更新

2023-06-20 09:22:53 +08:00
commit bf2ed2e31f
621 changed files with 271599 additions and 0 deletions
--- a/Python-100-Days/Day66-75/code/example02.py
+++ b/Python-100-Days/Day66-75/code/example02.py
@@ -0,0 +1,71 @@
+from bs4 import BeautifulSoup
+
+import re
+
+
+def main():
+    html = """
+    <!DOCTYPE html>
+    <html lang="en">
+        <head>
+            <meta charset="UTF-8">
+            <title>首页</title>
+        </head>
+        <body>
+            <h1>Hello, world!</h1>
+            <p>这是一个<em>神奇</em>的网站！</p>
+            <hr>
+            <div>
+                <h2>这是一个例子程序</h2>
+                <p>静夜思</p>
+                <p class="foo">床前明月光</p>
+                <p id="bar">疑似地上霜</p>
+                <p class="foo">举头望明月</p>
+                <div><a href="http://www.baidu.com"><p>低头思故乡</p></a></div>
+            </div>
+            <a class="foo" href="http://www.qq.com">腾讯网</a>
+            <img src="./img/pretty-girl.png" alt="美女">
+            <img src="./img/hellokitty.png" alt="凯蒂猫">
+            <img src="/static/img/pretty-girl.png" alt="美女">
+            <table>
+                <tr>
+                    <th>姓名</th>
+                    <th>上场时间</th>
+                    <th>得分</th>
+                    <th>篮板</th>
+                    <th>助攻</th>
+                </tr>
+            </table>
+        </body>
+    </html>
+    """
+    soup = BeautifulSoup(html, 'lxml')
+    # JavaScript - document.title
+    print(soup.title)
+    # JavaScript - document.body.h1
+    print(soup.body.h1)
+    print(soup.p)
+    print(soup.body.p.text)
+    print(soup.body.p.contents)
+    for p_child in soup.body.p.children:
+        print(p_child)
+    print(len([elem for elem in soup.body.children]))
+    print(len([elem for elem in soup.body.descendants]))
+    print(soup.findAll(re.compile(r'^h[1-6]')))
+    print(soup.body.find_all(r'^h'))
+    print(soup.body.div.find_all(re.compile(r'^h')))
+    print(soup.find_all(re.compile(r'r$')))
+    print(soup.find_all('img', {'src': re.compile(r'\./img/\w+.png')}))
+    print(soup.find_all(lambda x: len(x.attrs) == 2))
+    print(soup.find_all(foo))
+    print(soup.find_all('p', {'class': 'foo'}))
+    for elem in soup.select('a[href]'):
+        print(elem.attrs['href'])
+
+
+def foo(elem):
+    return len(elem.attrs) == 2
+
+
+if __name__ == '__main__':
+    main()