<!DOCTYPE html>
<html>
<body>
<form action="/result",method="post">
<input type="text" name="seed" id="seed" value="随机数字"></input>
<button id="button">提交</button>
<form>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title>Flask Image</title>
</head>
<body>
<img src="{{ url_for('static', filename='images/' + image_name) }}" alt="Dynamic Image">
</body>
</html>
