flask回顾

pip install flask

from flask import Flask

app = Flask(__name__)

# 命令行启动，用manager，访问会变的非常慢

pip install flask_script

from flask_script import Manager

manager = Manager(app)

# 数据库迁移

pip install flask_migrate

from flask_migrate import Migrate,MigrateCommand

migrate = Migrate(app,db)    # db是SQLAlchemy()对象

manager.add_command(“db”,MigrateCommand)

__init__.py

from flask improt Blueprint

index_blu = Blueprint(“index”,__name__)

from . import view

view.py

from . import index_blu

@index_blu.route(“/”)

def index():

return “hello”    # {“msg”:1},jsonify(),redirct(“/news”),redirect(url_for(“index”)),render_template(“news/1.html”,data=data),make_response()

if __name__ == “__main__”:

manager.run(debug=True,host=”127.0.0.1:5000”)