func in examples:
            await func()
            print("\n" + "-"*60)
    elif args.example:
        # 运行指定示例
        name, func = examples[args.example - 1]
        print(f"\n运行示例 {args.example}: {name}")
        await func()
    else:
        # 默认运行第一个示例
        name, func = examples[0]
        print(f"\n运行默认示例: {name}")
        print("(使用 --example N 运行其他示例，或 --all 运行所有示例)")
        await func()

    print("\n" + "="*60)
    print("✅ 示例运行完成")
    print("="*60)


if __name__ == "__main__":
    # 运行主函数
    asyncio.run(main())