页面跳转和重定向

# !/usr/bin/env python
# -*- coding: utf-8 -*-
from flask import *
app = Flask(__name__)
@app.route('/')
def index():
   return redirect('/login/')
def index():
   return u'这是首页11111'
@app.route('/login/')
def logindo():
    return u'这是登陆页面2222'
if __name__ == '__main__':
   app.run(host='127.0.0.1',port=6001,debug=True)

http://127.0.0.1:6001/login/


# !/usr/bin/env python
# -*- coding: utf-8 -*-
from flask import *
app = Flask(__name__)
@app.route('/')
def index():
   return redirect('/login/')
def index():
    login_url=url_for('logindo')
    return redirect(login_url)
    return u'这是首页11111'
@app.route('/login/')
def logindo():
    return u'这是登陆页面2222'
if __name__ == '__main__':
   app.run(host='127.0.0.1',port=6001,debug=True)



# !/usr/bin/env python
# -*- coding: utf-8 -*-
from flask import *
app = Flask(__name__)
@app.route('/')
def index():
    login_url=url_for('logindo')
    return redirect(login_url)
    return u'这是首页11111'
@app.route('/login/')
def logindo():
    return u'这是登陆页面2222'
@app.route('/question/<is_login>/')
def question(is_login):
    if is_login=='1':
        return u'这是发布问答页面'
    else:
         return redirect('/login')

if __name__ == '__main__':
   app.run(host='127.0.0.1',port=6001,debug=True)



# !/usr/bin/env python
# -*- coding: utf-8 -*-
from flask import *
app = Flask(__name__)
@app.route('/')
def index():
    login_url=url_for('logindo')
    return redirect(login_url)
    return u'这是首页11111'
@app.route('/login/')
def logindo():
    return u'这是登陆页面2222'
@app.route('/question/<is_login>/')
def question(is_login):
    if is_login=='1':
        return u'这是发布问答页面'
    else:
         return redirect(url_for('logindo'))

if __name__ == '__main__':
   app.run(host='127.0.0.1',port=6001,debug=True)


如果没有登录,重定向到登录页面: