from s7day140 import settings
import importlib
"""
配置文件中：
MSG_LIST = ["utils.message.email.Email","utils.message.msg.Msg","utils.message.wechat.WeChat",
]
"""
def send_msgs(msg):for path in settings.MSG_LIST:# m就是路径，c就是类名m,c = path.rsplit('.',maxsplit=1)# md就是路径对应的py文件(模块)md = importlib.import_module(m)# getattr就拿到了模块中类，然后就可以实例对象了obj = getattr(md,c)()obj.send(msg)

from flask import Flask,flash,get_flashed_messages,request,redirect
from werkzeug.datastructures import ImmutableMultiDict
app = Flask(__name__)
app.secret_key = 'asdfasdf'@app.route('/index')
def index():val = request.args.get('v')if val == 'oldboy':return 'Hello World!'# 向某个地方设置一个值,category参数是分类的意思flash('超时错误',category="x1")return "ssdsdsdfsd"# return redirect('/error')
@app.route('/error')
def error():"""展示错误信息:return:"""# 从某个地方获取设置过的所有值，并指定分类，并清除。data = get_flashed_messages(category_filter=['x1'])if data:msg = data[0]else:msg = "..."return "错误信息：%s" %(msg,)if __name__ == '__main__':app.run()

from flask import Flask,render_template,request,redirect,session,url_for
app = Flask(__name__)
app.debug = True
app.secret_key = 'siuljskdjfs'......

@app.route('/index',methods=['GET'])def index():    print('index函数')    return "Index"

if __name__ == '__main__': app.run()

@app.before_request
def process_request1(*args,**kwargs):print('process_request1 进来了')

@app.after_request
def process_response1(response):print('process_response1 走了')return response

@app.before_first_request
def first(*args,**kwargs):pass

# 404是状态码，当状态码为404时就会调用这个方法
# 可以用来定制一些错误显示页面和信息
@app.errorhandler(404)
# 必须传一个参数
def error_404(arg):print(arg)# 这个参数的打印结果就是下面的内容，也就是错误的提示信息# 404 Not Found: The requested URL was not found on the server.  If you entered the URL manually please check your# spelling and try again.return "404错误了"

@app.template_global()
def sb(a1, a2):return a1 + a2

{{sb(1,2)}}

@app.template_filter()
def db(a1, a2, a3):return a1 + a2 + a3

# 1代表第一个参数，2和3是第二和第三个参数
{{ 1|db(2,3)}}

from flask import Flaskapp = Flask(__name__)@app.route('/')
def index():return 'Hello World!'class Md(object):def __init__(self,old_wsgi_app):self.old_wsgi_app = old_wsgi_appdef __call__(self,  environ, start_response):print('开始之前')ret = self.old_wsgi_app(environ, start_response)print('结束之后')return retif __name__ == '__main__':app.wsgi_app = Md(app.wsgi_app)app.run()

#!/usr/bin/env python
# -*- coding:utf-8 -*-
from flask import Flask# 参数
# template_folder指定模版文件目录
# static_folder指定静态文件目录
# static_url_path指的是静态文件的请求url，意思就是必须往这个url发请求
# flask才会去指定的静态文件目录中查找
app = Flask(__name__,template_folder='templates',static_folder='statics',static_url_path='/static')from .views.account import account
from .views.blog import blog
from .views.user import user# 将所有的蓝图对象都注册到app对象中
app.register_blueprint(account)
app.register_blueprint(blog)
app.register_blueprint(user)

#!/usr/bin/env python
# -*- coding:utf-8 -*-
from flask import Blueprint
from flask import render_template
from flask import request# 实例化蓝图对象
# 也可以指定当前文件的模版文件目录，这个目录别的py文件是无法使用的
account = Blueprint('account', __name__,template_folder='mytemplates')# 建立路由映射关系，只对当前文件有效
@account.route('/login', methods=['GET', "POST"])
def login():return render_template('login.html')

from pro_flaskk import app
# 引入init文件中的app对象if __name__ == '__main__':app.run()