Hello,This is Index Page!

@app.route('/login',methods=('GET','POST'))
def login():
if request.method == 'POST':
session['username'] = request.json.get('username')
session['password'] = request.json.get('password')

登录成功，则跳转到index页面

return jsonify({'code': 200,'token': "123456"})

登录失败，跳转到当前登录页面

return render_template('login.html')

@app.route('/index')
def index():

如果用户名和密码都存在，则跳转到index页面，登录成功

if 'username' in session and 'password' in session:
return render_template('index.html')

否则，跳转到login页面

return redirect(url_for('login'))

@app.route('/logout')
def logout():
session.pop('username',None)
session.pop('password',None)
return redirect(url_for('login'))

set the secret key. keep this really secret:

app.secret_key = 'A0Zr98j/3yX R~XHH!jmN]LWX/,?RT'

if name == 'main':
app.run(debug=True)