-from flask import Flask

 +from flask import Flask,render_template

 -from flask import request

 -from flask import make_response

 -from flask import abort

 -from flask import redirect

 -# __name__参数决定程序的根目录

  app = Flask (__name__)

 -# @app.route ('/')

 -# def hello_world():

 -#     return 'Hello World!'

 +@app.route ('/<name>')

 +def index(name):

 +    return render_template('index.html',name=name)

 -# @app.route ('/user/<name>') #

 -# def user(name):

 -#     return '<h1>Hello,%s!</h1>'% name

 -#

 -# @app.route ('/user/<int:id>') # 还可以类型定义/user/<int:id> float path类型

 -# def user_id(id):

 -#     return '<h1>Hello,%s!</h1>'% id

 +@app.route ('/user/<name>')

 +def user(name):

 +    return render_template('user.html',name=name)

 -# @app.route ('/') # 请求上下文

 -# def index():

 -#     user_agent = request.headers.get('User-Agent')

 -#     return 'your browser is %s' % user_agent

 -

 -# @app.route ('/') # 请求响应,可接受第二个参数为状态码

 -# def index():

 -#     return 'bad request',400

 -

 -# @app.route ('/')

 -# def hello_world():

 -#     response =make_response('这个文档带着COOKIE!')

 -#     response.set_cookie('answer','42')

 -#     return response

 -

 -# @app.route ('/')

 -# def hello_world():

 -#     return redirect('http://www.baidu.com')

 -@app.route ('/user/<id>')

 -def hello_world(id):

 -    #user = load_user(id)

 -    user = False

 -    if not user:

 -        abort(404)

 -    return 'hello %s' % user

 -

 -from flask.ext.script import Manager # 通过pip install flask-script 启用manager 启动后解析命令行

　　from flask_script import Manager

 -manager = Manager(app)

  if __name__ == '__main__':

 -    manager.run ()

 -

 -# if __name__ == '__main__':

 -#     app.run (debug=True)

 +    app.run (debug=True)