提交注册表单时,你正在使用POST。由于你使用的是POST,因此会将表单值添加到request.form
,而不是request.args
。
你的电子邮件地址将位于:
request.form.get('email')
如果你访问的是URL /characters?email=someemail@test.com
,并且不是立即使用以下方法呈现模板:
if request.method == 'GET':
return render_template('character.html')
在角色视图中,只有这样,你才能访问:
request.args.get('email')
查看werkzeug请求/响应文档以获取更多信息。
app.py
from flask import request, Flask, render_template, redirect, url_for
app = Flask(__name__)
app.debug = True
@app.route('/signup', methods=['GET','POST'])
def signup():
if request.method == 'GET':
return render_template('signup.html')
email = request.form['email']
return redirect(url_for('character', email=email))
@app.route('/character', methods=['POST', 'GET'])
def character():
email_from_form = request.form.get('email')
email_from_args = request.args.get('email')
return render_template('character.html',
email_from_form=email_from_form,
email_from_args=email_from_args)
if __name__ == '__main__':
app.run()
templates / signup.html
<html>
Email from form: {{ email_from_form }} <br>
Email from args: {{ email_from_args }}
</html>
templates / character.html
<html>
<form name="test" action="/character" method="post">
<label>Email</label>
<input type="text" name="email" value="test@email.com" />
<input type="submit" />
</form>
</html>
提交登录表单(通过POST)将被填充 Email from form
到达网址http://localhost:5000/character?email=test@email.com(通过GET)将被填充Email from args