[英]python flask bucketlist app
我正在尝试通过教程构建python flask Web应用程序,但无法实现signUp方法。 教程: http : //code.tutsplus.com/tutorials/creating-a-web-app-from-scratch-using-python-flask-and-mysql--cms-22972
按下“注册”按钮时出现500错误:_name = Request.form ['inputName'] TypeError:'cached_property'对象没有属性' getitem '
不知道为什么会收到500错误。 任何帮助,将不胜感激。 谢谢
以下是我的python代码:
from flask import Flask, render_template, json, Request
app = Flask(__name__)
@app.route('/main')
def main():
return render_template('index.html')
@app.route('/showSignUp')
def showSignUp():
return render_template('signup.html')
@app.route('/signUp',methods=['POST'])
def signUp():
_name = Request.form['inputName']
_email = Request.form['inputEmail']
_password = Request.form['inputPassword']
if _name and _email and _password:
return json.dumps({'html':'<span>All fields good !!</span>'})
else:
return json.dumps({'html:':'<span>Enter the required fields</span>'})
if __name__ == "__main__":
app.run(debug=True)
这是javascript ajax代码:
$(function () {
$('#btnSignUp').click(function () {
$.ajax({
url: '/signUp',
data: $('form').serialize(),
type: 'POST',
success: function(response) {
console.log(response);
},
error: function(error) {
console.log(error);
}
});
});
});
这是signup.html
<!DOCTYPE html>
<html lang="en">
<head>
<title>Python Flask Bucket List App</title>
<link href="http://getbootstrap.com/dist/css/bootstrap.min.css" rel="stylesheet" />
<link href="http://getbootstrap.com/examples/jumbotron-narrow/jumbotron-narrow.css" rel="stylesheet" />
<link href="../static/signup.css" rel="stylesheet" />
<script src="../static/js/jquery-3.1.0.js"></script>
<script src="../static/js/signUp.js"></script>
</head>
<body>
<div class="container">
<div class="header">
<nav>
<ul class="nav nav-pills pulls-right">
<li role="presentation"><a href="main">Home</a></li>
<li role="presentation"><a href="#">Sign In</a></li>
<li role="presentation" class="active"><a href="#">Sign Up</a></li>
</ul>
</nav>
<h3 class="text-muted">Python Flask App</h3>
</div>
<div class="jumbotron">
<h1>Bucket List App</h1>
<form class="form-signin">
<label for="inputName" class="sr-only">Name</label>
<input type="name" name="inputName" id="inputName" class="form-control" placeholder="Name" required autofocus />
<label for="inputEmail" class="sr-only">Email address</label>
<input type="email" name="inputEmail" id="inputEmail" class="form-control" placeholder="Email address" required autofocus />
<label for="inputPassword" class="sr-only">Password</label>
<input type="password" name="inputPassword" id="inputPassword" class="form-control" placeholder="Password" required />
<button id="btnSignUp" class="btn btn-lg btn-primary btn-block" type="button">Sign up</button>
</form>
</div>
<footer class="footer">
<p>© Company 2016</p>
</footer>
</div>
</body>
</html>
当我最近实现相同的问题时,我也遇到了相同的问题。
如下更改您的app.py中的注册代码,包括导入。
from flask import Flask, render_template, json, request
def signUp():
_name = request.form['inputName']
_email = request.form['inputEmail']
_password = request.form['inputPassword']
注意:应为request
而非Request
Request
是Flask用来表示传入请求的类;
但是,它不是请求本身。
相反,Flask将当前请求(它是Request
类的实例)存储在request
变量中。
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