{
  "users": [
    { "name": "张三", "age": "25" },
    { "name": "李四", "age": "30" }
  ]
}

<table id="userTable">
  <tr><th>姓名</th><th>年龄</th></tr>
  <tr><td>张三</td><td>25</td></tr>
  <tr><td>李四</td><td>30</td></tr>
</table>

function tableToJSON() {
  const table = document.getElementById("userTable");
  const rows = table.querySelectorAll("tr");
  const result = [];
<p>for (let i = 1; i < rows.length; i++) { // 跳过表头
const cells = rows[i].querySelectorAll("td");
const obj = {
name: cells[0].textContent.trim(),
age: cells[1].textContent.trim()
};
result.push(obj);
}</p><p>return JSON.stringify({ users: result }, null, 2);
}</p><p>console.log(tableToJSON());

pip install beautifulsoup4

from bs4 import BeautifulSoup
import json
<p>html_content = """
<table>
<tr><th>姓名</th><th>年龄</th></tr>
<tr><td>张三</td><td>25</td></tr>
<tr><td>李四</td><td>30</td></tr>
</table>
"""</p><p>soup = BeautifulSoup(html_content, 'html.parser')
rows = soup.find_all('tr')[1:]  # 跳过表头
data = []</p><p>for row in rows:
cells = row.find_all('td')
if len(cells) == 2:
data.append({
'name': cells[0].get_text(strip=True),
'age': cells[1].get_text(strip=True)
})</p><p>json_output = json.dumps({'users': data}, ensure_ascii=False, indent=2)
print(json_output)