本文介绍了Flask应用搜索栏的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在尝试使用Flask实现搜索栏,但是当我输入url/search时,出现405错误,不允许使用方法.
I am trying to implement a search bar using Flask, but when I enter the url/search, I got a 405 error, Method Not Allowed.
这是我的代码的摘要.任何帮助将不胜感激!
Here is a snippet of my code. Any help would be appreciated!
forms.py
from wtforms import StringField
from wtforms.validators import DataRequired
class SearchForm(Form):
search = StringField('search', [DataRequired()])
submit = SubmitField('Search',
render_kw={'class': 'btn btn-success btn-block'})
views.py
from flask_login import login_required
from forms import SearchForm
from models import User
@app.route('/')
def index():
if current_user.is_authenticated:
return redirect(url_for('profile'))
return render_template('index.html')
@app.route('/profile', methods=['GET', 'POST'])
@login_required
def profile():
# some code to display user profile page
@app.route('/search', methods=['POST'])
@login_required
def search():
form = SearchForm()
if not form.validate_on_submit():
return redirect(url_for('index'))
return redirect((url_for('search_results', query=form.search.data)))
@app.route('/search_results/<query>')
@login_required
def search_results(query):
results = User.query.whoosh_search(query).all()
return render_template('search_results.html', query=query, results=results)
models.py
from flask_sqlalchemy import SQLAlchemy
from flask_whooshalchemy import whoosh_index
from app import app
db = SQLAlchemy()
class User(db.model):
__searchable__ = ['name']
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String(64))
whoosh_index(app, User)
search.html
{% extends 'layouts/base.html' %}
{% set page_title = 'Search' %}
{% block body %}
<div>
{{ render_form(url_for('search'), form) }} # note: render_form is some marco from another .html file
</div>
{% endblock %}
推荐答案
因为使用GET
方法手动加载页面时,但是search
控制器只允许使用POST
.您需要更改
Because when you load page manually you using GET
method, but only POST
is allowed for search
controller. You need to change
@app.route('/search', methods=['POST'])
到
@app.route('/search', methods=['GET', 'POST'])
更新
因此,基本上,最好更改您的search
控制器.因为它没有使用 search.html 并且工作错误.
So basically it's better to change your search
controller. Because it's not using search.html and works wrong.
@app.route('/search', methods=['GET', 'POST'])
@login_required
def search():
form = SearchForm()
if request.method == 'POST' and form.validate_on_submit():
return redirect((url_for('search_results', query=form.search.data))) # or what you want
return render_template('search.html', form=form)
如 PEP-8
这篇关于Flask应用搜索栏的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持!