将HTML实体转换为Unicode

function decodeHtmlEntities(encodedString) {
  const textArea = document.createElement("textarea");
  textArea.innerHTML = encodedString;
  return textArea.value;
}

const encodedString = "<p>Hello, World!</p>";
const decodedString = decodeHtmlEntities(encodedString);
console.log(decodedString); // 输出 "<p>Hello, World!</p>"

import html

encoded_string = "<p>Hello, World!</p>"
decoded_string = html.unescape(encoded_string)
print(decoded_string)  # 输出 "<p>Hello, World!</p>"

SELECT UNHEX(HEX('<p>Hello, World!</p>')) AS decoded_string;

echo "&lt;p&gt;Hello, World!&lt;/p&gt;" | sed 's/&amp;/\&/g; s/&lt;/</g; s/&gt;/>/g; s/&quot;/"/g; s/&apos;/\'/g'

import json
import html

def main_handler(event, context):
    encoded_string = event['encoded_string']
    decoded_string = html.unescape(encoded_string)
    return {
        'decoded_string': decoded_string
    }