<label for="password">密码：</label>
<input type="password" id="password" name="password">

<label for="confirm-password">确认密码：</label>
<input type="password" id="confirm-password" name="confirm-password">

from flask import Flask, request

app = Flask(__name__)

@app.route('/submit', methods=['POST'])
def submit_form():
    password = request.form.get('password')
    confirm_password = request.form.get('confirm-password')

    if password == confirm_password:
        # 密码匹配，执行相关操作
        return "密码设置成功！"
    else:
        # 密码不匹配，返回错误信息
        return "密码不匹配，请重新输入！"

if __name__ == '__main__':
    app.run()