我试图在Flask中的窗体上设置整型字段验证,但一直得到“Method Not Allowed”。我看不出我的路线有什么问题?你知道吗
我的主要文件是:
from flask import Flask, render_template
from flask_wtf import FlaskForm
from wtforms import IntegerField
# from perfect_numbers import classify
app = Flask(__name__)
app.config['SECRET_KEY'] = 'MySecretKey'
# num = 12
# Classify = classify(num)
class PerfectForm(FlaskForm):
number = IntegerField(4)
@app.route('/', methods=['POST'])
def form():
form = PerfectForm()
return render_template('index.html', form = form)
if __name__ == '__main__':
app.run(debug=True)
那我有个标准布局.html文件:
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>PERFECT App</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script>
</head>
<body>
{% block body %}{% endblock %}
</body>
</html>
还有我的索引.html是:
{% extends 'layout.html' %}
{% block body %}
<h1>PERFECT NUMBERS</h1>
<p>This is a basic Flask App to illustrate Aliquot Sums and Perfect Numbers</p>
<p>Input a number to check if it is abundant, perfect, or deficient</p>
<form action="{{ url_for('/') }}" method="POST">
{{ form.csrf_token }}
{{ form.number }}
</form>
<!-- {{ num }} is {{ classify }} -->
{% endblock %}
首先,将
app.route()
签名改为你必须填写表格并提交,你的应用程序才能收到
POST
请求。当您第一次在浏览器上加载页面时,从技术上讲,您向flask发送一个GET
请求,然后它返回页面。你知道吗要单独处理
POST
请求,请执行以下操作:相关问题 更多 >
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