URL 视图正转和反转

# !/usr/bin/env python#encoding:utf8#从flask这个框架中导入Flask这个类from flask import *import config#初始化一个Flask对象,需要传递一个参数__name__app = Flask(__name__)app.config.from_object(config)##@app.route 是一个装饰器,在函数上面##装饰器作用,是做一个URL与视图函数的映射#127.0.0.1:9001/ 去执行hello_world()函数@app.route('/')def hello_world():    print url_for('my_list')    print url_for('article',id='abc')    return "my first py"@app.route('/article/<id>')def aavb(id):    return u"xxx您请求的ID为"[e-mail]('/list/')def my_list():    return 'list'@app.route('/article/<id>/')def article(id):    return u'你请求的id'+id##当前这个文件作为主程序运行,就会执行这段##作为模块就不会if __name__ == '__main__':   app.run()C:\Python27\python.exe C:/Users/TLCB/PycharmProjects/untitled/mycompany/flask/url_parameters.py * Restarting with stat * Debugger is active! * Debugger PIN: 264-128-115 * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)127.0.0.1 - - [04/Sep/2017 07:59:30] "GET / HTTP/1.1" 200 -/list//article/abc/从视图函数反转得到URL可以用于重定向:flask 重定向:from flask import *app = Flask(__name__)@app.route('/')def index():    return redirect(url_for('login')) ##调用视图函数@app.route('/login')def login():        return render_template('login.html')if __name__ == '__main__':   app.run(host='0.0.0.0',port=6001,debug=True)