{"id":1087143,"date":"2025-01-08T13:32:23","date_gmt":"2025-01-08T05:32:23","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1087143.html"},"modified":"2025-01-08T13:32:25","modified_gmt":"2025-01-08T05:32:25","slug":"%e5%a6%82%e4%bd%95%e7%94%a8python%e7%88%ac%e5%8f%96%e4%b8%8a%e8%af%81%e6%8c%87%e6%95%b0-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1087143.html","title":{"rendered":"\u5982\u4f55\u7528python\u722c\u53d6\u4e0a\u8bc1\u6307\u6570"},"content":{"rendered":"

\"\u5982\u4f55\u7528python\u722c\u53d6\u4e0a\u8bc1\u6307\u6570\"<\/p>\n

\u4e00\u3001\u4f7f\u7528Python\u722c\u53d6\u4e0a\u8bc1\u6307\u6570\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528requests\u5e93\u3001\u4f7f\u7528BeautifulSoup\u5e93\u8fdb\u884c\u89e3\u6790\u3001\u4f7f\u7528Selenium\u6a21\u62df\u6d4f\u89c8\u5668\u64cd\u4f5c\u7b49\u3002<\/strong><\/p>\n<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u4f7f\u7528requests\u5e93\u7684\u65b9\u6cd5\u3002requests\u5e93\u7b80\u5355\u6613\u7528\u3001\u9002\u5408\u521d\u5b66\u8005\u3001\u53ef\u4ee5\u5feb\u901f\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\u3002<\/strong><\/p>\n<\/p>\n

\u4f7f\u7528requests\u5e93\u722c\u53d6\u4e0a\u8bc1\u6307\u6570<\/h3>\n<\/p>\n

requests\u662fPython\u4e2d\u4e00\u4e2a\u5f3a\u5927\u7684HTTP\u5e93\uff0c\u53ef\u4ee5\u975e\u5e38\u65b9\u4fbf\u5730\u53d1\u9001HTTP\u8bf7\u6c42\uff0c\u4ece\u800c\u83b7\u53d6\u7f51\u9875\u7684\u5185\u5bb9\u3002<\/p>\n<\/p>\n

\u5b89\u88c5requests\u5e93<\/h4>\n<\/p>\n

\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5requests\u5e93\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5\u5b83\uff1a<\/p>\n<\/p>\n

pip install requests<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u53d1\u9001HTTP\u8bf7\u6c42<\/h4>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u53d1\u9001\u4e00\u4e2aHTTP\u8bf7\u6c42\u6765\u83b7\u53d6\u7f51\u9875\u7684\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
import requests<\/p>\n
url = 'http:\/\/www.sse.com.cn\/market\/stockdata\/overview\/'<\/p>\n
response = requests.get(url)<\/p>\n
print(response.text)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e0a\u9762\u7684\u4ee3\u7801\u53d1\u9001\u4e86\u4e00\u4e2aGET\u8bf7\u6c42\uff0c\u5e76\u6253\u5370\u4e86\u7f51\u9875\u7684HTML\u5185\u5bb9\u3002<\/p>\n<\/p>\n
\u89e3\u6790\u7f51\u9875\u5185\u5bb9<\/h4>\n<\/p>\n
\u5728\u83b7\u53d6\u5230\u7f51\u9875\u5185\u5bb9\u540e\uff0c\u6211\u4eec\u9700\u8981\u89e3\u6790\u8fd9\u4e9b\u5185\u5bb9\u4ee5\u63d0\u53d6\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e\u3002\u53ef\u4ee5\u4f7f\u7528BeautifulSoup\u5e93\u6765\u89e3\u6790HTML\u5185\u5bb9\u3002<\/p>\n<\/p>\n
\u4f7f\u7528BeautifulSoup\u5e93\u89e3\u6790\u7f51\u9875\u5185\u5bb9<\/h3>\n<\/p>\n
BeautifulSoup\u662f\u4e00\u4e2a\u7528\u4e8e\u89e3\u6790HTML\u548cXML\u6587\u6863\u7684Python\u5e93\u3002\u5b83\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u65b9\u4fbf\u5730\u4eceHTML\u6587\u6863\u4e2d\u63d0\u53d6\u6570\u636e\u3002<\/p>\n<\/p>\n
\u5b89\u88c5BeautifulSoup\u5e93<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5BeautifulSoup\u5e93\uff1a<\/p>\n<\/p>\n
pip install beautifulsoup4<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u89e3\u6790HTML\u5185\u5bb9<\/h4>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528BeautifulSoup\u5e93\u89e3\u6790HTML\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
import requests<\/p>\n
from bs4 import BeautifulSoup<\/p>\n
url = 'http:\/\/www.sse.com.cn\/market\/stockdata\/overview\/'<\/p>\n
response = requests.get(url)<\/p>\n
soup = BeautifulSoup(response.text, 'html.parser')<\/p>\n
\u67e5\u627e\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e<\/strong><\/h2>\n
shanghAI<\/a>_index = soup.find('div', {'class': 'index-data'}).get_text()<\/p>\n
print(shanghai_index)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528BeautifulSoup\u5e93\u89e3\u6790\u4e86\u7f51\u9875\u7684HTML\u5185\u5bb9\uff0c\u5e76\u67e5\u627e\u4e86\u5305\u542b\u4e0a\u8bc1\u6307\u6570\u6570\u636e\u7684HTML\u5143\u7d20\u3002<\/p>\n<\/p>\n
\u4f7f\u7528Selenium\u6a21\u62df\u6d4f\u89c8\u5668\u64cd\u4f5c<\/h3>\n<\/p>\n
\u6709\u65f6\u5019\uff0c\u4f7f\u7528requests\u5e93\u65e0\u6cd5\u83b7\u53d6\u5230\u6240\u9700\u7684\u6570\u636e\uff0c\u56e0\u4e3a\u6709\u4e9b\u6570\u636e\u662f\u901a\u8fc7JavaScript\u52a8\u6001\u52a0\u8f7d\u7684\u3002\u6b64\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Selenium\u5e93\u6765\u6a21\u62df\u6d4f\u89c8\u5668\u64cd\u4f5c\uff0c\u4ece\u800c\u83b7\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
\u5b89\u88c5Selenium\u5e93<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5Selenium\u5e93\uff1a<\/p>\n<\/p>\n
pip install selenium<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5b89\u88c5\u6d4f\u89c8\u5668\u9a71\u52a8<\/h4>\n<\/p>\n
Selenium\u9700\u8981\u4e00\u4e2a\u6d4f\u89c8\u5668\u9a71\u52a8\u6765\u63a7\u5236\u6d4f\u89c8\u5668\u3002\u4ee5\u4e0b\u662fChrome\u6d4f\u89c8\u5668\u9a71\u52a8\u7684\u5b89\u88c5\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n
    \n
  1. \u4e0b\u8f7dChrome\u6d4f\u89c8\u5668\u9a71\u52a8\uff1ahttp:\/\/chromedriver.chromium.org\/<\/a><\/li>\n
  2. \u5c06\u4e0b\u8f7d\u7684\u9a71\u52a8\u7a0b\u5e8f\u89e3\u538b\u5230\u67d0\u4e2a\u76ee\u5f55\u4e0b\uff0c\u5e76\u5c06\u8be5\u76ee\u5f55\u6dfb\u52a0\u5230\u7cfb\u7edf\u7684PATH\u73af\u5883\u53d8\u91cf\u4e2d\u3002<\/li>\n<\/ol>\n
    \u4f7f\u7528Selenium\u83b7\u53d6\u7f51\u9875\u5185\u5bb9<\/h4>\n<\/p>\n
    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Selenium\u83b7\u53d6\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e\uff1a<\/p>\n<\/p>\n
    from selenium import webdriver<\/p>\n
    url = 'http:\/\/www.sse.com.cn\/market\/stockdata\/overview\/'<\/p>\n
    \u521b\u5efa\u4e00\u4e2aChrome\u6d4f\u89c8\u5668\u5b9e\u4f8b<\/strong><\/h2>\n
    driver = webdriver.Chrome()<\/p>\n
    \u6253\u5f00\u7f51\u9875<\/strong><\/h2>\n
    driver.get(url)<\/p>\n
    \u67e5\u627e\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e<\/strong><\/h2>\n
    shanghai_index = driver.find_element_by_class_name('index-data').text<\/p>\n
    print(shanghai_index)<\/p>\n
    \u5173\u95ed\u6d4f\u89c8\u5668<\/strong><\/h2>\n
    driver.quit()<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Selenium\u5e93\u521b\u5efa\u4e86\u4e00\u4e2aChrome\u6d4f\u89c8\u5668\u5b9e\u4f8b\uff0c\u6253\u5f00\u4e86\u6307\u5b9a\u7684\u7f51\u9875\uff0c\u5e76\u67e5\u627e\u4e86\u5305\u542b\u4e0a\u8bc1\u6307\u6570\u6570\u636e\u7684HTML\u5143\u7d20\u3002<\/p>\n<\/p>\n
    \u7efc\u5408\u8fd0\u7528<\/h3>\n<\/p>\n
    \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u7ed3\u5408\u4f7f\u7528requests\u5e93\u3001BeautifulSoup\u5e93\u548cSelenium\u5e93\uff0c\u7075\u6d3b\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u722c\u53d6\u6570\u636e\u3002<\/p>\n<\/p>\n
    \u5b8c\u6574\u793a\u4f8b<\/h4>\n<\/p>\n
    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u7efc\u5408\u4f7f\u7528requests\u5e93\u548cBeautifulSoup\u5e93\u6765\u722c\u53d6\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e\uff1a<\/p>\n<\/p>\n
    import requests<\/p>\n
    from bs4 import BeautifulSoup<\/p>\n
    def get_shanghai_index():<\/p>\n
        url = 'http:\/\/www.sse.com.cn\/market\/stockdata\/overview\/'<\/p>\n
        response = requests.get(url)<\/p>\n
        soup = BeautifulSoup(response.text, 'html.parser')<\/p>\n
        # \u67e5\u627e\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e<\/p>\n
        shanghai_index = soup.find('div', {'class': 'index-data'}).get_text()<\/p>\n
        return shanghai_index<\/p>\n
    if __name__ == '__main__':<\/p>\n
        shanghai_index = get_shanghai_index()<\/p>\n
        print(f'\u4e0a\u8bc1\u6307\u6570\uff1a{shanghai_index}')<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570get_shanghai_index<\/code>\uff0c\u7528\u4e8e\u83b7\u53d6\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e\uff0c\u5e76\u5728\u4e3b\u7a0b\u5e8f\u4e2d\u8c03\u7528\u8be5\u51fd\u6570\u4ee5\u6253\u5370\u4e0a\u8bc1\u6307\u6570\u3002<\/p>\n<\/p>\n
    \u5904\u7406\u52a8\u6001\u52a0\u8f7d\u6570\u636e<\/h3>\n<\/p>\n
    \u6709\u65f6\u5019\uff0c\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e\u662f\u901a\u8fc7JavaScript\u52a8\u6001\u52a0\u8f7d\u7684\uff0c\u6b64\u65f6\u6211\u4eec\u9700\u8981\u4f7f\u7528Selenium\u5e93\u6765\u5904\u7406\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Selenium\u83b7\u53d6\u52a8\u6001\u52a0\u8f7d\u7684\u6570\u636e\uff1a<\/p>\n<\/p>\n
    from selenium import webdriver<\/p>\n
    from selenium.webdriver.common.by import By<\/p>\n
    from selenium.webdriver.support.ui import WebDriverWait<\/p>\n
    from selenium.webdriver.support import expected_conditions as EC<\/p>\n
    def get_shanghai_index():<\/p>\n
        url = 'http:\/\/www.sse.com.cn\/market\/stockdata\/overview\/'<\/p>\n
        # \u521b\u5efa\u4e00\u4e2aChrome\u6d4f\u89c8\u5668\u5b9e\u4f8b<\/p>\n
        driver = webdriver.Chrome()<\/p>\n
        try:<\/p>\n
            # \u6253\u5f00\u7f51\u9875<\/p>\n
            driver.get(url)<\/p>\n
            # \u7b49\u5f85\u4e0a\u8bc1\u6307\u6570\u6570\u636e\u52a0\u8f7d<\/p>\n
            shanghai_index = WebDriverWait(driver, 10).until(<\/p>\n
                EC.presence_of_element_located((By.CLASS_NAME, 'index-data'))<\/p>\n
            ).text<\/p>\n
        finally:<\/p>\n
            # \u5173\u95ed\u6d4f\u89c8\u5668<\/p>\n
            driver.quit()<\/p>\n
        return shanghai_index<\/p>\n
    if __name__ == '__main__':<\/p>\n
        shanghai_index = get_shanghai_index()<\/p>\n
        print(f'\u4e0a\u8bc1\u6307\u6570\uff1a{shanghai_index}')<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528WebDriverWait<\/code>\u7b49\u5f85\u4e0a\u8bc1\u6307\u6570\u6570\u636e\u52a0\u8f7d\uff0c\u4ee5\u786e\u4fdd\u83b7\u53d6\u5230\u6b63\u786e\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
    \u5904\u7406\u53cd\u722c\u866b\u673a\u5236<\/h3>\n<\/p>\n
    \u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u53cd\u722c\u866b\u673a\u5236\uff0c\u5982IP\u5c01\u7981\u3001\u9a8c\u8bc1\u7801\u3001JavaScript\u6df7\u6dc6\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5e94\u5bf9\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
    1\u3001\u4f7f\u7528\u4ee3\u7406IP<\/h4>\n<\/p>\n
    \u4f7f\u7528\u4ee3\u7406IP\u53ef\u4ee5\u9690\u85cf\u771f\u5b9eIP\u5730\u5740\uff0c\u907f\u514d\u88ab\u5c01\u7981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528requests\u5e93\u8bbe\u7f6e\u4ee3\u7406IP\uff1a<\/p>\n<\/p>\n
    import requests<\/p>\n
    proxies = {<\/p>\n
        'http': 'http:\/\/your_proxy_ip:your_proxy_port',<\/p>\n
        'https': 'http:\/\/your_proxy_ip:your_proxy_port',<\/p>\n
    }<\/p>\n
    response = requests.get('http:\/\/www.sse.com.cn\/market\/stockdata\/overview\/', proxies=proxies)<\/p>\n
    print(response.text)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    2\u3001\u6a21\u62df\u6d4f\u89c8\u5668\u8bf7\u6c42\u5934<\/h4>\n<\/p>\n
    \u6a21\u62df\u6d4f\u89c8\u5668\u8bf7\u6c42\u5934\u53ef\u4ee5\u4f2a\u88c5\u6210\u771f\u5b9e\u7528\u6237\uff0c\u907f\u514d\u88ab\u8bc6\u522b\u4e3a\u722c\u866b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528requests\u5e93\u8bbe\u7f6e\u8bf7\u6c42\u5934\uff1a<\/p>\n<\/p>\n
    import requests<\/p>\n
    headers = {<\/p>\n
        'User-Agent': 'Mozilla\/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit\/537.36 (KHTML, like Gecko) Chrome\/58.0.3029.110 Safari\/537.3'<\/p>\n
    }<\/p>\n
    response = requests.get('http:\/\/www.sse.com.cn\/market\/stockdata\/overview\/', headers=headers)<\/p>\n
    print(response.text)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    3\u3001\u5904\u7406\u9a8c\u8bc1\u7801<\/h4>\n<\/p>\n
    \u5904\u7406\u9a8c\u8bc1\u7801\u662f\u53cd\u722c\u866b\u673a\u5236\u4e2d\u7684\u4e00\u5927\u96be\u70b9\u3002\u5e38\u89c1\u7684\u65b9\u6cd5\u6709\uff1a\u624b\u52a8\u8f93\u5165\u9a8c\u8bc1\u7801\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u9a8c\u8bc1\u7801\u8bc6\u522b\u670d\u52a1\u7b49\u3002<\/p>\n<\/p>\n
    \u6570\u636e\u5b58\u50a8<\/h3>\n<\/p>\n
    \u5728\u722c\u53d6\u5230\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e\u540e\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5c06\u5176\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\uff0c\u65b9\u4fbf\u540e\u7eed\u7684\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528SQLite\u6570\u636e\u5e93\u5b58\u50a8\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e\uff1a<\/p>\n<\/p>\n
    import sqlite3<\/p>\n
    import requests<\/p>\n
    from bs4 import BeautifulSoup<\/p>\n
    def get_shanghai_index():<\/p>\n
        url = 'http:\/\/www.sse.com.cn\/market\/stockdata\/overview\/'<\/p>\n
        response = requests.get(url)<\/p>\n
        soup = BeautifulSoup(response.text, 'html.parser')<\/p>\n
        # \u67e5\u627e\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e<\/p>\n
        shanghai_index = soup.find('div', {'class': 'index-data'}).get_text()<\/p>\n
        return shanghai_index<\/p>\n
    def store_data(shanghai_index):<\/p>\n
        # \u8fde\u63a5SQLite\u6570\u636e\u5e93<\/p>\n
        conn = sqlite3.connect('stock_data.db')<\/p>\n
        cursor = conn.cursor()<\/p>\n
        # \u521b\u5efa\u8868<\/p>\n
        cursor.execute('''<\/p>\n
            CREATE TABLE IF NOT EXISTS shanghai_index (<\/p>\n
                id INTEGER PRIMARY KEY AUTOINCREMENT,<\/p>\n
                index_value TEXT<\/p>\n
            )<\/p>\n
        ''')<\/p>\n
        # \u63d2\u5165\u6570\u636e<\/p>\n
        cursor.execute('INSERT INTO shanghai_index (index_value) VALUES (?)', (shanghai_index,))<\/p>\n
        # \u63d0\u4ea4\u4e8b\u52a1\u5e76\u5173\u95ed\u8fde\u63a5<\/p>\n
        conn.commit()<\/p>\n
        conn.close()<\/p>\n
    if __name__ == '__main__':<\/p>\n
        shanghai_index = get_shanghai_index()<\/p>\n
        store_data(shanghai_index)<\/p>\n
        print(f'\u4e0a\u8bc1\u6307\u6570\uff1a{shanghai_index}')<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570store_data<\/code>\uff0c\u7528\u4e8e\u5c06\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e\u5b58\u50a8\u5230SQLite\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n<\/p>\n
    \u6570\u636e\u53ef\u89c6\u5316<\/h3>\n<\/p>\n
    \u5728\u83b7\u53d6\u548c\u5b58\u50a8\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e\u540e\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5bf9\u5176\u8fdb\u884c\u53ef\u89c6\u5316\uff0c\u4ee5\u4fbf\u66f4\u76f4\u89c2\u5730\u5206\u6790\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Matplotlib\u5e93\u7ed8\u5236\u4e0a\u8bc1\u6307\u6570\u7684\u6298\u7ebf\u56fe\uff1a<\/p>\n<\/p>\n
    \u5b89\u88c5Matplotlib\u5e93<\/h4>\n<\/p>\n
    \u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5Matplotlib\u5e93\uff1a<\/p>\n<\/p>\n
    pip install matplotlib<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u7ed8\u5236\u6298\u7ebf\u56fe<\/h4>\n<\/p>\n
    \u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528Matplotlib\u5e93\u7ed8\u5236\u4e0a\u8bc1\u6307\u6570\u7684\u6298\u7ebf\u56fe\uff1a<\/p>\n<\/p>\n
    import sqlite3<\/p>\n
    import matplotlib.pyplot as plt<\/p>\n
    def fetch_data():<\/p>\n
        # \u8fde\u63a5SQLite\u6570\u636e\u5e93<\/p>\n
        conn = sqlite3.connect('stock_data.db')<\/p>\n
        cursor = conn.cursor()<\/p>\n
        # \u67e5\u8be2\u6570\u636e<\/p>\n
        cursor.execute('SELECT index_value FROM shanghai_index')<\/p>\n
        data = cursor.fetchall()<\/p>\n
        # \u5173\u95ed\u8fde\u63a5<\/p>\n
        conn.close()<\/p>\n
        return [float(item[0]) for item in data]<\/p>\n
    def plot_data(data):<\/p>\n
        plt.plot(data)<\/p>\n
        plt.xlabel('Time')<\/p>\n
        plt.ylabel('Shanghai Index')<\/p>\n
        plt.title('Shanghai Index Over Time')<\/p>\n
        plt.show()<\/p>\n
    if __name__ == '__main__':<\/p>\n
        data = fetch_data()<\/p>\n
        plot_data(data)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570fetch_data<\/code>\uff0c\u7528\u4e8e\u4eceSQLite\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u4e0a\u8bc1\u6307\u6570\u7684\u6570\u636e\uff0c\u5e76\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570plot_data<\/code>\uff0c\u7528\u4e8e\u7ed8\u5236\u4e0a\u8bc1\u6307\u6570\u7684\u6298\u7ebf\u56fe\u3002<\/p>\n<\/p>\n
    \u603b\u7ed3<\/h3>\n<\/p>\n
    \u672c\u6587\u4ecb\u7ecd\u4e86\u4f7f\u7528Python\u722c\u53d6\u4e0a\u8bc1\u6307\u6570\u7684\u51e0\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528requests\u5e93\u3001\u4f7f\u7528BeautifulSoup\u5e93\u8fdb\u884c\u89e3\u6790\u3001\u4f7f\u7528Selenium\u6a21\u62df\u6d4f\u89c8\u5668\u64cd\u4f5c\u7b49\u3002\u8fd8\u4ecb\u7ecd\u4e86\u5982\u4f55\u5904\u7406\u53cd\u722c\u866b\u673a\u5236\u3001\u5982\u4f55\u5b58\u50a8\u6570\u636e\u4ee5\u53ca\u5982\u4f55\u8fdb\u884c\u6570\u636e\u53ef\u89c6\u5316\u3002\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u7075\u6d3b\u5e94\u5bf9\u5404\u79cd\u722c\u866b\u9700\u6c42\uff0c\u5e76\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u9009\u62e9\u5408\u9002\u7684Python\u5e93\u6765\u722c\u53d6\u4e0a\u8bc1\u6307\u6570\u6570\u636e\uff1f<\/strong>
    \u5728\u722c\u53d6\u4e0a\u8bc1\u6307\u6570\u6570\u636e\u65f6\uff0c\u63a8\u8350\u4f7f\u7528\u5982requests<\/code>\u548cBeautifulSoup<\/code>\u8fd9\u6837\u7684\u5e93\u3002requests<\/code>\u53ef\u4ee5\u5e2e\u52a9\u4f60\u53d1\u9001HTTP\u8bf7\u6c42\u5e76\u83b7\u53d6\u7f51\u9875\u5185\u5bb9\uff0c\u800cBeautifulSoup<\/code>\u5219\u53ef\u7528\u4e8e\u89e3\u6790\u548c\u63d0\u53d6\u6240\u9700\u7684\u6570\u636e\u7ed3\u6784\u3002\u6b64\u5916\uff0cpandas<\/code>\u5e93\u4e5f\u975e\u5e38\u5b9e\u7528\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5c06\u722c\u53d6\u7684\u6570\u636e\u6574\u7406\u6210DataFrame\u683c\u5f0f\uff0c\u4fbf\u4e8e\u540e\u7eed\u7684\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n
    \u722c\u53d6\u4e0a\u8bc1\u6307\u6570\u65f6\u9700\u8981\u6ce8\u610f\u54ea\u4e9b\u6cd5\u5f8b\u548c\u9053\u5fb7\u95ee\u9898\uff1f<\/strong>
    \u5728\u8fdb\u884c\u7f51\u7edc\u722c\u866b\u65f6\uff0c\u9075\u5faa\u6cd5\u5f8b\u6cd5\u89c4\u548c\u7f51\u7ad9\u7684\u4f7f\u7528\u6761\u6b3e\u81f3\u5173\u91cd\u8981\u3002\u786e\u4fdd\u4e0d\u8fdd\u53cdrobots.txt\u6587\u4ef6\u4e2d\u7684\u722c\u53d6\u89c4\u5219\uff0c\u907f\u514d\u5bf9\u76ee\u6807\u7f51\u7ad9\u9020\u6210\u8fc7\u5927\u7684\u8d1f\u62c5\u3002\u540c\u65f6\uff0c\u5408\u7406\u63a7\u5236\u722c\u53d6\u9891\u7387\uff0c\u907f\u514d\u77ed\u65f6\u95f4\u5185\u53d1\u9001\u5927\u91cf\u8bf7\u6c42\uff0c\u4ee5\u514d\u88ab\u89c6\u4e3a\u6076\u610f\u722c\u866b\u3002<\/p>\n
    \u5982\u4f55\u5904\u7406\u722c\u53d6\u5230\u7684\u4e0a\u8bc1\u6307\u6570\u6570\u636e\u4ee5\u4fbf\u8fdb\u884c\u5206\u6790\uff1f<\/strong>
    \u83b7\u53d6\u5230\u7684\u4e0a\u8bc1\u6307\u6570\u6570\u636e\u901a\u5e38\u9700\u8981\u8fdb\u884c\u6e05\u6d17\u548c\u683c\u5f0f\u5316\u3002\u53ef\u4ee5\u4f7f\u7528pandas<\/code>\u5e93\u8fdb\u884c\u6570\u636e\u5904\u7406\uff0c\u6bd4\u5982\u53bb\u9664\u91cd\u590d\u503c\u3001\u586b\u8865\u7f3a\u5931\u503c\u4ee5\u53ca\u8f6c\u6362\u6570\u636e\u7c7b\u578b\u7b49\u3002\u5c06\u6570\u636e\u6574\u7406\u6210\u9002\u5408\u5206\u6790\u7684\u683c\u5f0f\u540e\uff0c\u53ef\u4ee5\u8fdb\u884c\u53ef\u89c6\u5316\u5c55\u793a\uff0c\u4f7f\u7528matplotlib<\/code>\u6216seaborn<\/code>\u7b49\u5e93\u751f\u6210\u56fe\u8868\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u548c\u5206\u6790\u5e02\u573a\u8d70\u52bf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4e00\u3001\u4f7f\u7528Python\u722c\u53d6\u4e0a\u8bc1\u6307\u6570\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528requests\u5e93\u3001\u4f7f\u7528BeautifulSoup\u5e93\u8fdb\u884c\u89e3\u6790\u3001\u4f7f […]","protected":false},"author":3,"featured_media":1087154,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1087143"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1087143"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1087143\/revisions"}],"predecessor-version":[{"id":1087157,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1087143\/revisions\/1087157"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1087154"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1087143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1087143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1087143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}