{% extends "layout.html" %} {% block body %} <form action="{{ url_for('update_entry', id=entry.id) }}" method="post"> <label for="title">タイトル</label> <input type="text" id="title" name=title value={{ entry.title }}> <label for="text">本文</label> <textarea id="text" name=text rows="3">{{ entry.text | safe }}</textarea> <button type="submit">更新</button> </form> {% endblock %}