创建WTF表单和Flask,在计算后返回值的步骤如下:
from flask import Flask, render_template, request
from flask_wtf import FlaskForm
from wtforms import StringField, SubmitField
app = Flask(__name__)
app.config['SECRET_KEY'] = 'your_secret_key'
class MyForm(FlaskForm):
name = StringField('Name')
submit = SubmitField('Submit')
@app.route('/', methods=['GET', 'POST'])
def index():
form = MyForm()
if form.validate_on_submit():
name = form.name.data
# 在这里进行计算逻辑
result = calculate(name)
return render_template('result.html', result=result)
return render_template('form.html', form=form)
<!DOCTYPE html>
<html>
<head>
<title>WTF Form</title>
</head>
<body>
<h1>WTF Form</h1>
<form method="POST" action="/">
{{ form.csrf_token }}
{{ form.name.label }} {{ form.name }}
{{ form.submit }}
</form>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title>Result</title>
</head>
<body>
<h1>Result</h1>
<p>{{ result }}</p>
</body>
</html>
以上是创建WTF表单和Flask应用程序的基本步骤。在表单提交后,Flask会调用相应的路由处理函数,获取表单数据并进行计算逻辑,然后将计算结果传递给结果模板进行展示。
关于WTF表单和Flask的更详细信息,可以参考腾讯云的相关文档和产品介绍:
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